Side Deep Fertilizing of Machine-Transplanted Rice to Guarantee Rice Yield in Conservation Tillage

Qi-Xia Wu, Bin Du, Shuo-Chen Jiang, Hai-Wei Zhang and Jian-Qiang Zhu
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Qi-Xia Wu: College of Agriculture, Yangtze University, Jingzhou 434025, China
Bin Du: College of Agriculture, Yangtze University, Jingzhou 434025, China
Shuo-Chen Jiang: College of Agriculture, Yangtze University, Jingzhou 434025, China
Hai-Wei Zhang: College of Agriculture, Yangtze University, Jingzhou 434025, China
Jian-Qiang Zhu: College of Agriculture, Yangtze University, Jingzhou 434025, China

Agriculture, 2022, vol. 12, issue 4, 1-12

Abstract: Conservation tillage is an environmentally friendly and economical farming method, but its impact on rice yield is controversial. Artificially applied side deep fertilizing of machine-transplanted rice is when fertilizer is applied to the deep soil along with the machine transplantation of rice; this may improve the fertilizer utilization rate and rice yield and eliminate the possible negative effects of conservation tillage on rice yield. Using on machine-transplanted rice, this study aims to compare the effects of side deep fertilizing (SDF). We investigated the effects of artificially applying fertilizer (AAF) on rice growth and yield under conventional tillage (CT), reduced tillage (RT), and no tillage (NT). The rice root activity, root dry weight, leaf area index (LAI), net photosynthetic rate (Pn), chlorophyll content, panicle density, spikelets per panicle, and yield were all ranked as NT > RT > CT and SDF > AAF. The 1000-grain weight was also ranked as SDF > AAF. In addition, under NT conditions, the positive effect of SDF on rice growth and yield was higher than under RT and CT conditions. In general, conservation tillage combined with SDF saved costs and increased rice yield.

Keywords: reduced tillage; no tillage; side deep fertilizing of machine-transplanted rice; root function; photosynthesis (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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