农业机械学报2017，Vol.48Issue(5)：54-62,9.DOI:10.6041/j.issn.1000-1298.2017.05.006
稻麦联合收获开沟埋草一体机播种系统设计与试验
Design and Experiment of Seeding System for Harvest Ditch and Stalk-disposing Machine
摘要
Abstract
With the aim to reach the requirement of combined work harvest with no-tillage seeding,the seeding system matching with harvest ditch and stalk-disposing machine was designed.The seeding system designed included seeding device,furrow opener and throwing soil device.The seeding system used external force feed for sowing of crop and through a set of three link mechanism controlled start-stop.Furrow opener was designed small size no-tillage opener that had arc shovel.The throwing soil device designed included guide plate and extension plate.The experimental results of furrow opener showed that furrow width was 3.1 cm,furrow depth was 3.6 cm and straw of broken rate was 83.4％,and the furrow opener reached requirement of ditching and breaking straw.The experimental results of designed throwing soil device showed that when length of extension board was 12 cm,throwing soil width was 105 cm,thickness of covering soil was 2.2 cm,rate of breaking soil was 97.8％ and uniformity of throwing soil was 91.7％,and throwing soil device reached requirement of seed covering.The paddy direct seeding field experiment of seeding system was done in Hongchang farm,Shengao town,Jiangyan district,Taizhou city,Jiangsu province and in the experiment the sowing in line after rotary tillage(CK1) and the traditional transplant rice seedlings(CK2) was done as control group.The experiment result showed that to dry direct-seeding of dry seed rice,the yield peak was 6 532.4 kg/hm2,when seeding rate was 112.5 kg/hm2.To dry direct-seeding of soaking seed rice,the yield peak was 6 510.0 kg/hm2,when seeding rate was 135 kg/hm2.The yield of paddy direct seeding field was less than that of CK1,but it had no significant difference compared with the yield of CK1.The yield of paddy direct seeding field was less than that of CK2,but the difference value of yield was within a rational range.关键词
免耕播种/联合作业/水稻直播/种沟开沟器/抛土装置/试验Key words
no-tillage seeding/integration of operation/paddy direct seeding/furrow opener/throwing soil device/experiment分类
农业科技引用本文复制引用
秦宽,丁为民,方志超,杜涛涛,赵思琪,王朕..稻麦联合收获开沟埋草一体机播种系统设计与试验[J].农业机械学报,2017,48(5):54-62,9.基金项目
公益性行业(农业)科研专项(201203059) （农业）
