DONG Fei, YAN Qiuyan, LI Feng, et al. Effects of Wide Ridge and Furrow Planting on Growth and Water Use Efficiency of Summer Maize[J]. 2019, 33(5): 266-271.
DOI:
DONG Fei, YAN Qiuyan, LI Feng, et al. Effects of Wide Ridge and Furrow Planting on Growth and Water Use Efficiency of Summer Maize[J]. 2019, 33(5): 266-271. DOI: 10.13870/j.cnki.stbcxb.2019.05.039.
Effects of Wide Ridge and Furrow Planting on Growth and Water Use Efficiency of Summer Maize
The effects of planting model on the water use efficiency and yield composition of summer maize under irrigated land conditions were discussed in order to provide a basis for high and stable yield cultivation of summer maize. Denghai 685 was used as the experimental material
the effects of different planting densities (6.00×104
6.75×104
7.50×104 plants/hm2) on the growth and development
yield
nutrient absorption and water utilization rate of summer maize under wide ridge and furrow planting and equal row spacing horizontal planting models were studied. The results showed that the furrow planting increased the plant height and reduced the stem diameter and dry matter weight per plant. For the summer maize of furrow planting mode
the panicle traits were better than that of planar planting
single panicle weight increased
and was less affected by planting density
showing obvious edge row advantage. The relative chlorophyll content of maize leaves in furrow planting mode was always higher than that in planar planting mode
and the growth period was extended
which provided material guarantee for the later grain formation. When the planting density was 7.50×104 plants/hm2
summer maize yield in furrow planting mode was the highest. In the furrow planting mode
the irrigation water amount of summer maize decreased by 52.9% compared with planter planting
the irrigation time decreased by 50.1%
the average daily evaporation reduced
and the water content was higher than that of the planter planting. As a result
the utilization efficiency of irrigation water increased by 139.5% and the average water utilization efficiency increased by 16.7%. Wide ridge and furrow planting was a water-saving planting mode for increasing yield and efficiency of summer maize
which could significantly improve water use efficiency of maize.
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Related Author
SUN Jialu
QI Zhijuan
LI Mo
SONG Fang
XU Jingwen
WANG Ziwen
LUO Xinbo
HAN Weixiao
Related Institution
Key Laboratory of Efficient Utilization of Agricultural Water Resources, Ministry of Agriculture and Rural Affairs, Northeast Agricultural University
School of Water Conservancy and Civil Engineering, Northeast Agricultural University
College of Civil and Architectural Engineering, Xi′an University of Technology, Xi′an
School of Geographical Sciences and Tourism, Shaanxi Normal University, Xi′an
School of Life Sciences, Yan′an University, Yan′an