通用性和綜合利用
為提高(gao)農(nong)(nong)業(ye)機械的利用(yong)率、降(jiang)低作業(ye)成本,在保證農(nong)(nong)業(ye)技術要求的前提下(xia),農(nong)(nong)業(ye)機械應有廣泛的通(tong)用(yong)性(xing)和(he)很高(gao)的綜(zong)合(he)利用(yong)程度(du)。例如一(yi)(yi)臺通(tong)用(yong)機架,可(ke)以換裝播種(zhong)(zhong)、中耕(geng)、開溝、培土、施肥、植物(wu)(wu)保護(hu)和(he)薯類(lei)挖(wa)掘等各種(zhong)(zhong)不同(tong)(tong)(tong)部(bu)件,以便用(yong)于不同(tong)(tong)(tong)季節(jie)的不同(tong)(tong)(tong)作業(ye)。一(yi)(yi)臺谷物(wu)(wu)聯合(he)收獲機只(zhi)要更換和(he)調整少數(shu)部(bu)件,即可(ke)用(yong)以收獲水稻(dao)、麥類(lei)、豆(dou)類(lei)、玉米(mi)、高(gao)粱和(he)向日葵等多(duo)種(zhong)(zhong)作物(wu)(wu)。