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Influence of dates of sowing on Brassica species under semi-arid rainfed conditions of north-west India

Published online by Cambridge University Press:  27 March 2009

G. Saran  and
G. Giri
G. Saran
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi-110 012, India
G. Giri
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi-110 012, India
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Summary

Field experiments conducted during the winter seasons of 1982–3 and 1983–4 in semi-arid rainfed conditions of north-west India indicated that sowing of Brassica species at the right time can considerably increase productivity. Sowing in the middle of October with daily mean temperatures around 26 °C produced 1·5 t/ha against 0·9 t/ha obtained from the crops sown 1 month later with daily mean temperatures around 20 °C. Under such conditions Brassica juncea cv. Pusa Bold (medium in stature and duration and bold seeded) gave the highest (1·66 t/ha) yield. Eruca sativa could withstand sowing at still lower temperature (19 °C). Increasing temperatures in the second fortnight of February adversely affected the productivity of a late-sown crop by reducing the reproductive phase.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 108 , Issue 3 , June 1987 , pp. 561 - 566
Copyright
Copyright © Cambridge University Press 1987

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References

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