播種機有哪些種類
播(bo)(bo)種(zhong)(zhong)機(ji)(ji)按(an)種(zhong)(zhong)子播(bo)(bo)到種(zhong)(zhong)床的形(xing)狀(zhuang)可(ke)(ke)分(fen)為(wei)撒播(bo)(bo)機(ji)(ji)、條(tiao)播(bo)(bo)機(ji)(ji)、穴(xue)播(bo)(bo)機(ji)(ji);按(an)動力(li)可(ke)(ke)分(fen)為(wei)人力(li)播(bo)(bo)種(zhong)(zhong)機(ji)(ji)、畜力(li)播(bo)(bo)種(zhong)(zhong)機(ji)(ji)和(he)(he)機(ji)(ji)械播(bo)(bo)種(zhong)(zhong)機(ji)(ji);按(an)排(pai)種(zhong)(zhong)器取排(pai)種(zhong)(zhong)原理(li)可(ke)(ke)分(fen)為(wei)氣(qi)動式(shi)(shi)和(he)(he)機(ji)(ji)械式(shi)(shi);按(an)聯合作(zuo)業形(xing)式(shi)(shi)可(ke)(ke)分(fen)為(wei)旋耕(geng)播(bo)(bo)種(zhong)(zhong)機(ji)(ji)、覆膜播(bo)(bo)種(zhong)(zhong)機(ji)(ji)、免(mian)耕(geng)播(bo)(bo)種(zhong)(zhong)機(ji)(ji)。
播種機械工作原理
播(bo)種機通過傳(chuan)動系(xi)統帶(dai)動排(pai)種器(qi)(qi)、排(pai)肥器(qi)(qi),按要求種肥量將從種肥箱進入排(pai)種器(qi)(qi)和(he)排(pai)肥器(qi)(qi)的種子和(he)肥料排(pai)到由(you)開溝(gou)(gou)器(qi)(qi)開好的種溝(gou)(gou)和(he)肥溝(gou)(gou)里,隨后覆土(tu)器(qi)(qi)覆土(tu),鎮壓器(qi)(qi)壓實(shi)種床,完成播(bo)種作業(ye)。
播種機械的構造和工作過程
播種(zhong)(zhong)機(ji)一般由種(zhong)(zhong)子(zi)箱、排種(zhong)(zhong)器、輸種(zhong)(zhong)管(guan)、開溝(gou)器、覆土(tu)器、行走輪(lun)、轉(zhuan)動機(ji)構(gou)等(deng)組成。工(gong)作時(shi),開溝(gou)器在(zai)地上(shang)開出種(zhong)(zhong)溝(gou),種(zhong)(zhong)子(zi)箱內的種(zhong)(zhong)子(zi)由排種(zhong)(zhong)器排出,經輸種(zhong)(zhong)管(guan)落入(ru)種(zhong)(zhong)溝(gou),再由覆土(tu)器覆土(tu)完成播種(zhong)(zhong)作業。
如何選購播種機
選購播種機應根據作業的面積、田地的地勢、播種的深度、土壤的質地和干濕度等因素選擇合適的型號。選好型號后要確定播種機的質量,選購的播種機品牌應外觀整潔完好(hao),有可靠的(de)防護裝置,記(ji)得索要發票(piao)。
播種機怎么用
播種機在播種時,應(ying)(ying)按照(zhao)種子的(de)特點,對(dui)其進行播種。如播種的(de)行距應(ying)(ying)該控制在20厘米左右(you),不(bu)能過寬也(ye)不(bu)能過窄。播種深(shen)(shen)度應(ying)(ying)控制在1.5—3.0厘米,但是也(ye)要(yao)考慮(lv)到(dao)特殊(shu)情況(kuang),不(bu)同(tong)的(de)土(tu)壤(rang)播種的(de)深(shen)(shen)度也(ye)不(bu)同(tong),土(tu)壤(rang)偏旱,播深(shen)(shen)就要(yao)略深(shen)(shen)一(yi)點,這樣可以防止種子播淺,土(tu)壤(rang)過干而(er)不(bu)能生長。因此,農機手在播種時,一(yi)定要(yao)充分考慮(lv)種子、土(tu)壤(rang)等情況(kuang),確保種子的(de)健康(kang)成(cheng)長。