Calculate the amount of CaCO3 required to raise the pH of a hectare of this soil to pH 6.  (Refer to the graphical illustration) 1 ha = ____________ kg

Q: When Chris mows the grass, she faces a choice between discarding the clippings and leaving them on…

A: Plants need water, soil, nutrients for their growth and development, deficiency of any of the…

Q: High buffering capacity means the soil has more sand than soil with low buffering capacity. True or…

A: Buffers are substances that can resist changes in pH. It is a combination of a weak acid and its…

Q: The plant material left in the field after harvest is known as crop ____________; use of this…

A: Plants are non-motile living beings that are capable of producing their own food by utilizing the…

Q: An activated sludge system operates at a flow rate (Q) of 400 m³/day (and an HRT of 0.129 day) with…

A: BOD (Biochemical Oxygen Demand) is an analytical method for figuring out the quantity of dissolved…

Q: Soil pH influence the availability of soil nutrient elements TRUE OR FALSE

A: Soil nutrients are essential elements and compounds that are required for optimal plant growth. They…

Q: The high acidity of the soil means less capacity to bind positively charged ions. True or False?

A: Soil is the topmost layer of the earth which is formed by the process of weathering. The process of…

Q: a prediction for the pH levels in the plant if it closes its stomata for an extended period of time.…

A: To predict the pH levels in the plant if it closes its stomata for an extended period of time

Q: If the pasture is 15% dry matter, how much (kg) fresh (wet) pasture is 18 kgDM?

A: Dry matter refers to the portion of a substance that remains after all the water has been removed by…

Q: Two soil samples, A & B, at same soil moisture levels are placed in contact with each other. Water…

A: Osmosis occurs by the movement of the solvent to a higher concentration. Solutions can be hypotonic,…

Q: Soil organic matter (SOM) samples have charge that is pH-dependent, and measurements for the…

A: According to the data provided in the question: Soil organic matter (SOM) CEC = 150 cmolt) /bg…

Q: If a soil when sampled from the field weighed 30g(fresh weight) and after oven drying at 105°C…

A: The moisture content of the soil is a very important parameter. The moisture content of soil depends…

Q: Can you determine phosphorus content in the soil via CEC measurement? Explain your the choice of…

A: The CEC stands for (cation exchange capacity), which measures the capacity of the soil to hold…

Q: The availability of most micronutrients, except for Fe and Mn, increases with decreasing soil pH

A: The given statement is true

Q: Unless frozen, water is always in _______________, always ______________ within a plant from areas…

A: Water, a substance made out of the chemical elements hydrogen and oxygen and existing in vaporous,…

Q: Two hundred (200) bags of freshly harvested palay with 23%MC was dried and became 192 bags.…

A: Given: Two hundred (200) bags of freshly harvested palay, 23%MC 192 bags We have to Determine the…

Q: The normal state of cations and anions in a soil is in the hydrated state. TRUE OR FALSE

A: Hydrated state means in combination with the water. Soil is made up of very small and large…

Q: Fertile soil is one of the keys to good yield. (i) Explain the roles of clay and organic matter in…

A: 1)Soil is made up of many components.A major percentage of the soil comprises clay ,and a small…

Q: Examine the sketch of the xylem elements below (they are displayed horizontally to save page space),…

A: Introduction :- Xylem is the specialised vascular tissue which transports the water molecule or…

Q: 58 MPa while the water potential of your crop is -1.62 MPa. estion A Is your crop able to take up…

A: Water potential (Ψ) is actually determined by taking into account two factors - osmotic (or solute)…

Q: Which of the following is considered as an appropriate plant extraction technique?    1.…

A: The basic steps of extraction are:- penetration of solvent into a solid matrix dissolution of…

Q: Assuming that layer silicates and humic acid exist independently in the soil, calculate a typical…

A: CEC refers to the cation exchange capacity of a soil. This helps in measuring the total number of…

Q: According to Atterberg, between the ________________ and ______________ limits, a soil is in a…

A:

Q: You have been presented with leaf samples with various nutrient deficiency symptoms shown below. (i)…

A: As per our guidelines we are not allowed to answer multiple questions. Please repost the second…

Q: The equation for the decomposition rate of leaves can be written as moekt You start with 100g of…

A: Introduction :- Dead creatures are broken down into their basic chemicals through the process of…

Q: %OM pH EC Ca2+ Mg2+ K+ Na+ Al3+ H+ %   dS/m cmolc/kg soil cmolc/kg soil cmolc/kg soil cmolc/kg soil…

A: In the field of soil science, understanding the quality and composition of soil is essential for…

Q: ording to the water potential values shown in the image, which ones are wrong and why? W air (22 °C,…

A: Water potential is the energy required, to transport small quantity of water from the sample to a…

Q: Mukul conducted an experiment in the Green House of University of Delhi. He filled 10 kg of…

A: Sterilized soil is the one that has undergone heat and chemical treatment to kill any pathogens and…

Q: Given the following information, how do you calculate for the average grams per square meter of dry…

A: The situation presented in this question, there the provided information on the weight of herbaceous…

Q: Calčium čárbón calcium element is easily release to correct soil pH.

A: The given data above is analysed and the answers are given below. The false statements are…

Q: High buffering capacity means the soil is more fertile than soil with low buffering capacity.  True…

A: The buffering capacity of the soil indicates the capacity of the soil to resist pH change.…

Q: Malathion is an organophosphate pesticid that is used often in residential and commercial…

A: Organophosphates are the most widely used insecticides and pesticides today. They are used in…

Q: 1.1 Microbes in the soil could be beneficial to plants and one way to evaluate this is by…

A: Rhizosphere can be defined as the area of soil directly affected by the secretion of roots and other…

Q: When the soil is acidic, plants cannot grow on it. True or False

A: Soil pH is one of the factor which determines the growth of the plants. Every plant can grow in a…

Q: When I am doing a Generation time graph with Log CFU/mL vs Time I am getting a straight line instead…

A: The four main phases of the growth cycle are lag phase, log (exponential) phase, stationary phase,…

Q: Which of the following is the collection of sacks containing chlorophyll?

A: Chlorophyll is one of the plant pigment that is present in chloroplasts. Besides, it is also present…

Q: Tortuosity has to do with the straight or curvy pathway water must take as it moves downward through…

A: The separation occurs because, for steric hindrance purposes, larger molecules do not reach the…