Email this article EFFECTS OF SLOW-RELEASE FERTILIZER ON THE YIELD AND ECONOMIC EFFICIENCY OF COMMERCIAL TEA PLANTATION IN DONG HY DISTRICT, THAI NGUYEN PROVINCE
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Published: 24/01/17Authors
1. Tran Quoc Toan
, College of Education – TNU2. Nguyen Thanh Tung, Institute of Chemistry – Vietnam Academy of Science and Technology
3. Nguyen Trung Duc, Institute of Chemistry – Vietnam Academy of Science and Technology
4. Do Cong Hoan, Institute of Chemistry – Vietnam Academy of Science and Technology
5. Nguyen Thu Huong, Lactrung Technology and Trading Services Limited Company
Abstract
This study was carried out to evaluate the effect of slow - release NPK fertilizer on the yield and economic efficiency of the tea plantation in Dong Hy district, Thai Nguyen province.
The experiment was performed on LDP1 tea varieties in 2015 with four different levels of fertilizer and control. The abtained results showed that slow - release NPK fertilizer with dose of 180 kg N/ha, 60 kg P2O5/ha, 60 kg K2O/ha (60% recommended dose) was the best treatment, highest yield and economic efficiency.
Keywords
Commercial tea, slow-release fertilizer, NPK, yield, economic efficiency
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