Agronomy - Study Mode

[#521] National Bureau of Soil Survey and Land (NBSSLP) was set up in
Correct Answer

(A) 1976

Explanation

Solution: National Bureau of Soil Survey And Land Use Planning (NBBSS & LUP) was set up in 1976 as an independent Institute of ICAR and started functioning at the IARI, New Delhi. But later in June 1978, the headquarters of the Bureau was shifted to Nagpur.

[#522] The maturity of fibre is judged by
Correct Answer

(C) Arealometer

Explanation

Solution: An Arealometer is an instrument to measure the thickness of the fiber. While the maturity of the fiber is estimated by its perimeter, area, and the other geometrical configuration related to it. An arealometer is responsive to two of the properties specific areas, A and Immaturity Ratio I.

[#523] CSH-1 was first sorghum hybrid released in
Correct Answer

(D) 1964

Explanation

Solution: CSH-1 is the first hybrid variety of sorghum released in 1964. Dr. Neelamraju Ganga Prasada Rao is entitled as "Father of Hybrid Sorghum" in India. He was well-known for basic and applied research in the breeding and agronomy of several dryland crops, especially towards sorghum improvement.

[#524] The crop having the highest pesticide use is
Correct Answer

(D) Cotton

Explanation

Solution: Cotton is one of the major commercial crops of India. Cotton covers only 5% of the total cropped area, but it accounts for nearly 50% of the consumption of overall pesticides which makes cotton the most chemically intensive crop in the world. The major herbicides used on the cotton plantation are trifluralin, MSMA, DSMA, Prometryn, cyanazine, norflurazon, diuron and many more.

[#525] In jute growing areas, the usual alternate crops is
Correct Answer

(B) Rice

Explanation

Solution: In most of the jute growing areas, autumn and winter rice are usually treated as alternative crops. An alternate cropping system is very advantageous in retaining soil nutrients, it also prevents the accumulation of chemicals secreted by some crop plants.