Bili yofotokozera mfundo za "mankhwala ophera tizilombo" ndi "agrochemicals" idalandiridwa powerenga koyamba.
Mogwirizana ndi chikalatacho, zowonjezera zakudya zomwe zimapangidwira kudyetsa nyama sizimachotsedwa ku tanthauzo la "agrochemicals".
Kuvomerezeka kwa boma kulembetsa monga agrochemicals amagulu ena ndi mitundu ya zipangizo zachilengedwe zomwe siziri zopangidwa ndi kupanga mankhwala ndi ntchito zaulimi pofuna kuteteza, kuyang'anira ndi kuchulukitsa chonde kwa nthaka sikuphatikizidwa.
Izi zikuphatikiza peat, zinyalala zopanga shuga (zonyansa), zinyalala zanyama (zinyalala, manyowa), zinyalala zapansi zam'madzi, matope amadzi, omwe ndi zida zopangira feteleza wa organic ndi organomineral, komanso feteleza wosakanizidwa wamchere wopangidwa ndi olembetsedwa. feteleza wa mchere amene adutsa kulembetsa boma m'njira analamula.
Zotsatira zake, sipadzakhala chifukwa cholembetsa feteleza wosakanikirana wa mineral.
Panthawi imodzimodziyo, adalangizidwa kuti achepetse nthawi yowerengera zotsatira za mayeso olembetsa mankhwala ophera tizilombo ndi agrochemicals kuchokera miyezi isanu ndi umodzi mpaka itatu, komanso kuonjezera nthawi yolembetsa boma.