Chowonjezera chatsopano cha makina a ulimi, "fosholo yolimba yothira nthaka," chatulutsidwa kuti chithandize kukweza ubwino ndi magwiridwe antchito a ulimi.

Mtundu watsopano wa makina ogwiritsira ntchito ulimi—fosholo yopindika ya nthaka yapansi panthaka—wakopa chidwi cha anthu ambiri m'munda wa makina ogwiritsira ntchito ulimi. Ndi kapangidwe kake kapadera komanso magwiridwe antchito apamwamba, mankhwalawa amapereka njira yatsopano yothetsera mavuto a ntchito zachikhalidwe za nthaka yapansi panthaka, ndipo akuyembekezeka kupititsa patsogolo zokolola za nthaka ndikuthandizira pakukula kokhazikika kwa ulimi wamakono.

Kulima mozama ndi gawo lofunika kwambiri pakulima mosasamala, kuswa bwino pulawo, kuzama nthaka, kukonza kapangidwe ka nthaka, ndikuwonjezera kusunga madzi, kukana chilala, komanso kupewa kusefukira kwa madzi. Komabe, mafosholo achikhalidwe olima mozama nthawi zambiri amakhala ndi vuto lolimba, kugwiritsa ntchito mphamvu zambiri, kukana kuuma kwa nthaka, komanso kumasuka pang'ono, zomwe zimakhudza magwiridwe antchito komanso magwiridwe antchito.