Yazar
Gustavo Sain
2 cilt bulundu.
Cilt sonuçları
Cover crops in hillside agriculture
Daniel Buckles, Daniel Buckles, Bernard Triomphe, Gustavo Sain · International Maize and Wheat Improvement Center
224 sayfa · 1998
Maize / Farmers / Intercropping / Agricultural systems / Green manure crops
Desafios presentes y futuros del medio ambiente y la productividad en la agroempresa centroamericana
Gustavo Saín · INCAE
96 sayfa · 1994
Agricultural industries / Agriculture / Conservation of natural resources / Environmental aspects / Environmental aspects of Agriculture