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s h chien
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Cilt sonuçları
Direct application of phosphate rock and related appropriate technology-latest developments and practical experiences
S. H. Chien · International Center for Soil Fertility Elopm
411 sayfa · 2003
Congresses / Phosphatic fertilizers / Phosphate rock
Agronomic evaluation of partially acidulated phosphate rocks in the tropics
S. H. Chien · International Fertilizer Development Center
10 sayfa · 1988
Evaluation / Phosphate rock / Phosphatic fertilizers