Which is the type of tillage in which number of tillage operations are reduced to minimum required?
Minimum tillage is aimed at reducing tillage to the minimum necessary for ensuring a good seedbed, rapid germination, a satisfactory stand.
The larger the soil aggregates, the greater is the amount of ……………………….pores.
In soil, heat transfer is mainly due to
The saline soils contain toxic concentration of soluble salts in the root zone. These saline soils are also known as…………...
According to the mobility of element in soil; which of the following is considered as Immobile in soil.
The EC of Sodic soil is __mmho/cm at 25 ℃ .
Microbe involved in biological oxidation of ammonium ion to nitrite ion is
What is the term for the arrangement of soil particles into clumps or aggregates?
…………………………means the crop producing capacity of a soil which is measured in terms of yield (bio-mass).
...Downward movement of water through saturated soil is called as ___
……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients.
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