STUDY ON WATER RETENTION AGENT AND BIOCHAR APPLICATION BASED ON SOIL CONSERVATION IN KARST ORCHARDS

文献类型： 外文期刊

第一作者： Xu, Te

作者： Xu, Te;Fang, Xiaotong;Wang, Qianju;Long, Man;Yuan, Teng;Xiao, Chun

作者机构：

关键词： Karst Mountain; Water retention agent; Plant; Soil nutrients; Soil structure

期刊名称：PAKISTAN JOURNAL OF BOTANY （ 影响因子：0.9； 五年影响因子：1.0 ）

ISSN： 0556-3321

年卷期： 2025 年 57 卷 3 期

页码：

收录情况： SCI

摘要： Karst mountain region presents a formidable challenge for agriculture, given its intricate geological formations and distinctive soil characteristics. The soil in this region exhibits high porosity, facilitating rapid water infiltration and subsequent moisture loss. In this study, the effects of compound water retention agents on soil structure and fruit tree photosynthesis in Karst mountain was investigated by setting different application rates of water retention agents and biochar.The findings indicated a significant improvement in soil structure, water regulation capacity, and plant photosynthetic growth in the soil treated with water retention agents compared to the control group (referred to as ck, set without water retention agents). After the application of water retention agents, the soil's capacity for retaining and transporting water was significantly enhanced, thereby improving the growth environment and promoting crop growth. Based on soil regulation and plant growth perspectives, an application rate of 95 g/m3 PAM or 122 g/m(3) KPAA was determined to be the most suitable under the experimental conditions.

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