00817nam a2200217Ia 4500 CTU_123037 210402s9999 xx 000 0 und d 10.62 633.18894 I.71 International Network on Soil Fertility and Fertilizer Evaluation for Rice. Meeting Efficiency of nitrogen fertilizers for rice : proceedings of the Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, Griffith, New South Wales, Australia, 10-16 April 1985 Laguna, Philippines International Rice Research Institute 1987 Rice,Nitrogen fertilizers Fertilizers M.Loan Trung tâm Học liệu Trường Đại học Cần Thơ