Effects of Applying Humic Fertilizers on Tea's Yield, Nutritional Quality and Soil Fertility in a Tea Garden

文献类型： 外文期刊

第一作者： Huang, Dongfeng

作者： Huang, Dongfeng;Wang, Limin;Luo, Tao

作者机构：

关键词： Humic acid fertilizers;Tea;Yield;Nutritional quality;Soil fertility

期刊名称：PROCEEDINGS OF THE 2016 3RD INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING, MANUFACTURING TECHNOLOGY AND CONTROL

ISSN： 2352-5401

年卷期： 2016 年 67 卷

页码：

收录情况： SCI

摘要： A field trial with 2 kinds of humic acid fertilizers (i.e., humic acid and weathered coal) being added to the balance use of nitrogenous, phosphorus and potassium fertilizers for 3 years was carried out to test effects of tea's yield, nutritional quality and soil fertility in a tea garden. And 4 treatments were designed, i.e., (1) Chemical fertilizers (N 103 kg.hm(-2).a(-1), P2O5 34 kg.hm(-2).a(-1) and K2O 34 kg.hm(-2).a(-1), following was the same); (2) Chemical fertilizers (same as (1))+ Humic acid (2000 kg.hm(-2).a(-1)), (3) Chemical fertilizers (same as (1))+ weathered coal(1500 kg.hm(-2).a(-1)), (4) Chemical fertilizers (same as (1))+ Humic acid(1000 kg.hm(-2).a(-1))+ weathered coal(750 kg.hm(-2).a(-1)). Results show that, under the condition of humic acid fertilizers being used in tea garden, tea's yield and tea polyphenols were increased by 3.19%similar to 14.24% and 5.21%similar to 10.73%, respectively; Soil pH, organic matter, total nitrogen, total phosphorus, total potassium, alkali-hydrolyzable nitrogen, available phosphorus and potassium were increased by 2.97%similar to 18.61%, 8.86%similar to 27.22%, 9.80%similar to 45.10%, 6.12%similar to 40.82%, 4.52%similar to 40.16%, 8.81%similar to 45.75%, 0.62%similar to 67.55% and 5.56%similar to 36.09%, respectively. Whereas, effects of increasing tea's yield, tea polyphenols and soil alkali-hydrolyzable nitrogen by treatment of "chemical fertilizer + humic acid + weathered coal" were better than other treatments; Effects of increasing soil organic matter, total nitrogen, total phosphorus, total potassium, available phosphorus and potassium by treatment of "chemical fertilizer + humic acid" were better than other treatments; And the effect of enhancing soil pH by treatment of "chemical fertilizer + weathered coal" was better than other treatments.

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