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Salt in soil may affect plant growth dependent variable brainly

Plant soil - Regulation of Plant Growt

Salt in soil may affect plant growth Independent variable

Salt in soil may affect plant growth. What is the independent and dependent variable? Answer Save. There are no answers yet. Be the first to answer this question. Answer this question + 100. Join Yahoo Answers and get 100 points today. Join. Trending Questions. Trending Questions Responding variable refers to the dependent variable. In the experimental set up given in the question, the plant growth is the dependent variable because its value depend on the amount of sunlight exposure it receives. The independent variable is the sunlight

What are the dependent and independent variables of these sentences? Chocolate may cause pimples. Salt in soil may affect the plant growth underline the dependent variable and double underline the independent variable in the If clause of each hypothesis. 1. Chocolate may cause pimples. 2. Salt in soil may affect plant growth. 3. Plant growth may be affected by the color of the light. 4. Bacterial growth may be affected by temperature

addition of large amounts of salt to soil in which plants

Salt in soil may affect plant growth. Plant growth may be affected by the color of the light. Bacterial growth may be affected by temperature. Ultraviolet light may cause skin cancer Sample hypothesis: The more salt added to the water, the fewer seeds will germinate. The radish seeds will not germinate at all in a solution with more than 3 teaspoons of salt in 8 oz. of water. When soil has too much salt, crops won't grow well. This experiment studies how salt affects seed germination The displacement of other mineral nutrients by sodium ions can also affect soil quality. Compaction can increase while drainage and aeration decrease, generally resulting in reduced plant growth. Damage from salt in the soil can be delayed, with plant symptoms not appearing until summer or even years later Salt in soil may affect plant growth. Rewritten hypothesis: If salt is added to the soil, then the growth of the plant will be affected because salt prevents the plant from absorbing the water Rewrite the following hypothesis as an If thenbecause statement. • What is the dependent variable salt in soil is the v.i and plant growth is the v.d what is the independent and dependent variable for: plant growth may be affected by the color of the light. plant growth is the v.d and color of the light is the v.

2. Salt in soil may affect plant growth. • Independent variable: • Dependent variable: 3. Plant growth may be affected by the color of the light. • Independent variable: • Dependent variable: 4. Bacterial growth may be affected by temperature. • Independent variable: • Dependent variable: 5. Ultraviolet light may cause skin cancer An increased concentration of salt in soil inhibits plant growth, eventually leading to plant death, and high salinity in soil is a major issue facing the agriculture industry

but is instead extremely variable. Not only is it influenced by many factors, such as kind of soil, kind of salt, and kind of plant, but the same crop plant shows marked differences in tolerance at different periods of its growth. These facts make the problem of dealing efficiently with the reclamation of alkali land a very complex one. 1. Introduction. Abiotic stress limits crop productivity [], and plays a major role in determining the distribution of plant species across different types of environments.Abiotic stress and its effects on plants in both natural and agricultural settings is a topic that is receiving increasing attention because of the potential impacts of climate change on rainfall patterns and temperature.

Salt in soil may affects plant growth by wendy coron

  1. Salt in soil may affect plant growth. Plant growth may be affected by the color of the light. Bacterial growth may be affected by temperature. Ultra violet light may cause skin cancer. Temperature may cause leaves to change color. All of these are examples of hypotheses because they use the tentative word may
  2. ated by active sodium exert detrimental effect on plants in four ways: (1) High concentration of sodium carbonate and bicarbonate leads to cell collapse due to passage of water from cell into concentrated soil solution
  3. How does salt in the environment affect plant growth? Hypothesis: _____ 2. Place soil and about 30 fast plant seed in the upper chamber. Allow to grow about 4 days colors and being sure to put your dependent and independent variables in the correct places. Do not forget to label and title your graphs
  4. Accumulation of soluble salts can occur in soils to levels that can adversely affect crop growth and yield. Salt-affected soils mostly exist under arid and semiarid regions
  5. The data regarding the effect of salinity (0, 50, 100 and 150 mM) and salicylic acid (SA) treatments (0 and 0.5 mM) on Adet and Merawi cultivars with reference to various growth attributes are given in Table 1.Salt stress markedly suppressed plant growth in a dose-dependent manner for both the cultivars at P < 0.05 level.High salt concentration (150 mM) showed a comparable effect in Adet and.
  6. Salt stress is one of the environmental factors that greatly limits crop production worldwide because high salt concentrations in the soil affect morphological responses and physiological and metabolic processes, including root morphology and photosynthetic characteristics. Soil aeration has been reported to accelerate the growth of plants and increase crop yield
  7. Generally, salt injury may be expected to occur on emerging seedlings and young plants growing in soils with an SS-I of about 50; however, this is greatly dependent on the crop sensitivity and growth stage, soil type, soil texture, and moisture status of the soil

