Sui Junkang, Wang Chenyu, Ren Changqing, Hou Feifan, Zhang Yuxuan, Shang Xueting, Zhao Qiqi, Hua Xuewen, Liu Xunli, Zhang Hengjia
College of Agriculture and Biology, Liaocheng University, Liaocheng 252000, China.
Liaocheng Science and Technology Bureau, Liaocheng 252000, China.
Microorganisms. 2024 Aug 10;12(8):1638. doi: 10.3390/microorganisms12081638.
Wheat production is intrinsically linked to global food security. However, wheat cultivation is constrained by the progressive degradation of soil conditions resulting from the continuous application of fertilizers. This study aimed to examine the effects of deep tillage on rhizosphere soil microbial communities and their potential role in improving soil quality, given that the specific mechanisms driving these observed benefits remain unclear. Soil fertility in this research was evaluated through the analysis of various soil parameters, including total nitrogen, total phosphorus, total potassium, available phosphorus, and available potassium, among others. The high-throughput sequencing technique was utilized to examine the rhizosphere microbial community associated with deep tillage wheat. The findings indicated that deep tillage cultivation of wheat led to reduced fertility levels in the 0-20 cm soil layer in comparison with non-deep tillage cultivation. A sequencing analysis indicated that Acidobacteria and Proteobacteria are the dominant bacterial phyla, with Proteobacteria being significantly more abundant in the deep tillage group. The dominant fungal phyla identified were Ascomycota, Mortierellomycota, and Basidiomycota. Among bacterial genera, , , and were predominant, with showing a significantly higher presence in the deep tillage group. The predominant fungal genera included , , , and . Deep tillage cultivation has the potential to enhance soil quality and boost crop productivity through the modulation of soil microbial community structure.
小麦生产与全球粮食安全有着内在联系。然而，由于持续施肥导致土壤条件逐渐退化，小麦种植受到了限制。鉴于驱动这些观察到的益处的具体机制仍不清楚，本研究旨在探讨深耕对根际土壤微生物群落的影响及其在改善土壤质量方面的潜在作用。本研究通过分析各种土壤参数来评估土壤肥力，包括全氮、全磷、全钾、有效磷和有效钾等。利用高通量测序技术研究了与深耕小麦相关的根际微生物群落。研究结果表明，与非深耕种植相比，小麦深耕种植导致0-20厘米土层的肥力水平降低。测序分析表明，酸杆菌门和变形菌门是主要的细菌门，变形菌门在深耕组中明显更为丰富。鉴定出的主要真菌门为子囊菌门、被孢霉门和担子菌门。在细菌属中，[此处原文缺失细菌属名称]、[此处原文缺失细菌属名称]和[此处原文缺失细菌属名称]占主导地位，[此处原文缺失细菌属名称]在深耕组中的存在显著更高。主要的真菌属包括[此处原文缺失真菌属名称]、[此处原文缺失真菌属名称]、[此处原文缺失真菌属名称]和[此处原文缺失真菌属名称]。深耕种植有可能通过调节土壤微生物群落结构来提高土壤质量和作物生产力。
