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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| フォーマット: | 学位論文 |
| 言語: | 英語 英語 |
| 出版事項: |
2007
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| 主題: | |
| オンライン･アクセス: | http://psasir.upm.edu.my/id/eprint/5489/1/FP_2007_13.pdf |