ẢNH HƯỞNG CỦA PHÂN BÓN ĐẾN NĂNG SUẤT VÀ CHẤT LƯỢNG CỎ GHINÊ TRÊN ĐẤT BA VÌ – HÀ TÂY

Lê Bích Đào, Nguyễn Như Hà, Nguyễn Thị Lan¹

¹ Đại học Nông nghiệp I

Từ khoá:  ảnh hưởng, phân bón, năng suất, chất lượng, cỏ ghinê, đất, Ba Vì

Summary

Effect of fertilizer on yield and quality of grass guinease at Bavi – Hatay

Study was carried out on acidic and nutrient deficiency slopped soil., was replicated 3 times with 12 treatments. Results: grass yield was lower in case of applying only 20 tons farm yard manure ha/year. N fertilizer had the best effect on grass yield, increasing 22192 to 37953 kg/ha/year compared to P and K fertilization only. Using organic manure with chemical fertilizer increased grass yield 6600-44533 kg/ha/year. It was found the optimum quantity of fertilizer: 20 tons farm yard manure with 250M, 90P2O5, 120 K2O/ha/year, giving best grass yield of 93005kg/ha/year.