ICAR JRF/SRF (AIEEA-PG) case studies

ICAR JRF/SRF (AIEEA-PG) · Put your knowledge to work in context.

ICAR's All India Entrance Examination is delivered through the National Testing Agency (NTA) as a single listing covering two separate streams: ICAR-AIEEA (PG), the postgraduate admission stream, and AICE-JRF/SRF (Ph.D.), the doctoral fellowship and admission stream. Candidates preparing for either stream should treat the official NTA notices for this examination as the controlling source for dates, eligibility and procedure, because the two streams run on their own schedules and announcements. The ICAR JRF/SRF (AIEEA-PG) case studies are 5 cases and about 3,892 words.

National release of a chickpea line with a crossover interaction

A private breeder submits chickpea line IPC 2014-19 to the state variety release committee with a request for national release. Across 24 locations in two seasons its mean yield is 1,920 kg/ha against 1,780 kg/ha for the check JG 11.

804 words, about 4 min 2

A yield plateau in a twelve-year rice-wheat rotation

For twelve years a farmer in the Indo-Gangetic Plain has grown rice-wheat continuously on 4 ha, applying 150 kg N, 60 kg P2O5 and 40 kg K2O per hectare to rice and 120:60:40 to wheat, with no organic manure and no residue incorporation; the straw is burned. Rice yield has stayed at 5.4 t/ha and wheat at 4.2 t/ha for four years despite the recommended fertilizer.

827 words, about 4 min 3

Failed sprays and very high pink bollworm trap catches in Bt cotton

On 15 September, in a village in central India, 42 farmers with 60 ha of Bollgard II cotton report that sprays have failed. The crop is 150 days old with a good boll load.

757 words, about 4 min 4

Milk fat depression and lameness in a crossbred dairy herd

A 22-cow crossbred dairy (HF x Sahiwal), averaging 17.5 L/day, has seen milk fat fall from 4.1% to 3.0% in three weeks. The ration per cow per day is 7 kg concentrate (maize 45%, mustard cake 25%, wheat bran 22%, mineral mixture 3%, salt 2%, vegetable oil 3%), 22 kg hybrid napier (60 days old) and 5 kg paddy straw.

775 words, about 4 min 5

An adoption claim, selection bias, and a twelve-crore scale-up

The state extension department reports that 1,200 of 4,000 rice households in a district have adopted a new short-duration variety. Adopters average 5.9 t/ha and non-adopters 5.0 t/ha.

729 words, about 4 min