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..

Submitted by: Shafiq Rehman

Related Mcqs:

Most out standing green manure crop is__________?
A. Sun hemp
B. Dhaincha
C. Both of the above
D. None of the above

Submitted by: Shafiq Rehman
Phosphorus (P) is the second major nutrient essential for plant growth. With the exception of Nitrogen (N) and Potassium (K), Phosphorus is required by plants in_________?
A. Lesser quantities
B. Greater quantities
C. Not required
D. The above statement is wrong

Submitted by: Shafiq Rehman
Availability of Phosphorus is maximum at:__________?
A. Neutral
B. Alkaline
C. Acidic
D. None of these

Submitted by: Shafiq Rehman
The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:
A. Nutrient deficiency symptoms & field experimentation
B. Greenhouse pot experimentation & soil testing
C. Plant analysis
D. All of the above

Submitted by: Shafiq Rehman
Deficiency of B can be corrected through application of chemical fertilizer of_________________?
A. Solubor
B. Boric acid
C. Borax
D. All the above
If a manure pile is exposed to the rain, what nutrient will be lost the most ?
A. Ca
B. Mg
C. S
D. N

Submitted by: Shafiq Rehman
The complex fertilizer Nitrophos available in the market contains_____________________?
A. 25%N & 23% P2O3
B. 46%N & 23% P2O3
C. 23%N & 23% P2O3
D. None of the above
The exact chemical formula of DAP fertilizer is___________________?
A. (NH2) HPO4
B. NH4H2PO4
C. NH4H2PO4
D. Both a & c
Percentage of N in Ammonium ritract fertilizer is___________________?
A. 21
B. 23
C. 33
D. 39
All the SSP and some nitrophos are are manufactured locally by the National Fertilizer Corporation (NFC): SSP at_________?
A. Faisalabad
B. Jaranwala
C. Haripur
D. All of these

Submitted by: Shafiq Rehman