Chemical generally used for correcting soil acidity is:
As lime dissolves in the soil, calcium (Ca) moves to the surface of soil particles, replacing the acidity.
Bunchy top of sugarcane is caused due to damage from
A typical mineral soil, on volume basis, contains:
Which crop is heavily affected by powdery mildew?
Covering the soil surface by any organic material is termed as ..........................?
Which one of the following is the factor for conversion of ppm to kg/ha?
In high air humidity more water moves into the leaves than is being lost to the air and the more delicate cell walls in the leaf may burst. The conditio...
Tips of ecological pyramid is occupied by
VAM improves mainly the uptake of
If the yield of paddy from different fields are 6.0, 4.9, 6.0, 5.8. 6.2, 6.0, 6.3. 4.8, 6.0, 5.7 and 6.0 tonnes per hectare, the modal value is ________...
The 'Principle of diminishing returns' explains: