…………………..measures the proportion of cation exchange sites occupied by sodium.
Toxicity of which element leads to the unavailability of iron and zinc
CAN is also known as ___
Study of soil in relation to growth and development of plant is known as:
Reclammation of acidic soils is done by the use of……………………..
The acidic soils can be reclaimed by the application of ____
The EC of Sodic soil is __mmho/cm at 25 ℃ .
The most suitable soil type for groundnut cultivation is _____
When the contact of soil moisture still decreased below the wilting point in way that the water is held very tightly & may be state of vapour around soi...
Tillage increases the water holding capacity of soil but it reduces the …………………….