播種機有哪些種類
播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji)按(an)種(zhong)(zhong)子播(bo)(bo)(bo)(bo)到種(zhong)(zhong)床(chuang)的形狀可(ke)分為(wei)(wei)撒播(bo)(bo)(bo)(bo)機(ji)(ji)(ji)、條播(bo)(bo)(bo)(bo)機(ji)(ji)(ji)、穴播(bo)(bo)(bo)(bo)機(ji)(ji)(ji);按(an)動力可(ke)分為(wei)(wei)人(ren)力播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji)、畜力播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji)和機(ji)(ji)(ji)械(xie)播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji);按(an)排(pai)種(zhong)(zhong)器取排(pai)種(zhong)(zhong)原(yuan)理可(ke)分為(wei)(wei)氣動式(shi)(shi)和機(ji)(ji)(ji)械(xie)式(shi)(shi);按(an)聯合作業形式(shi)(shi)可(ke)分為(wei)(wei)旋耕播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji)、覆膜播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji)、免(mian)耕播(bo)(bo)(bo)(bo)種(zhong)(zhong)機(ji)(ji)(ji)。
播種機械工作原理
播(bo)種機通(tong)過傳動系統帶動排種器、排肥(fei)(fei)器,按要求(qiu)種肥(fei)(fei)量將從(cong)種肥(fei)(fei)箱(xiang)進入排種器和(he)排肥(fei)(fei)器的種子和(he)肥(fei)(fei)料排到由開溝(gou)器開好的種溝(gou)和(he)肥(fei)(fei)溝(gou)里,隨(sui)后(hou)覆(fu)(fu)土器覆(fu)(fu)土,鎮壓器壓實種床(chuang),完成(cheng)播(bo)種作業。
播種機械的構造和工作過程
播種(zhong)(zhong)機(ji)一般由(you)(you)種(zhong)(zhong)子(zi)箱、排(pai)種(zhong)(zhong)器(qi)(qi)、輸種(zhong)(zhong)管、開(kai)溝器(qi)(qi)、覆土(tu)器(qi)(qi)、行走輪、轉動機(ji)構等(deng)組成(cheng)。工作時(shi),開(kai)溝器(qi)(qi)在地上(shang)開(kai)出種(zhong)(zhong)溝,種(zhong)(zhong)子(zi)箱內(nei)的種(zhong)(zhong)子(zi)由(you)(you)排(pai)種(zhong)(zhong)器(qi)(qi)排(pai)出,經輸種(zhong)(zhong)管落入種(zhong)(zhong)溝,再由(you)(you)覆土(tu)器(qi)(qi)覆土(tu)完成(cheng)播種(zhong)(zhong)作業(ye)。
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,有(you)可(ke)靠(kao)的(de)防(fang)護(hu)裝置,記得索要發票。
播種機怎么用
播(bo)種機(ji)在(zai)(zai)播(bo)種時,應(ying)按照種子的(de)特點(dian),對其進行(xing)播(bo)種。如播(bo)種的(de)行(xing)距應(ying)該控制在(zai)(zai)20厘(li)(li)米左右,不(bu)(bu)能過寬(kuan)也(ye)不(bu)(bu)能過窄。播(bo)種深度應(ying)控制在(zai)(zai)1.5—3.0厘(li)(li)米,但是(shi)也(ye)要考慮(lv)到特殊情況,不(bu)(bu)同(tong)的(de)土壤(rang)播(bo)種的(de)深度也(ye)不(bu)(bu)同(tong),土壤(rang)偏旱(han),播(bo)深就要略深一點(dian),這(zhe)樣(yang)可以防止種子播(bo)淺,土壤(rang)過干而不(bu)(bu)能生長(chang)。因此,農機(ji)手在(zai)(zai)播(bo)種時,一定要充分考慮(lv)種子、土壤(rang)等(deng)情況,確保種子的(de)健康成長(chang)。