Agriculture MCQs

2794 MCQs  (Page 252 of 280)

Ground water refers to the________?
A. Water quality determination
B. Aquifer location
C. Water regulation
D. Installation of wells
What is the effect of application of P2O5 fertilizer to a green manure leguminous crop in the availability of phosphorus to the succeeding crop?
A. Green manure increases the availability in organic from to the next crop
B. It does not affect the availability of phosphorous to succeeding crop
C. Greater amount of phosphorus is taken up and converted into organic form, which is released on decomposition of green matter
D. It fixes the p2o5 through humus and reduces the availability..
The removal of excess water from the ground surface is called:________?
A. Sub-surface drainage
B. Surface operations
C. Drainage
D. All of the above
There are twelve soil orders found in the world of which six soil orders have been recognized at various locations are________?
A. Andisols, gelisols, histosols, spodosols, oxisols, ultisols
B. Entisols, inceptisols, aridisols, alfisols, mollisols, vertisols
C. Andisols, aridisols, histosols, vertisols, regosols, libosols
D. The above statement is wrong
Systematic examination of soil in the field and laboratories, their description and grouping according to classification system:
A. Reconnaissance survey
B. Detailed soil survey
C. Soel survay
D. The answer of statement is not in options
Based on their diameters, soil pores are divided into:_________?
A. Macro pores
B. Meso pores & micro pores
C. Both a & b
D. The above statement is wrong