Effect of Organic Manure on Crop Yield, Soil Properties, and Economic Benefit in Wheat-Maize-Sunflower Rotation System, Hetao Irrigation District
文献类型： 外文期刊
作者： Zhao, Na 1 ; Ma, Jun 2 ; Wu, Linmei 2 ; Li, Xiaohong 2 ; Xu, Hongwei 3 ; Zhang, Jun 4 ; Wang, Xiquan 1 ; Wang, Yongqiang 1 ; Bai, Lanfang 1 ; Wang, Zhigang 1 ;
作者机构： 1.Inner Mongolia Agr Univ, Coll Agron, Hohhot 010019, Peoples R China
2.Bayannur Acad Agr & Anim Sci, Baynnur 015400, Peoples R China
3.Inner Mongolia Hetao Irrigat Dist Water Conservanc, Baynnur 015000, Peoples R China
4.Inner Mongolia Acad Agr & Anim Husb Sci, Hohhot 010031, Peoples R China
关键词： manure; soil properties; crop rotation; economic income; sustainable agriculture; crop yield
期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）
ISSN： 2223-7747
年卷期： 2024 年 13 卷 16 期
页码：
收录情况： SCI
摘要： The combined application of manure and mineral fertilizer represents an effective strategy for enhancing crop yield. However, the relationship between soil fertility and crop yield remains unclear in saline-alkaline soil. Here, a 9-year field experiment (2015-2023) was conducted to investigate the effects of manure application and crop rotations on crop yield and economic efficiency as well as potential associated mechanisms in the Hetao Irrigation District. The results showed that in the third cropping rotation cycle, combined application of manure and mineral fertilizers (NPKO) caused a 6.2%, 38.9%, 65.3%, and 132.2% increase in wheat, sunflower, wheat equivalent yield, and the economic income of sunflower, respectively. The average grain yield had a positive correlation with soil organic matter and nutrient supply. This suggested that the soil organic matter had a positive effect on the crop yield due to its impact on nutrient supply. Simultaneously, the sunflower seed setting rate increased by 65.2% under NPKO. The linear regression model revealed that each additional input of 20 Mg ha-1 of manure resulted in an increase of 3.56 kg ha-1 in crop phosphorus harvest and a 0.05 Kg ha-1 increase in wheat equivalent yield compared to NPK. In conclusion, our results highlighted that manure application promotes soil properties and improves crop yield.
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