Which one of the following strategies does not help in preventing the incidence of ‘whitefly’ in cotton?
Whitefly spoil cotton plants in 2 ways - firstly by sucking the juice and secondly by excreting honeydew in which sooty mould develops.
The soil amendment used for the reclamation of Sodic soil is
The absolute density of soil is also referred to as ……………….which is generally 2.60-2.75 gm/cm3
According to the mobility of element in soil; which of the following is considered as Immobile in soil.
……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients.
...Bray-1 test is used to determine phosphorous in
Regarding the reclamation of saline soils, which of the following statement is/are correct?
Biological oxidation of elemental Sulphur is carried out by which of the following bacteria?
It is the tendency of some crops to absorb and accumulate nutrients far in excess of their actual needs if it is present in sufficiently large quantitie...
Acidic soils are generally found in the regions of
Every year to raise awareness about the importance of soil quality for food security, healthy ecosystems, and human well-being, World soil day is cele...
