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Let maximum marks = 100x ∴ 34x + 80 = 36x + 64 => 2x = 16 => x = 8 ∴ Max marks = 100x = 800 ∴ Minimum percentage marks to be pass = {[(34×8) + 80]/800} × 100 = 44%
Which clay mineral group is known for its ability to swell and expand when wetted?
The EC of Sodic soil is __mmho/cm at 25 ℃ .
Which soils are known as self-tilled soils
Which method measures soil moisture content by drying a sample in an oven and determining the percentage of moisture loss?
According to USDA classification of salt affected soils; a soil having EC >4 mmho/cm; ESP >15; pH
What is the color of the tag used for certified seed?
The indicator plant for zinc deficiency is ____
The study of soil from the stand point of higher plants is known as……………………….
Sodic soils are also known as_____
The Soil moisture potential at permanent wilting point is____
