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Showing items 73 through 79 of 79.LandLibrary Resource
30 Novembre 1982
Italie
An international journal of forestry and forest industries
LandLibrary Resource
30 Novembre 1982
Revista internacional de silvicultura e industrias forestales
LandLibrary Resource
30 Novembre 1982
Égypte, Nigéria, Iraq, Australie, Ghana, Congo, Sierra Leone, Cameroun, Nouvelle-Zélande, Rwanda, Philippines, Afrique du Sud, Viet Nam, Japon, Madagascar, Tanzania, Inde, Roumanie, Brésil, Cuba
In view of the continuing increase in cost and scarcity of mineral fertilizers resulting from the use of high-cost fossil energy, there is renewed interest in organic recycling and biological nitrogen-fixation to improve soil fertility and productivity.
LandLibrary Resource
03 Décembre 1982
Chine, Asie, Asie orientale
LandLibrary Resource
01 Septembre 1982
Zambia
Agricultural Land Tenure in Zambia. Perspectives, Problems and Opportunities
1982
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