Investigations into the nutritional requirements of unshaded plantation coffee in Papua New Guinea : block E7 factorial fertilizer trial, Aiyura Haes, Eastern Highlands Province, 1986/87 - 1990/1991 /
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| 格式: | 圖書 |
| 語言: | 英语 |
| 出版: |
Kainantu, E.H.P. :
Coffee Industry Corporation, Coffee Research Institute,
1992.
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| 叢編: | Coffee research report ;
no. 8 |
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