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Effects of irrigation schedules on yield of mustard brassica juncea

Prihar, S.S.; Sandhu, K.S.; Khera, K.L.; Sandhu, B.S.

Experimental Agriculture 17(1): 105-111

1981


ISSN/ISBN: 0014-4797
DOI: 10.1017/s0014479700011297
Accession: 005310708

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In a 3 yr field study with mustard (B. juncea L.) on deep well-drained sandy loam and loamy sand soils, 11 post-sowing irrigation schedules based on pan evaporation and growth stages were compared. One irrigation 3 wk after sowing gave maximum grain yield and water use efficiency, increasing yield 40% in 1973-1974 and 30% in 1976-1977 compared with no irrigation. The total water use in this treatment averaged 31.2 cm, of which 15.8 was extracted from the 0-180 cm soil profile. Use of soil water by the crop decreased with the amount of post-sowing irrigation. More than 1 post-sowing irrigation tended to decrease yield and water use efficiency.

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