Which one of the following is correct about “JHUM” is___
Jhum or Jhoom cultivation is a local name for slash and burn agriculture practised by the tribal groups in the northeastern states of India like Arunachal Pradesh, Meghalaya, Mizoram and Nagaland and also in the districts of Bangladesh like Khagrachari and Sylhet
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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