Mankhwala osankha herbicides osankha udzu ukamera komanso kuletsa udzu wosiyanasiyana pachaka. Gwiritsani ntchito tirigu, balere, chimanga, mphesa, zipatso.Angagwiritsidwenso ntchito m'malo odyetserako ziweto, m'nkhalango, m'nkhalango.
1. Izi ziyenera kupopera kamodzi pa tsinde ndi masamba a udzu udzu pa 2-4 masamba masitepe mwachindunji kuwulutsa munda mpunga, ndi madzi zili 30-40 kg/mu, ndi kutsitsi ayenera kukhala yunifolomu ndi woganiza. Madzi wosanjikiza sayenera kusefukira mpunga mtima tsamba kupewa mankhwala kuwonongeka.
2. Musagwiritse ntchito masiku amphepo kapena pamene mvula ikuyembekezeka pasanathe ola limodzi
3. Gwiritsani ntchito mpaka kamodzi pa nyengo
Zizindikiro zakupha: Kupsa mtima pakhungu ndi m’maso. Kukhudza khungu: Chotsani zovala zowonongeka, pukutani mankhwala ophera tizilombo ndi nsalu yofewa, muzimutsuka ndi madzi ambiri ndi sopo pakapita nthawi; Kuthira m’maso: Muzimutsuka ndi madzi oyenda kwa mphindi zosachepera 15; Kumeza: siyani kumwa, imwani pakamwa modzaza ndi madzi, ndipo bweretsani chizindikiro cha mankhwala kuchipatala munthawi yake. Palibe mankhwala abwino, mankhwala oyenera.
Iyenera kusungidwa pamalo owuma, ozizira, opanda mpweya wabwino, malo otetezedwa, kutali ndi moto kapena kutentha. Khalani kutali ndi ana komanso otetezeka. Osasunga ndi kunyamula ndi chakudya, chakumwa, tirigu, chakudya. Kusungirako kapena mayendedwe a mulu wosanjikiza sadzakhala upambana makonzedwe, kulabadira kusamalira mofatsa, kuti kuwononga ma CD, chifukwa mankhwala kutayikira.