China : Recycling of organic wastes in agriculture :Report, 1977
Food and Agriculture Organization of the United Nations
China : Recycling of organic wastes in agriculture :Report, 1977 - Rome FAO 1977 - 107 p. - No. 40; FAO, Soils Bulletin .
China : Recycling of organic wastes in agriculture :Report, 1977 - Rome FAO 1977 - 107 p. - No. 40; FAO, Soils Bulletin .