00879nam a2200217Ia 4500 CTU_120498 210402s9999 xx 000 0 und d 12500 631.4 V600 Nguyễn, Vy Hiểu đất và biết bón phân Nguyễn Vy, Phạm Thúy Lan Hà Nội Lao động - Xã hội 2006 Hiểu về đất để tìm cách sử dụng hợp lý đất, đồng thời bổ sung đúng cách đúng lúc vào đất nguồn dinh dưỡng cho cây trồng là yếu tố quyết định thắng lợi của sản xuất nông nghiệp Soil science Research M.Loan Trung tâm Học liệu Trường Đại học Cần Thơ
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