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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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Malaysian Society of Applied Biology
1986
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| Online Access: | 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 http://psasir.upm.edu.my/id/eprint/39944/ |
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| Institution: | Universiti Putra Malaysia |
| Language: | English |
| Summary: | 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 optimum for maximum plant growth in the Serdang soil. However. Munchong soils were found to support just as much growth as Serdang when higher levels of P were applied
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