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China chopangidwa ndi greenhouse mpanda fakitale yogulitsa
Mankhwalawa amatha kuteteza mbalame kuti zisawononge mbewu.
Zingathenso kulepheretsa agalu amtchire ndi amphaka zakutchire kulowa ndi kutuluka pofuna kuonetsetsa kuti mbewu zikule bwino.
Izi zimakhala ndi zotsatira zabwino zotsutsana ndi mbalame, kuyika kosavuta komanso kutumiza mosavuta.
