Nguyễn Văn Tạo1 và ctv2
1Viện Nghiên cứu Chè
2Tham gia có: Đỗ Ngọc Quỹ, Chu Xuân Ái – Trại Thí nghiệm chè Phú Hộ
Từ khoá: ảnh hưởng, bón phân, phân chuồng, phân xanh, tính chất đất, chè
Influence on application FYM and annual pruning matters of leaves and stems to soil chemical characteristics of mature tea garden
Results after 6 years experiment on effects pf organic fertilizers to soil chemical characteristics of grow up tea garden: organic manure leads to soil quality tea improvement, increasing moisture. Mineral base N150P75K75 with annual replenish pruning maters dosage 11.3 tons + 500kg powdered lime per ha increased P content, productivity 15.34%/year, decreased pHKCl in soil. Applying organic manure increased organic C content 0.53-0.82% in depth 0-15cm. organic application has movement K content to more depth soil layer.