Underline the Independent variable (what is the experimenter changing) and circle the Dependent variable (what is being measured) and then write your hypothesis in an If, then format. 1. Can reading small print cause a headache? Salt in soil may affect plant growth One of these is sodium salt. Where the concentration of sodium salts is high relative to other types of salt, a sodic soil may develop. Sodic soils are characterized by a poor soil structure: they have a low infiltration rate, they are poorly aerated and difficult to cultivate. Thus, sodic soils adversely affect the plants' growth 1. Chocolate may cause pimples Independent variable: _____Dependant variable: _____ 2. Salt in soil may affect plant growth. Independent variable: _____ Dependant variable: _____ 3. Plant growth may be affected by the color of the light

Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition. It is important to understand how these factors affect plant growth and development. With a basic understanding of these factors, you may be able to manipulate plants to meet your needs, whether for increased leaf, flower, or fruit production Dependent Variable. Responding- has changed; is observed/measured affected by IV/ interesting variables. Salt in soil may affect plant growth. Salt in soil is independent and the plant growth is dependent. If salt is added to soil then it will affect plant growth. Plant growth may be affected by the color of the light Saline and sodic soils may be of natural or man-made origins. One of the man-made processes is related to irrigation. Under certain combinations of irrigation water quality and soils, salts and/or sodium may accumulate in the root zone and have an adverse effect on plant growth

Salt in soil may affect plant growth

Soil respiration reflects the capacity of soil to sustain plant growth and soil microbes. It is an indication of the level of microbial activity, SOM, plant litter, and decomposition. Soil respiration rates can be used to estimate nutrient cycling in the soil and the ability of the soil to sustain plant growth and biological activity The increased salinity of soil overall stunts plant growth because it reduces the rate and amount of water that the plant roots can take up from the soil The steepness of a slope affects plant growth through differential incidence of solar radiation, wind velocity and soil type. A steep slope is susceptible of rapid surface runoff and soil erosion which cause soil degradation.Likewise, the influence of this abiotic factor on plant growth and distribution is noticeable Bacteria in the soil metabolize sulfur, eventually turning it into sulfuric acid which lowers the overall pH. It can take a few months to have a significant effect. Lowering soil pH with sulfur pH and Growth. It's not always obvious if your soil pH is too high or too low but you will notice that your plants aren't behaving as they should be

An experiment is set up with ten pots to test the effective of fertilizer on plant growth. 5 pots have fertilizer added to the soil, 5 pots do not have fertilizer added to the soil. Each pot has 1 spider plant and 5 cups of soil. The pots are watered once a week with 1/2 cup of water. Water would be what type of variable A very few plants need five other nutrients: cobalt, nickel, silicon, sodium, and vanadium. Each essential nutrient affects specific functions of plant growth and development (Table 1). Plant growth is limited by the nutrient that is in the shortest supply (Fig. 1). Forms of essential plant nutrient A higher xylem sap pH can result from a variety of plant stresses in addition to soil drying - high light, salt and nitrate, for example (Jia and Davies, 2007), enabling the modulation of stomatal aperture in response to a variety of environmental variables. ABA also mediates effects in other physiological processes through alterations in. Victor made the graph shown to record the observations of an experiment to study the effect of soil additives on the growth of plants. Three identical plants having a height of 25 cm were used for the experiment. The first plant had no soil additives, the second plant had wheat straw in the soil, and the third plant had polymer in the soil

