00675nam a2200205Ia 4500 CTU_143940 210402s9999 xx 000 0 und d 8.95 631.8 C772 Cooke, G. W. Fertilizing for maximum yield G. W. Cooke New York Hafner 1972 This book has developed from many discussions with colleagues at Rothamsted, members of sraffs of Universities and the agricultural advisory services in Britain, and farmers. Phân bón,Fertilizers Giang Trung tâm Học liệu Trường Đại học Cần Thơ