Agronomy - Study Mode
[#321] CAN is a fertilizer of . . . . . . . . nature.
Correct Answer
(C) Neutral
Explanation
Solution: CAN is Calcium ammonium nitrate, also known as nitro lime stone or nitrochalk. It is a widely used inorganic neutral fertilizer, accounting for 4% of consumption out of all nitrogen fertilizers used worldwide. It is hygroscopic and its Dissolution in water is endothermic.
[#322] When Jelmeter shows its reading $$frac{3}{4}$$ then how much sugar should be added?
Correct Answer
(B) 750 g
Explanation
Solution: A Jelmeter is a graduated glass tube with an opening at each end. It is an index to the amount of sugar to be used. It also determines the amount of pectin in fruit juice. When the Jelmeter shows its reading $$frac{3}{4}$$ then 750 gms of sugar should be added to the solution.
[#323] First hybrid maize Ganga-l was developed in India in
Correct Answer
(B) 1961
Explanation
Solution: The first hybrid maize Ganga-I was developed in India in 1961. After characterization and classification of Indian land races and simultaneous effects for extracting inbred lines both from indigenous and exotic materials, the first set of yellow double cross hybrids were released as Ganga-1, Ganga 101, Deccan, Ranjit .
[#324] Chikori is associated with
Correct Answer
(B) Berseem
Explanation
Solution: Berseem is the "king of berseem", one of the most important leguminous annual fodder. It gives 5 - 7 cuts in a year during the winter, spring, and early summer seasons. Usually, chicory is found admixed with berseem seed. Since the size of chicory and berseem seed is the same. To remove chicory seeds, a 10% common salt solution is used.
[#325] In a good quality manure C/N ratio should not be more than
Correct Answer
(A) 10
Explanation
Solution: C : N ratio is Carbon to Nitrogen ratio in green manure. Carbon and nitrogen are the most important of the many elements required for microbial decomposition of organic matter to produce compost. In good quality, the manure C/N ratio should not be more than 10.