不同类型生物质材料对酸化茶园土壤的改良效果

doi:10.13305/j.cnki.jts.2013.03.009

Abstract

Abstract: The amelioration effects of different biomass materials applied to three acidic tea garden soils were examined with the incubation experiments. The results indicated that the pH of three soils (LC, LG and LX) increased by 0.44, 0.31 and 0.26 units averagely while the contents of soil exchangeable acidity, exchangeable aluminum, total soluble aluminum, and total monomeric aluminum decreased significantly after biomass materials treatment for 45 days. Among different biomass materials, the amelioration effects of cow dung, straw compost and commercial organic fertilizer were more prominent than the others. The straw carbon was more effective than other materials in increasing the exchangeable cation contents and the degree of soil base saturation, as well as the soil cation exchange capacity and soil organic matter contents. These results help to better understand the mechanisms of the amelioration.

Key words: acidic tea garden soil, soil acidity, biomass materials, effects of amelioration

CLC Number:

XIE Shao-hua, ZONG Liang-gang, CHU Hui, WANG Zhang-yi, QIU Xiao-lei, MA Ai-jun, HE Ren-hong. Effects of Different Biomass Materials on the Amelioration of Acidic Tea Garden Soil[J]. Journal of Tea Science, 2013, 33(3): 279-288.

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Effects of Different Biomass Materials on the Amelioration of Acidic Tea Garden Soil

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