Section 3
Chapter 2,815

Effect of irrigation and nitrogen on seed yield, uptake, recovery and nitrogen use efficiency of radish (Raphanus sativus L.)

Sharma, S.K.; Raina, J.N.

Seed Research 21(1): 41-44


ISSN/ISBN: 0379-5594
Accession: 002814249

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Field experiments were conducted over 2 years on radish cv. Japanese White grown on a sandy loam soil in Himachal Pradesh using different irrigation (to 30, 60 and 90% of cumulative pan evaporation (CPE)) and N fertilizer (0, 25, 50, 75 and 100 kg N/ha) treatments. N uptake, recovery and use efficiency were determined together with seed yield. Seed yield increased with increasing N application up to 75 kg N/ha. N recovery and use efficiency were optimal at 75 kg N/ha and irrigation to 90% of CPE. With irrigation to 30% of CPE, N use efficiency fell with increasing rate of N used.

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