61.
Crop lodging time conducted in Hawai

62.
Deficiency symptoms of nitrogen occurs first on

63.
Which of the following is not a short day plant?

64.
Match the following columns:
Column I Column II
a. International Board for Plant Genetic Resources 1. lbadan (Nigeria)
b.International institute of Tropical Agriculture 2. Rome (Italy)
c. International Laboratory for Research on Animal Disease 3. Hyderabad (India)
d. International Crops Research Institute for the Semi-Arid Tropics 4. Nairobi (Kenya)

65.
Productivity of an intercrop per unit area of ground compared with that expected from sole crop sown in the same proportions is termed as

66.
The downward movement of surface soil water is known as

67.
The main objective of growing a catch crop is to

68.
How much nitrogen will be supplied by 500 kg of Ammonium Sulphate?

69.
Phalaris minor is mainly associated with

70.
Chiseling depth is generally referred to

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