If the concentration of salt in the soil is too - Brainl

Table salt doesn't actually have to come from a salt shaker to affect plant growth. In fact, sodium chloride (NaCl) is very commonly found in soil. Where the land is used for agricultural purposes, salt tends to accumulate as plants pull other minerals out of the ground, leaving the salt behind Chocolate may cause pimples. Salt in soil may affect plant growth. Plant growth may be affected by the color of the light. Bacterial growth may be affected by temperature. Ultraviolet light may cause skin cancer. The temperature may cause leaves to change color. All of these are examples of hypotheses because they use the tentative word may. It is well known that salinity may have deleterious effects on plant growth, and crop production is low in saline soils. Low concentrations of salt can induce growth retardation in non-halophytic plants, while high concentrations can even result in the death of the plant [ 8, 9, 10 ] The general hypothesis was that the higher the salt concentration was, then seeds will be unable to germinate because it will the process of growth of the seed. The independent variable was the different concentrations of salt and the dependent value was how many radish seeds germinated after adding different concentrations of salt The Independent variable of this experiment is the light that enter the plant. The Dependent variable is the height of the plant. This is determined by measuring the the height of all the plants in a pot and calculating the average. The Control variables are the amount of water given and the amount of sunshine. Question: What color of light.

A student designs an experiment to determine the effect of

They discovered that an inner layer of tissue in the branching roots that anchor the plant is sensitive to salt and activates a stress hormone, which stops root growth. The study, published in the current issue of The Plant Cell, is a boon for understanding the stress response and for developing salt-resistant crops All the non-living factors that affect living organisms (like plants) and ecosystems (like soil ecosystems). They include: Climate - average rainfall, temperature, and wind patterns. Soil type, soil fertility and other soil variables (like soil health, and soil quality) Geographic location - US plant zones, different soil conditions in each. Soil salinization is the buildup of salts within a soil; this can lead to stunted plant growth. This lab explores the correlation between salinization and plant growth by stimulating radish seed germination in a controlled experiment with control groups of increasing salt concentrations

A salt level of 2.0 dS/m or greater can affect sensitive plants, but many plants tolerate an EC level of about 4.0 dS/m. Levels of two to four times this amount are usually necessary before easily diagnosed foliar symptoms (leaf burn or scorch, leaf drop) are expressed. Measuring salinity or electrical conductivity requires technical knowledge What was average growth of plants with regular water and average growth of plants with salt. In conclusion, saltwater is a horrible liquid for plants that grow on land. My prediction from the beginning was basically right I said that saltwater will be slightly bad for the plants and salt water was a poor thing for the plants You will need 20 small flowerpots with identification tags, potting soil, seeds for three varieties of the same vegetable, meter stick, planting trowel, 1/4-cup measure, and a bucket of water. After the data are collected, you will answer the following questions: 1. What is the effect of seed variety on the plant growth? Does it appear that plants

What are the dependent and independent variables of these

Plant Growth Promoting Bacteria - Blue Planet Labs

does salt affect the boiling temperature of water? II. VARIABLES: The independent variable is the different amounts salt that will be added to the water (what is done by the scientist). The dependent variable is the boiling temperature of the water (what is being measured). III: HYPOTHESIS: If salt is added to water then,. Soil mineral depletion is a major issue due mainly to soil erosion and nutrient leaching. The addition of biochar is a solution because biochar has been shown to improve soil fertility, to promote plant growth, to increase crop yield, and to reduce contaminations. We review here biochar potential to improve soil fertility. The main properties of biochar are the following: high surface area. Introduction The Interconnection of Plants with Soil Microbes. Although plant physiologists sometimes view soil as simply a source of nutrients to plants, it is actually a complex ecosystem hosting bacteria, fungi, protists, and animals (Bonkowski et al., 2009; Muller et al., 2016).Plants exhibit a diverse array of interactions with these soil-dwelling organisms, which span the full range of. The restriction may be below where plant roots normally occur because of limitations in water state, temperatures, or depth from the surface. The root-restricting depth should be evaluated for the specific plants important to the use of the soil. These plants are indicated in the soil description

