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Effect of nitrogen and phosphorus on the production potential of pearl millet–cow pea or green gram intercropping systems under rainfed conditions

Published online by Cambridge University Press:  27 March 2009

S. K. Kaushik  and
R. C. Gautam
S. K. Kaushik
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi–110012, India
R. C. Gautam
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi–110012, India
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Summary

Results are described of an experiment involving various pearl millet–cow pea or green gram planting and interplanting systems under four levels of nitrogen and two levels of phosphorus. Planting of pearl millet in paired rows of 30 and 70 cm gave as much yield as normal planting in uniform rows of 50 cm. The productivity per unit area was increased considerably when pearl millet was interplanted with one row of cow pea or green gram. Cow pea gave higher yield than green gram. Nitrogen fertilizer increased pearl millet as well as intercrops yield significantly. Pearl millet responded up to 60 kg N/ha and intercrops up to 30 kg N/ha. Phosphorus fertilizer did not produce marked improvement in either growth or yield of pearl millet. Application of 40 kg P2O5/ha increased grain yield of intercrops significantly

Type
Research Article
Information
The Journal of Agricultural Science , Volume 108 , Issue 2 , April 1987 , pp. 361 - 364
Copyright
Copyright © Cambridge University Press 1987

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