EDTA ndi chelate yomwe imateteza michere kuti isagwe mvula mumtundu wa pH (pH 4 - 6.5). Amagwiritsidwa ntchito makamaka kudyetsa zomera mu njira za umuna komanso ngati chophatikizira cha kufufuza zinthu. EDTA chelate sichivulaza masamba, m'malo mwake, ndi yabwino kwa opopera masamba kuti adyetse zomera. EDTA chelate imapangidwa pogwiritsa ntchito njira yapadera yovomerezeka ya micronization. Njirayi imawonetsetsa kuti ma microgranule omasuka, opanda fumbi, opanda caking komanso kusungunuka mosavuta.
● Limbikitsani kumera kwa mizu, kukulitsa dera la masamba.
● Imayamwa msanga, imathandizira kuti mbewu zikhwime msanga, zimachepetsa kakulidwe kake.
● Palibe zotsalira, zimapangitsa kuti nthaka ikhale ndi mphamvu komanso imakhala ndi mankhwala.
● Imapangitsa kuti madzi asamasungidwe bwino, kuti nthaka ikhale yachonde komanso kuti nthaka isalowe.
● Wonjezerani mphamvu zolimba, monga kukana chilala, kuzizira, kutsekemera kwa madzi, kukana matenda, ndi zina zotero.
● Kufulumizitsa ntchito yolima, pangitsa kuti phesi likhale lolimba.
● Imalimbikitsa ndi kuwongolera kukula kwa zomera.
● Wonjezerani kuchuluka kwa shuga wa zipatso, kuyika mlingo, kutulutsa ndi kukulitsa ubwino wa mbewu.
Oyenera mbewu zonse zaulimi, mitengo yazipatso, malo, kulima, msipu, mbewu ndi mbewu zamaluwa, ndi zina.
Kugwiritsa ntchito masamba: 2-3kg/ha.
Kuthirira kwa mizu: 3-5kg/ha.
Mitengo Yothirira: Kupopera kwa masamba: 1: 600-800 Kuthirira mizu: 1: 500-600
Timalimbikitsa kugwiritsa ntchito nthawi 3-4 nyengo iliyonse malinga ndi nyengo ya mbewu.