Nitrogen and phosphorus requirement of winged bean (Psophocarpus tetragonolobus (L.) DC.) in Oxisol and Ultisol

Nitrogen and phosphorus requirement of winged bean (Psophocarpus tetragonolobus (L.) DC.) in Oxisol and Ultisol

The response of winged bean (Psoph ocarpus tetragonolobus) to 6 different soil P levels and 3 different soil N levels were compared in two soil types (an Oxisol and an Ultisol) for a period of 4 months. Moderate applications of N and P fertilizers (i.e. 14 kg N/ha and 13 kg P/ha) were found to be op...

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Bibliographic Details
Main Authors: Chulan, Azizah, Omar, Mohammed, Hall, I. R.
Format: Article
Language:English
Published: Malaysian Society of Applied Biology 1986
Online Access:http://psasir.upm.edu.my/id/eprint/39944/
http://psasir.upm.edu.my/id/eprint/39944/1/32%20-%20Nitrogen%20and%20phosphorus%20requirement%20of%20winged%20bean%20%5Bpsophocarpus%20tetragonolobus%20%28l.%29%20Dc.%5D%20In%20oxisol%20and%20ultisol.pdf

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