Anhui Agricultural Science Bulletin >
2026 , Vol. 32 >Issue 4: 21 - 23
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2026.04.005
Research progress on the yield-increasing effect of wide-precision sowing technology for wheat
Received date: 2025-04-27
Online published: 2026-02-11
This paper systematically reviewed and analyzed the characteristics of wheat wide-precision sowing technology and its impacts on wheat growth and yield. As a high yield sowing technology centered on expanding sowing width and increasing row spacing (the planting row spacing was increased to 22–25 cm and the sowing width was expanded to 8–10 cm), it adopted the method of dispersed grain sowing (with a seeding rate of 112.5 kg/hm²). This technology enabled precise and uniform sowing of wheat seeds as well as one-time soil compaction operation, while reducing production costs. The specific effects of this technology on wheat growth and yield were as follows: under this technical mode, wheat seedlings emerged evenly with consistent growth, which improved seed survival rate and seedling emergence rate; it effectively optimized the ventilation and light transmission conditions among wheat plants, and the above-ground and below-ground indexes of wheat, such as tiller number, heading rate, root length density and root weight density, were all higher than those under conventional sowing; it fully utilized light resources, improved the utilization efficiency of water and fertilizers, and realized the efficient utilization of environmental resources; it significantly increased yield-related indexes including grain weight per spike and 1 000-grain weight of wheat, thus achieving the goal of high yield. This paper aims to provide a reference for the further popularization and application of wide-precision sowing technology for wheat by integrating existing research findings.
Key words: wheat; wide-precision sowing; population structures; resource utilization
Wang Jinxing , Wang Ying , Hu Jiaojiao . Research progress on the yield-increasing effect of wide-precision sowing technology for wheat[J]. Anhui Agricultural Science Bulletin, 2026 , 32(4) : 21 -23 . DOI: 10.16377/j.cnki.issn1007-7731.2026.04.005
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