Study of suitable fertilizer application for tea tea on ferrasols of Thai Nguyen province
2010
Phan Thi Thanh Huyen, Nguyen Van Toan; Do Nguyen Hai; Nguyen Ngoc Nong
Suitable fertilizer not only saves fertilizer but also raises tea yield. Study includes 9 application formula, from CT1 to CT9, for 10 years old business tea at Tan Thai commune, Dai Tu district, Thai Nguyen province. After 3 years, the results showed that formula CT2, with dose of 320kg N + 120kg P2O5 + 350kg/K2O/ha/year, is the balanced suitable formula. It gave high economic effect and saved fertilizer, also highest yield or 12.81 tons of button/ha, gross profit over 50 millions VND. The ratio N: P2O5 of 2 : 1, 1 is fairly suitable for tea in business stage. Nitrate request of tea tree on ferrasols is very high. It decides tea yield. Nitrate deficiency of ferrasols is confied factor for tea tree in Thai Nguyen province. Besides, N, P, K and S dressing of experimentation are not effect on tea quality in Thai Nguyen.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Informatic Centre for Agriculture and Rural Development