The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Drip fertigation significantly increased crop yield, water productivity and nitrogen use efficiency with respect to traditional irrigation and fertilization practices: A meta-analysis in China
Abstract
Abstract Improving irrigation and fertilization management for greater productivity is critical to address water scarcity. Drip fertigation can synchronize the water and nitrogen (N) supply with crop demand, offering the potential for enhanced water productivity (WP) and nitrogen use efficiency (NUE). To quantitatively assess the efficacy of drip fertigation and identify the main affecting factors, we used a meta-analysis to evaluate the effects of drip fertigation on the yield, WP and NUE under different conditions and to quantify the irrigation water saving potential (WSP) and N saving potential (NSP) of drip fertigation. Our results showed that, overall, drip fertigation led to significantly higher yields (12.0%), WP (26.4%) and NUE (34.3%), while significantly decreased crop evapotranspiration (ET) by 11.3%, compared to farmers’ practices referring to traditional irrigation by furrow or flood and fertilization by broadcasting N fertilizer (broadcasting N fertilizer without irrigation in rainfed farming). However, the extent of improvement highly depended on crop types and was subject to edaphic, climatic and managerial factors. Among crop types, potato showed the highest increase in yield (40.3%) and WP (100.3%), and fruit showed the highest increase in NUE (68.2%). At a regional scale, drip fertigation performed best in semiarid regions. In addition, irrigation water inputs had large effects (P
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Metadata
- Authors
- Li, H., Mei, X., Wang, J., Huang, F., Hao, W., & Li, B.
- Venue
- Agricultural Water Management
- Publisher
- Elsevier BV
- Published
- 2021-02
- Volume
- 244
- Pages
- 106534
- ISSN
- 0378-3774 (ISSN-L)
- OpenAlex
- W3091070966
- Cited by
- 284
- References
- 42
- FWCI
- 2.22
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, H., Mei, X., Wang, J., Huang, F., Hao, W., & Li, B. (2021). Drip fertigation significantly increased crop yield, water productivity and nitrogen use efficiency with respect to traditional irrigation and fertilization practices: A meta-analysis in China. Agricultural Water Management. https://doi.org/10.1016/j.agwat.2020.106534
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