Development and performance evaluation of a wet-resistant strip-till seeder for sowing wheat following rice
文献类型： 外文期刊
作者： Li, Chaosu 1 ; Tang, Yonglu 1 ; McHugh, Allen D. 2 ; Wu, Xiaoli 1 ; Liu, Miao 1 ; Li, Ming 1 ; Xiong, Tao 1 ; Ling, Dong 3 ; Tang, Qing 3 ; Liao, Min 4 ; Du, Shizhou 5 ; Zhu, Jie 6 ; Huang, Yan 6 ;
作者机构： 1.Sichuan Acad Agr Sci, Crop Res Inst, Sichuan Key Lab Water Saving Agr Hill Areas South, Sichuan Key Lab Green Germplasm Innovat & Genet I, Chengdu 610066, Sichuan, Peoples R China
2.Univ Southern Queensland, Ctr Agr Engn, Toowoomba, Qld 4350, Australia
3.Xiangyang Acad Agr Sci, Xiangyang 441057, Hubei, Peoples R China
4.Xihua Univ, Inst Modern Agr Equipment, Chengdu 610039, Sichuan, Peoples R China
5.Anhui Acad Agr Sci, Crop Res Inst, Hefei 230031, Anhui, Peoples R China
6.Sinochem Agr Holdings Co Ltd, Beijing 100032, Peoples R China
关键词： Strip-till seeder; Wheat following rice; Residue retention; Seedling establishment
期刊名称：BIOSYSTEMS ENGINEERING （ 影响因子：5.1； 五年影响因子：5.5 ）
ISSN： 1537-5110
年卷期： 2022 年 220 卷
页码：
收录情况： SCI
摘要： Seedling establishment is critical for grain yield and net benefits of wheat in wet clay soil after puddled rice harvest in the Yangtze River basin (YRB) of China. A wet-resistant rotary strip-till seeder (WR seeder) was developed to drill seeds in zero tillage (ZT) conditions with complete rice residue mulching. The rotary blades adopted were medium radius C type blades creating a 50-60 mm wide and 30-50 mm deep furrow for seed placement. The pressing roller, usually used in the traditional wheat seeders, has been replaced by two ground wheels covered in rubber to reduce the mud adhesion. Moreover, a stainless-steel chain was installed behind the machine for better seed covering with soil. Based on three-year long field comparisons with the traditional deep tillage seeder (DT seeder) and a rototiller disc-type seeder with shallow tillage (SHT seeder), the six-row WR seeder significantly enhanced seedling establishment, and reduced energy consumption by 51.3% and 24.5%, respectively. The WR seeder also conserved the topsoil moisture. Over three years, the WR seeder produced similar grain yield to the SHT seeder, but 3.1% more than the DT seeder. Moreover, the net profit with WR seeder increased by 39.4% and 0.9% compared to the DT and SHT seeders, respectively. Furthermore, comparisons across the YRB also confirmed the positive effects of the WR seeder on grain yield and economic benefits over the conventional seeding practices. Thus, it was demonstrated that the improved seeder is an optimal option to enhance the RW system productivity in the YRB. (c) 2022 The Author( s). Published by Elsevier Ltd on behalf of IAgrE. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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