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牛及其生物炭对Populus euphratica土壤的有效性,细菌群落的多样性和转化功能基因的不同影响

Yuxian Fan^1,2,3, Guanghui Lv^1,2,3, Yudong Chen^1,2,3

¹College of Ecology and Environment, Xinjiang University, Urumqi, China.

Frontiers in plant science

|October 2, 2023

概括

碳化牛 (生物炭) 显著提高了土壤的可用性和微生物多样性. 与直接使用牛相比,优弗拉提卡种植园. 这样可以改善幼苗的营养吸收.

科学领域:

土壤科学土壤科学
微生物学微生物学
农业学是一种农业学.

背景情况:

连续单一栽培耗尽土壤的营养,降低了种植园的生产力.
牛是一种可再生资源,可以改善土壤营养状况.
了解牛返回方法对于可持续农业至关重要.

研究的目的:

为了比较直接牛糞回报率与碳化牛糞 (生物炭) 回报率.
评估对土壤微生物群落和可用性的影响.
调查对P.P.的影响. 在根系球和非根系球土壤中的euphratica苗.

主要方法:

用P.P.进行实地实验. 欧弗拉蒂卡树苗.幼苗.
应用7.5牛和生物炭.
对土壤微生物群落,含量 (Olsen-P) 和功能基因 (phoC,pqqc) 的分析.

主要成果:

生物炭处理显著增加了可用的 (Olsen-P) 的134% (层) 和110% (非层).
生物炭增强了细菌的多样性 (Shannon和Chao1指数) 和丰富的酸盐溶解细菌 (Sphingomonas,Lactobacillus).
在土壤和植物中都观察到含量增加. 在生物炭处理下的euphratica苗木.

结论:

碳化牛 (生物炭) 返回比直接牛返回更有效地改善土壤的可用性.
生物炭对土壤微生物群落产生积极影响,包括关键的溶解细菌.
这些发现强调生物炭是提高土壤肥沃性和植物生长的优越补充剂. 优弗拉蒂斯河种植园.

关键词:

P 的有效性.P 是一个功能性基因.牛糞是一個生物碳.微生物多样性的微生物多样性酸盐溶解细菌是一种可溶性细菌.

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