Disc Plough Taw Qhia

Lub tshuab tillage uas siv lub concave disc tig dua av. Thaum lub tsheb laij teb rub tawm mus rau pem hauv ntej ntawm lub tsheb laij teb, lub disc tig ib ncig ntawm nws lub hauv paus axis, txiav los ntawm cov av nyob ib ncig ntawm nws ib puag ncig. Cov tilled clods nce raws lub concave nto ntawm lub rotating disc thiab tig mus rau sab thiab nram qab, tawm hauv furrows tom qab tilling. Nws cov nyhuv tilling yog tib yam li cov pwm plowing, tab sis qhov zoo ntawm tilling tsis zoo li. Thaum tiling ntsuab manure teb, thaj chaw nyom, thaj chaw pob zeb, thiab cov av nplaum ntub dej, nws muaj peev xwm txiav tau zoo dua, kev nkag mus rau cov av zoo dua, tshem tawm cov av yooj yim dua, thiab tsis tshua muaj kab mob ntau dua li cov pwm plowing. Lub disc plough tau tsim nyob ib ncig ntawm qhov kawg ntawm lub xyoo pua puv 19 thiab tom qab ntawd pom kev loj hlob tseem ceeb. Los ntawm xyoo 1962, lub ntiaj teb cov khoom siv plows suav txog 10-16% ntawm tag nrho cov plows. Nws yog dav siv nyob rau yav qab teb United States thiab central Oceania. Tuam Tshoj pib siv disc plows nyob rau hauv lub lig 1950s, thiab pib tsim tau tshem tawm, towed, thiab me me disc plows siv nrog taug kev tsheb laij teb nyob rau hauv nruab nrab-1960s.