第1類是(shi)直(zhi)(zhi)播(bo)(bo)機械排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)，它適(shi)用(yong)于直(zhi)(zhi)接(jie)將農(nong)作物的種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)直(zhi)(zhi)接(jie)播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)到耕地上(shang)。直(zhi)(zhi)播(bo)(bo)機械排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)通(tong)常(chang)由(you)一(yi)個容納種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)的種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)箱、一(yi)個排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)和一(yi)個播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)深(shen)度調節裝(zhuang)置(zhi)組成(cheng)。在播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)過程中，種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)從種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)箱中通(tong)過排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)被逐(zhu)個排(pai)放到耕地上(shang)，然后(hou)通(tong)過播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)深(shen)度調節裝(zhuang)置(zhi)控制種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)的播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)深(shen)度。
第2類是儲種(zhong)(zhong)(zhong)機械排(pai)種(zhong)(zhong)(zhong)器(qi)，它(ta)適用于將種(zhong)(zhong)(zhong)子儲存在儲種(zhong)(zhong)(zhong)槽中，通過輸送裝置將種(zhong)(zhong)(zhong)子輸送到排(pai)種(zhong)(zhong)(zhong)器(qi)，再由排(pai)種(zhong)(zhong)(zhong)器(qi)將種(zhong)(zhong)(zhong)子排(pai)放到耕地上。儲種(zhong)(zhong)(zhong)機械排(pai)種(zhong)(zhong)(zhong)器(qi)可以根據需要(yao)調整種(zhong)(zhong)(zhong)子的排(pai)放量和排(pai)放間(jian)距，從而(er)達到不同的播(bo)種(zhong)(zhong)(zhong)要(yao)求(qiu)。
第3類(lei)(lei)是(shi)(shi)穴(xue)(xue)播(bo)機(ji)械(xie)排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)，它適(shi)用(yong)(yong)于(yu)將(jiang)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)按穴(xue)(xue)播(bo)方(fang)法進(jin)行(xing)(xing)播(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)。穴(xue)(xue)播(bo)機(ji)械(xie)排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)通(tong)(tong)常由(you)一(yi)(yi)個(ge)(ge)(ge)容納種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)的(de)(de)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)箱(xiang)、一(yi)(yi)個(ge)(ge)(ge)排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)和一(yi)(yi)個(ge)(ge)(ge)穴(xue)(xue)距(ju)(ju)(ju)調節(jie)(jie)裝(zhuang)置(zhi)組(zu)成(cheng)(cheng)。在播(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)過程(cheng)中(zhong)，種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)從(cong)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)箱(xiang)中(zhong)通(tong)(tong)過排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)被逐個(ge)(ge)(ge)排(pai)放到耕(geng)(geng)地(di)上的(de)(de)穴(xue)(xue)中(zhong)，然(ran)(ran)后通(tong)(tong)過穴(xue)(xue)距(ju)(ju)(ju)調節(jie)(jie)裝(zhuang)置(zhi)控制種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)的(de)(de)排(pai)放間(jian)(jian)距(ju)(ju)(ju)。 第四類(lei)(lei)是(shi)(shi)行(xing)(xing)間(jian)(jian)播(bo)機(ji)械(xie)排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)，它適(shi)用(yong)(yong)于(yu)將(jiang)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)按行(xing)(xing)間(jian)(jian)播(bo)方(fang)法進(jin)行(xing)(xing)播(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)。行(xing)(xing)間(jian)(jian)播(bo)機(ji)械(xie)排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)通(tong)(tong)常由(you)一(yi)(yi)個(ge)(ge)(ge)容納種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)的(de)(de)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)箱(xiang)、一(yi)(yi)個(ge)(ge)(ge)排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)和一(yi)(yi)個(ge)(ge)(ge)行(xing)(xing)間(jian)(jian)距(ju)(ju)(ju)調節(jie)(jie)裝(zhuang)置(zhi)組(zu)成(cheng)(cheng)。在播(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)過程(cheng)中(zhong)，種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)從(cong)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)箱(xiang)中(zhong)通(tong)(tong)過排(pai)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器(qi)(qi)(qi)被逐個(ge)(ge)(ge)排(pai)放到耕(geng)(geng)地(di)上的(de)(de)行(xing)(xing)間(jian)(jian)，然(ran)(ran)后通(tong)(tong)過行(xing)(xing)間(jian)(jian)距(ju)(ju)(ju)調節(jie)(jie)裝(zhuang)置(zhi)控制種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)(zi)的(de)(de)排(pai)放間(jian)(jian)距(ju)(ju)(ju)。