Abstract
AbstractMore than half of the total production of tea [Camellia sinensis (L.) Kuntze] in China is produced in the Guizhou province. However, in this region soils generally have low soil fertility, so new techniques to improve the productivity and fertility are needed. The aim of this study was to evaluate the effects of application of seven types of humic acid‐based organic–inorganic compound fertilizer (HTOF) on tea quality and productivity. Two different cultivars of tea (cultivars Shiqiantaicha and Fudingdabaicha) were used as model plants. In the research, seven different HTOF fertilizers were tested at two sites. Application of the HTOF increased soil pH to a range closer to that most suitable for the growth of tea plants and relatively increased soil organic matter, ammonium‐N, inorganic P, and extractable K. In addition, HTOF increased tea bud weights and density. Application of HTOF‐1 also produced the best responses among all products tested. Findings from this study indicate that formula is recommended for application during the production of young C. sinensis tea plants.
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