Optimized farmland mulching improves alfalfa yield and water use efficiency based on meta-analysis and regression analysis

Yin, Minhua; Yin, Ma; Kang, Young-Kil; Jia, Qingxuan; Qi, Guangping; Wang, Jinghai; Yang, Chao; Yu, Jianxiong

doi:10.1016/j.agwat.2022.107617

Cited by 8 publications

(1 citation statement)

References 38 publications

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“…Despite increasing the annual output and planting area of alfalfa, China still has an approximately 25% gap in alfalfa forage production that is filled by importation (Wang, 2022). Alfalfa is planted in arid and semi‐arid areas and saline alkali lands widely where rainfall resources are scarce (Yin et al, 2022). The long‐term cultivation of alfalfa would require substantial water resources throughout its life cycle, which depletes the soil water storage capacity leading to a dry soil profile.…”

Section: Introductionmentioning

confidence: 99%

Interspecific competition and productivity in a dryland silage maize/alfalfa intercropping system

Yu-huan

et al. 2023

Food and Energy Security

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Section: Introductionmentioning

confidence: 99%

Interspecific competition and productivity in a dryland silage maize/alfalfa intercropping system

Yu-huan

et al. 2023

Food and Energy Security

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Quantitative evaluation of soil water balance under a ridge‐furrow rainwater harvesting system in Chinese rainfed agroecosystem

Zhang,

Liu

et al. 2024

J Sci Food Agric

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BACKGROUNDThe ridge‐furrow rainwater harvesting system (RFRH) is an advanced farmland management technology that plays a vital role in making full use of rainwater resources. However, it is not clear that RFRH affects crop yield and water use efficiency (WUE) by regulating soil water storage (SWS). Therefore, the present study conducted a meta‐analysis to make a large compilation of previous studies and indirectly quantify the impact of RFRH on crop yield and WUE by analysing the effect of RFRH on SWS.RESULTSThe results showed that RFRH improved crop yield and WUE by 26.71% and 25.86%, respectively, by increasing SWS by 3.93% compared to the traditional flat cultivation. RFRH had a significant effect on increasing crop yield and WUE and improving SWS. A low ridge‐furrow ratio and ridge‐furrow mulching were recommended to obtain positive effects on crop yield and WUE when potatoes are grown in areas with high precipitation (600–800 mm). Furthermore, when nitrogen fertilization is applied during the crop growth period, we also found that a medium nitrogen fertilizer rate is recommended to achieve a significant positive effect on crop yield and WUE. Importantly, a win‐win analysis showed the proportions of various groups in the target zone (zone I) to determine the appropriate strategy for RFRH of crops.CONCLUSIONThe present study provides a scientific reference for the future application of the RFRH. The study provides scientific recommendations on crop types, ridge‐furrow configurations, plastic mulching patterns and nitrogen fertilizer rate for future RFRH applications. © 2024 Society of Chemical Industry.

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Alfalfa water productivity and yield gaps in the U.S. central Great Plains

Fink

Grassini

Rocateli

et al. 2022

Field Crops Research

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Optimized farmland mulching improves alfalfa yield and water use efficiency based on meta-analysis and regression analysis

Cited by 8 publications

References 38 publications

Interspecific competition and productivity in a dryland silage maize/alfalfa intercropping system

Interspecific competition and productivity in a dryland silage maize/alfalfa intercropping system

Quantitative evaluation of soil water balance under a ridge‐furrow rainwater harvesting system in Chinese rainfed agroecosystem

Alfalfa water productivity and yield gaps in the U.S. central Great Plains

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