How to Write Hypothesis for Lab Report SchoolWorkHelpe

However, in salinated soil, plants absorb too much salt. Unable to get rid of this excess salt, the plant accumulates deposits in its cells that interfere with a variety of plant processes. Observable Effects. The observable effect that saltwater has on plants depends on just how much salt is in the soil as a result of salt watering When values are greater than 0.60 sensitive plants (such as onions, etc.) may suffer salt damage. The level of soluble salts can change rapidly in the soil due to leaching, so the effects of time and growing conditions are important considerations when evaluating the significance of the soluble salts level They are called plant pathogens when they infect plants. For the purposes of discussing plant pathology, only plant disease pathogens will be discussed. Pathogens can spread from plant to plant and may infect all types of plant tissue including leaves, shoots, stems, crowns, roots, tubers, fruit, seeds and vascular tissues (Figure 62). Figure 62 This allowed us to address potential seasonal differences in correlations between abiotic variables and standing plant biomass resulting from new plant growth. For each marsh site, ten 25 × 25 cm quadrats were randomly placed at least 1 m apart, five within the marsh platform where short‐form S. alterniflora are typically found, and five. Dependent - The variable affected/changed by the independent variable and the variable measured. Control - The variables which need to be kept constant as they would others impact on the dependent variable. Confounding - The variables which will inevitably have an impact on the dependent variable and which can't be easily controlled

Science Project: How Does Salt Affect Seed Germination

sensitivity at different stages of growth, and how different soil and environ-mental conditions affect salt-stressed plants. For more than 50 years, scientists at the U. S. Salinity Laboratory in Riverside have determined the responses of many important agricultural crops to soil and water salinity When planning a new garden, it's important to know if your soil is suited to the types of plants you will grow. The soil's pH is rated on a scale of 3.5 to 9.0, and most plants do best in soil. Estimate the effect of water stress on the evapotranspiration of a full grown tomato crop (Z r = 0.8 m and p = 0.40) cultivated on a silty soil (q FC = 0.32 and q WP = 0.12 m 3 m-3) for the coming 10 days when the initial root zone depletion is 55 mm and neither rain nor irrigations are either forecasted or planned.The expected ET o for the coming decade is 5 mm/day and K c = 1.2

Partnerships for Reform through Investigative Science and Math Germination Requirements 3 Create a Driving Question Board (DQB) by writing Seed Germination in the center of a sheet of poster board or chart paper. Question 1: What do seeds need to germinate? Answer: May include light, soil, water, and temperature. NOTE: Write the students answers on the board or on a separate sheet of. Salt in soil may affect plant growth. Plant growth may be affected by the color of the light. Bacterial growth may be affected by temperature. Identify the independent (test) and dependent (outcome) variables for this experiment, and two constants/variables the student should control during the experiment

The Impact of Salts on Plants and How to Reduce Plant

A student conducts an experiment to determine how the amount of water given to a plant affects its growth. Which of the following is not a constant or control for this experiment? a. the type of plant b. the amount of soil c. the amount of water d. the amount of time in the sun Please select the best answer from the choices provide Extremely high salt concentration kills the plant but the moderate salt stress exhibits the growth differences among the crop varieties. The tolerance to salt stresses is complex phenomena because it may require the combination of different independent and/or interdependent mechanisms and pathways growth. — If air is bubbled into the nutrient solution, then the roots will grow more rapidly. — Air is important for root growth in bean plants. 21. -change in the number of daphnia in the population -number of daphnia at each temperature 22. Identifying the independent variable in the experiment as temperature. 23. -The control. For instance: if you were measuring the growth rate of plants under full sunlight for 8 hours a day versus plants that only have 4 hours of full sunlight per day, the amount of time per day of full sunlight would be the independent variable - the variable that you control. The growth rate of the plants would be a dependent variable

