Which of the following is not a green manure crop?
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Crotolaria juncea
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Sesbania aculeta
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Pongamia glabra
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Cymposis tetragonoloba
Which is the most important process of chemical weathering?
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Hydration
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Solution
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Hydrolysis
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Oxidation
According to USDA, the size of silt is?
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0.002 - 0.02
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0.002 - 0.05
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0.02 - 0.2
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Both A & B
Statement 1: The earthworm castings are unstable and easily break into smaller pieces. Statement 2: A mass of rotten organic matter from waste is called FYM.
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Both are correct statements
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Both are incorrect statements
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Statement 1 is incorrect & statement 2 is correct
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Statement 1 is correct and statement 2 is incorrect
Ammonium sulphate is ____________ fertilizer?
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Secondary
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Complete
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High analysis
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Primary
The relative percentage of NPK in a fertilizer is called as _______?
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Fertilizer ratio
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Fertilizer grade
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Fertilizer limit
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Fertilizer margin
Statement 1: Clay soils absorb more heat than clay soils. Statement 2: Ideally 2/3rd of pores are filled with water.
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Both are correct statements
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Both are incorrect statements
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Statement 1 is incorrect & statement 2 is correct
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Statement 1 is correct and statement 2 is incorrect
How much percentage of N is present in sodium nitrate?
Marshy soils are mainly _________ deficient?
Which of the following is not a low-analysis fertilizer in terms of Nitrogen percentage?
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Single super phosphate
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Ammonium phosphate
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DAP
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Urea
Oxygen percentage in the Earth's crust is?
In black soil, which one is not deficient?
According to USDA, the size of very fine sand is _____? mm
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0.002-0.05
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0.1- 0.25
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0.05-0.1
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0.5-1.0
"Kari" is related to ______?
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Acid soil
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Peaty soil
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Saline soil
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Marshy soil
Amount of N % in ammonium chloride is?
Which fertilizer is used for coconut and oil palm?
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Ammonium chloride
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Ammonium sulphate
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Ammonium nitrate
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Ammonium phosphate
Highest NPK percentage among the following options?
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Sheep manure
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Poultry manure
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Biogas slurry
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Compost
Which of the following is not an amendment in soil?
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Tank silt
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Gypsum
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Limestone
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All of the above are amendments - Press mud
Which of the following is not a primary mineral?
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Feldspar
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Serpentine
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Hornblende
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Halloysite
Nitrogen percentage in neem cake is?
Statement 1: N % in basic slag is 14-18. Statement 2: Ammonium nitrate is a fire hazardous fertilizer.
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Both are correct statements
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Both are incorrect statements
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Statement 1 is correct and statement 2 is incorrect
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Statement 1 is incorrect & statement 2 is correct
Which one has the highest N % content in them?
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Sunn hemp
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Dhaincha
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Sesbania
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Coir pith
One molecule of water is attached to _____ molecules in the neighborhood?
On average, one ton of well-grown green manure is equivalent to ______ ton of FYM?
The study of origin, formation, and geographic distribution of soils in nature is called as?
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Petrogenesis
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Edaphology
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Pedology
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Petrology
Which one has the highest N content in them?
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Fish meal
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Meat meal
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Blood meal
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Bone meal
Which nutrient element is taken up by plants in only a single form?
Iron (Fe) plays a role in ______.
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Electron transfer
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Nitrogen fixation
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Photosynthesis
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All of the above
Acidic soils have a pH less than ______.
Which element is NOT a major part of energy storage in plants?