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在中国中部的14年小麦-大米旋转系统中,添加草可以提高作物产量,土壤聚合和土壤微生物

Bo Liu¹, Hao Xia², Chaoqiang Jiang²

¹Key Laboratory of Fertilization from Agricultural Wastes, Ministry of Agriculture and Rural Affairs, National Station for Qianjiang Agro-Environment, Institute of Plant Protection and Soil Fertilizer, Hubei Academy of Agricultural Sciences, Wuhan 430064, China.

Plants (Basel, Switzerland)

|April 13, 2024

概括

将草回收与化学肥料相结合,可以显著提高作物产量和土壤健康. 这种做法提高了土壤肥力,聚合物稳定性和农业系统中的微生物多样性.

科学领域:

农业科学农业科学
土壤科学土壤科学
农业学是一种农业学.

背景情况:

草回收是一种可持续的做法,以减少化学肥料的使用.
关于草返回对土壤肥力,总营养成分和微生物群落的影响,数据有限.

研究的目的:

调查不同管理实践对作物产量,土壤肥力和土壤社区组成的影响.
评估长期小麦-大米旋转系统中草返回和化学化肥的综合影响.

主要方法:

进行了为期14年的实地实验,使用了四种治疗方法:控制 (CK),化学肥 (NPK),草回收 (S) 和与化学肥 (NPKS) 结合的草回收.
分析了作物产量,土壤营养含量,土壤有机物,聚合物稳定性和微生物群落多样性.

主要成果:

与CK相比,NPKS处理显著增加了小麦和大米的产量,分别为185.12%和88.02%.
NPKS处理改善了土壤特性,包括土壤有机物 (SOM),总 (TN) 和可用的 (AP),比CK增加了49.12%和129.36%.
添加草改善了宏观聚合物的形成,增加了微生物群落的多样性.

结论:

复合草回收和化学化肥 (NPKS) 是一种高效的策略,用于提高小麦-大米轮换中的作物产量.
这种综合方法提高了土壤的肥力,促进了土壤总体的稳定性,丰富了土壤微生物的多样性,有助于可持续农业.

关键词:

化学肥料是一种化学肥料.微生物社区的微生物社区.土壤肥力土壤聚合物土壤聚合物吸管应用程序吸管应用程序

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