West Pakistan soil fertility survey and soil testing institute /Peshawar/.
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| Format: | Texto biblioteca |
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1968
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| Subjects: | PL TPB, SOIL ANALYSIS, SOIL FERTILITY, FERTILIZERS, TESTING, EXPERIMENTATION, WHEATS, ANALYSE DE SOL, FERTILITE DU SOL, ANALISIS DEL SUELO, FERTILIDAD DEL SUELO, ENGRAIS, TESTAGE, BLE, ABONOS, ENSAYO, EXPERIMENTACION, TRIGO, |
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