Pour 20mL of the solutions into the corresponding bag. This is to show the effects of the independent variable (salinity of solution). Let the bags sit, watering 20mL of the solution when needed, for 5 days. Count the amount of seeds that germinated (growth is the dependent variable) Salt build-up within the plant itself also has effect. This shows more so in older leaves which have had longer exposure to salt excess. Some of the signs you may see (though not always) that might indicate the salinity is too high for that particular plant are: Slow, stunted growth compared to an identical plant in a low salinity are The responding variable or dependent variable is a very important part of a scientific investigation. It is the part of the experiment that is observed for some kind of change or effect

An independent variable is a variable believed to affect the dependent variable. This is the variable that you, the researcher, will manipulate to see if it makes the dependent variable change So it may be concluded that good soil structure and aeration are imperative for maximum yields of most agricultural crops (excepting rice) and the limiting effect is an inadequate root oxygen supply which can influence the plant growth. Environmental Factor # 6. Soil Reaction: Soil reaction (acidity or alkalinity) affect plant growth and. The independent variable is the amount of light and the moth's reaction is the dependent variable. In a study to determine the effect of temperature on plant pigmentation, the independent variable (cause) is the temperature, while the amount of pigment or color is the dependent variable (the effect)

Did your Hypothesis look something like this Salt in soil

An increased salt concentration in soil will lead to a more difficult intake of nutrients through plant roots. Salt is not easily absorbed by plants, and its presence may block the intake of vital nutrients and minerals. Often times water used for irrigation and pesticide residue contains a small concentration of salt Independent variable: amount of sleep Dependent variable: grade percent average Formal hypothesis: If the amount of sleep is increased then the grade percent average will increase because sleep Salt in soil may affect plant growth. Independent variable: _____ Dependent variable: _____ Plant growth may be affected by the color of the light

HYPOTHESIS SCI. Flashcards Quizle

  1. ation rate, which is the dependent variable
  2. Chocolate may cause pimples. Salt in soil may affect plant growth. Plant growth may be affected by the color of the light. Bacterial growth may be affected by temperature. Temperature may cause leaves to change color
  3. It is the presumed cause of the changes in the plant's rate of growth, and a change in the plant's growth rate won't impact the chemical makeup of the water. The relationship between the independent variable and the dependent variable is not two-way, hence the water being the independent variable
  4. Dependent variables: amount of soil, size of pot, type of plant, amount of water, frequency of watering, composition of water Independent variables: number of times 10 ml. of vinegar is added to plant watering Control: The control sample is treated the same as all other samples except it is not exposed to the manipulated variables
  5. Tolerance is the ability of plants to mitigate the negative fitness effects caused by herbivory. It is one of the general plant defense strategies against herbivores, the other being resistance, which is the ability of plants to prevent damage (Strauss and Agrawal 1999).Plant defense strategies play important roles in the survival of plants as they are fed upon by many different types of.
  6. e what conditions produce the tallest and healthiest plants
  7. The two plants are as close to the same as possible. A study needs to be performed on the effects of a new organic fertilizer on plant growth. For this experiment, both plants are needed. The plant on the right will be the independent variable and the one on the left will be the dependent variable. The plants will be treated and cared for in an.
Effect of soil salinity and ion toxicity on crop growthGreen Industry Continuing Education Series July 2013

How Does Salt Affect Plant Growth? - Reference

How does electrical conductivity affect plant growth? There is a direct and critical correlation between EC and plant growth performance. The response of plants to either low levels of fertilizer salts (EC <1) or high fertilizer salts (EC >1) will ultimately result in stunted growth and poor health An independent variable is a variable that you can control. One way to explain it to a child is that it is the variable that the child can change during the experiment. For example, in an experiment on the effect of light on plant growth, the child can control how much light a plant receives Some control variables would be the amount of liquid given to the plant, the tools used, location, soil quality, sunlight, and temperature. Independent and Dependent Variables in Math You probably remember being introduced to variables during an introductory Algebra lesson Answer: SpongeBob did not provide both plants with the same amount of water and sunshine. In order to test the fertilizer correctly, both plants should have been placed in the sunny window and watered every day with the same amount of water.The only difference between the two plants should have been the fertilizer - one plant would be watered with the water with fertilizer and the other would. When subsoil pH's drop below 5.0, aluminum and manganese in the soil become much more soluble, and in some soils may be toxic to plant growth. Cotton and, to some extent, soybeans are examples of crops that are sensitive to highly soluble aluminum levels in the subsoil, and crop yields may be reduced under conditions of low subsoil pH

