Sustainable Grain Maize Production In A Gliricidia Alley Cropping System
Crop production under Ultisols in the humid tropics is usually limited by N deficiency and acid soil infertility problems. Effectiveness of legume residues as a nitrogen source is generally known to improve crop productivity by enhancing the availability of soil N where chemical fertilizer use of...
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| 格式: | Thesis |
| 语言: | 英语 英语 |
| 出版: |
2007
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| 在线阅读: | http://psasir.upm.edu.my/id/eprint/5489/1/FP_2007_13.pdf |