In Pakistan, the major phosphatic fertilizers are:
In Pakistan, the major phosphatic fertilizers are:
A. DAP
B. SSP
C. Nitrophos
D. All of Above
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Which type of structure is dominant in grasslands:
Which type of structure is dominant in grasslands:A. Prismatic & Columnar
B. Spheroidal or Sphere-like
C. Angular blocky Sub-angular blocky
D. Platy & LuminarNitrogen fixation is accomplished by:_________?
Nitrogen fixation is accomplished by:_________?A. Fungi
B. Bacteria from atmosphere
C. Plants
D. None of theseThe capacity of a soil to function on sustained basis promoting plant and animal health:
The capacity of a soil to function on sustained basis promoting plant and animal health:A. Soil Quality
B. Soil Pollution
C. Soil Salinity
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International atomic weight of potassium is_________________?A. 39.0
B. 40.0
C. 41.0
D. 38.0There are twelve soil orders found in the world of which six soil orders have been recognized at various locations are________?
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 wrongIn cation exchange, 18 mg of Ammonium ion can be exchanged for__________?
In cation exchange, 18 mg of Ammonium ion can be exchanged for__________?A. 40 mg of Ca
B. 46 mg of Na
C. 6 mg of Al
D. 12 mg of mg