Effect on Plant Growth of Sodium Salts I

Plants require more than just water and sunlight to grow. They also require many nutrients found in the soil. One of the most important nutrients required for plant growth is nitrogen. Nitrogen is used to build plant proteins and nucleic acids, including DNA. Nitrogen is found naturally in the atmosphere and in the soil Under certain combinations of irrigation water quality and soils, salts and/or sodium may accumulate in the root zone and have an adverse effect on plant growth. Under some conditions, sodium can be controlled in the upper part of the soil through the use of soluble calcium amendments The growth response is greatest in C 3 plants, C 4 plants, are also enhanced but to a lesser extent, and CAM Plants are the least enhanced species. The stoma in these CAM plant stores remain shut all day to reduce exposure. rapidly rising levels of carbon dioxide in the atmosphere affect plants' absorption of nitrogen, which is the nutrient. • Soil reaction is the pH (hydrogen ion concentration) of the soil. • Soil pH affects crop growth and neutral soils with pH 7.0 are best for growth of most of the crops • Soils may be acidic (<7.0), neutral (=7.0), saline and alkaline (>7.0) • Soils with low pH is injurious to plants due high toxicity of Fe and Al • The optimal soil pH varies widely for different plant species. Most plants have a wide range of pH where they can grow and survive, but have optimal growth and production in a fairly narrow range. For example, a legume crop like alfalfa can grow and survive in soil pH s ranging from 5.0 to 8.1, however, forage yield \

Comparison Between the Water and Salt Stress Effects on

Dependent Variable? •The variable that is being measured affect the growth rate of plants? Identify the INDEPENDENT variable What is the effect of soil type on plant height? Controls for the plant experiment: -type of plant -growing conditions (sunlight, temperature, etc.). Alfalfa is a high-yielding, perennial legume that is well-suited to hay, silage, or pasture production. Alfalfa is known as the Queen of Forages because it produces an excellent quality, high-protein forage. These properties make alfalfa one of the most widely-grown crops in the world Soil salinization is the buildup of salts within a soil; this can lead to stunted plant growth. This lab explores the correlation between salinization and plant growth by stimulating radish seed germination in a controlled experiment with control groups of increasing salt concentrations

Plant Growth Animation - YouTubeMicrobes and invasive plants - microbewikiMaking grow the Community seeds - The eZ Publish CommunityTwin row planted mid growth grain corn plants at the post

A dd the hindering of plant growth to the long and growing list of the ways climate change may affect life on our planet. The number of days when plants can grow could decrease by 11% by 2100. Variable Definitions. Independent Variable: The variable you are changing/ testing ; Dependent Variable: The data you are collecting (how will you measure if the IV is working ); Control Variables: multiple aspects that must remain the same throughout all trials and all IV changes ; Control Group: Negative and Positive controls for IV, these make sure that when you test the IV you are actually. The global environment is changing with increasing temperature and atmospheric carbon dioxide concentration, [CO 2].Because these two factors are concomitant, and the global [CO 2] rise will affect all biomes across the full global range of temperatures, it is essential to review the theory and observations on effects of temperature and [CO 2] interactions on plant carbon balance, growth. Parental Note: This experiment can be completed independently by children 8 years of age and older.The project may require some support to track plant growth and take anecdotal notes over the span of two weeks. Additional Note: This experiment will take roughly two weeks to complete; this calculation takes into consideration both the set up time and time needed for plant growth The next question is whether abiotic factors affect the plant‐mediated effects of microbes on herbivores. This research field is still in its infancy and there are only studies on beneficial fungi (i.e. mycorrhizae and other endophytes) while nothing is known for plant growth‐promoting rhizobacteria or nodulating rhizobia

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