Bilaketaren emaitzak - "Organic wastes as fertilizers"
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Recycling organic matter in Asia for fertilizer use report of a study meeting on organic fertilizer (recycling of organic matter) 11th - 21st October, 1982
Argitaratua 1983Gaiak: “...Organic wastes as fertilizer Asia...”
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Handbook of organic waste conversion /
Argitaratua 1980Gaiak: “...Organic wastes as fertilizer....”
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China, recycling of organic wastes in agriculture : report on an FAO/UNDP study tour to the People's Republic of China 28 April-24 May 1977.
Argitaratua 1977Gaiak: “...Organic wastes as fertilizer China....”
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The Role of organic matter in modern agriculture /
Argitaratua 1986Gaiak: “...Organic wastes as fertilizer....”
Liburua