The horizon of a soil profile which encourages the greate...
The horizon of a soil profile which encourages the greatest level of microbial activity is
A - horizon
B - horizon
C - horizon
D - horizon
Correct answer is A
The A-horizon is a weathered layer that contains an accumulation of humus (decomposed, dark-coloured, carbon-rich matter) and microbial biomass that is mixed with small-grained minerals to form aggregate structures.
One of the followings is not a basic consideration in planting operations ...
A 100kg NPK 15: 15: 15 compound fertilizer has a filler make -up weight of ...
The disease which affects only animals other than humans is ...
Delayed harvesting of maize may result in ...
Which of the following is not a source of farm credit? ...
The basic importance of agriculture to a forester is to ...
Which of the following routine maintenance in a tractor is necessary on daily basis? ...
Risks on commercial farms could result from ...
An agricultural system which combines crop production with forest establishment is known as? ...