本公司多年吸收先进经验，并经大田反复多次试验改进而成的集开沟，施肥，播种，旋耕起垄，喷药，覆膜, 滴灌一次性完成马铃薯种植的播种机械。
该机具有肥种分别开沟播施，起垄宽度，行距，株距，种植深度，施肥深度随时可调，双行播种成三角型状分布，更有利于作物吸收光合作用。达到了既不伤种，又可根据不同地区用户要求随时调整而获得更好的增产丰收效果。该机自投放市场以来，深受广大用户欢迎，同时又将农业经济作物播种机械化向前推进一步。
该机可与任何品牌的﹙有后动力输出的﹚18.3～29.4kW马力的农用四轮拖拉机配套作业。主要由承载轮、三点悬挂牵引机身、开沟、传动、播种、施肥、起垄、喷药、覆膜装置、滴灌等部件组成。整机前部三点悬挂和传动万向节与拖拉机后部连接及后输出动力接合后，拖拉机前行，承载轮转动驱使播种驱动轴和施肥驱动轴转动完成播种施肥。同时后输出动力经万向节传动通过变速箱输送给旋耕轴动力完成起垄。后部覆膜装置随机前行将地膜覆盖在经喷药后的垄上完成播种全过程。
配套型式： 三点悬挂式
动力传输型式：传动轴
传动机构型式：链条传动
配套动力： 18.3～29.4kW四轮拖拉机
工作幅宽: 900～1200(mm）可调
行 距： 220～350（mm）可定制
工作行数：2垄4行
工作效率：≥0.17（hm2/h）
产品品牌:开田
包装:无包装
规格:双垄四行
材质:钢材
其他:适用范围及要求 本机适应于全国除山区,沙石较多的地域以外的各个地区的马铃薯种植作业。
（1）.种植的土地耕后要比较平整，无沙石，无地下坚硬障碍
（2）.土壤墒情要适宜松散，不宜水分过大过湿，以防种子霉烂。
（3）.马铃薯种切块尺寸一般在30—50毫米，不低于30毫米为宜。切好后最好经过一段时间晾晒，并经催芽和药物处理后再进行播种。催芽不宜过长，以免播种伤芽。
Qingdao Kaitian Agricultural Machinery Co., Ltd. is located at No. 3, Cui Leng Road, Zhanggezhuang, Baishahe Office, Pingdu City, Shandong Province. It is mainly based on potato planter, potato harvester, potato tiller.
Since its inception, the company has been adhering to the core of user needs, based on honest service, continuous innovation based on user needs, and won the respect and trust of the majority of users. Relying on the rich resources of the surrounding universities, the company has signed a cooperation agreement with Qingdao Agricultural University to continuously introduce the latest production technology, so that the company's products are always in a leading position in similar products. Excellent professional talents, advanced production equipment, cutting-edge design concepts, and perfect after-sales service have made the company's products win the trust and praise of the majority of users, and at the same time set a good reputation and image for the company.
"Love agriculture and farmers, honesty for agriculture" has always been our company's unchanging commitment. To better serve the new countryside and make farmers more affordable, our company successfully passed the appraisal of Shandong Agricultural Machinery Appraisal Station and was selected. In 2016-2017, the state supported and promoted the catalogue of agricultural machinery products, and was also the only recommended product of potato machinery by the Asian Potato Research Association. After years of development, the company's sales network covers more than 30 provinces, municipalities and autonomous regions across the country, and the products are exported to Russia, India, Kazakhstan, South Africa, Cambodia, Thailand, Taiwan and other countries and regions.
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