Deficiency of B can be corrected through application of chemical fertilizer of_________________?

Related Mcqs:

1. 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

2. The chemical formula of urea fertilizer is_______________________?

   A. NH₂CONH₂
   B. [CO(NH₂)]
   C. Both a & b
   D. None of the above

3. The exact chemical formula of DAP fertilizer is___________________?

   A. (NH2) HPO4
   B. NH4H2PO4
   C. NH4H2PO4
   D. Both a & c

4. calcium is immobile in plants. Therefore, under conditions of deficiency, young tissue is affected first. calcium deficiency symptoms are:

   A. Death of terminal buds; roots tips also affected
   B. Abnormal dark green appearance of foliage
   C. Premature shedding of  blossoms & buds & weakened stem
   D. All of the above

   Submitted by: Shafiq-ur-Rehman

5. Shallow channels that can be readily corrected by routine tillage operations is called:

   A. Permanent gullies
   B. Ephemeral gullies 
   C. Both A & B
   D. None of these

   Submitted by: Shafiq Rehman

6. DAP fertilizer available in Pakistan contains__________________________?

   A. 18% N & 46% P2O5
   B. 46%N & 18%P2O3
   C. 100%P2O3
   D. 50%P2O3

7. Percentage of N in Ammonium ritract fertilizer is___________________?

   A. 21
   B. 23
   C. 33
   D. 39

8. 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

9. Select the water soluble phosphatic fertilizer from the following__________?

   A. DSP
   B. TSP
   C. SSP
   D. All of these

   Submitted by: Shafiq Rehman

10. Ammonium sulfate fertilizer containing 21% N & 24% S, is best in top dressing in:_________?

    A. Barley
    B. Rice
    C. Date palm
    D. None of these

    Submitted by: Shafiq Rehman