Question
In how many ways 6 novels and 7 notebooks can be
arranged in a row so that they are alternate?Solution
Reqd. no. of ways = 6! × 7!
During a prolonged dry spell, a farmer notices soil crusting in the field. What could be a possible consequence of soil crusting on the crops?
The EC of Sodic soil is __mmho/cm at 25 ℃ .
Which of the following element/substance leads to deflocculation of soil particles?
What is soil sickness?
Element involved in nitrogen fixation
The water that is held mostly by soil colloids and it is mostly non-liquid or moves in vapour form, the soil water is termed as
Sand drawn disease in tobacco is caused due to the deficiency of ____
The indicator plant for zinc deficiency is ____
The ESP of saline soils is _____%
What is the primary reason for the non-expanding nature of fine-grained micas within the 2:1-type minerals?
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