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CSS :: Agronomy


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41.  According to the modern concepts; the major function of inter-row tillage is:
A. Moisture conservation through soil mulching B. Improved soil aeration
C. Improved soil granulation D. Moisture conservation through weed destruction

42.  Addition of ammonium sulphate to a herbicidal spray solution enhances the ______ against Agropyron repens:
A. Glyphosphate B. Amylase
C. Reductast D. Oxi-reductase

43.  Adsali crop of sugarcane takes a period of maturity of:
A. 8 months B. 12 months
C. 18 months D. 24 months

44.  Affinity of the enzyme RuDP carboxylase for crbon dioxide is enhanced by:
A. Sulphur B. Phosphorus
C. Nitrogen D. Magnesium

45.  Winter application of phosphorus is followed in:
A. Warm areas B. Cool areas
C. Both of these D. None of these

46.  American cotton should normally be planted at the distance of ______ cm:
A. 4 x 30 B. 30 x 30
C. 60 x 45 D. 90 x 45

47.  Ammonium sulphate is preferred for nitrogen application in groundnut because it also provides:
A. Calcium B. Magnesium
C. Sulphur D. Boron

48.  Among small grain crops _____ has an exceptional tolerance to low levels of soil copper supply:
A. Barley B. Wheat
C. Bye D. Oats

49.  Which wystem of irrigation is not practiced usually?
A. Canal irrigation B. Sprinkler irrigation
C. Underground irrigation D. Lift irrigation

50.  With too much application of nitrogenous fertilizer, sugar content in juice of sugarcane will:
A. Decrease B. Increase
C. Constant D. Crystallized




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