WANATAH, Ind. - Ngati mukufuna kugwiritsa ntchito mankhwala pafamu yanu, ndikofunikira kuti muzichita homuweki yanu yoyamba ndikutsatira malangizo mosamala.
"Chemigation ndi njira yoika mankhwala ophera tizilombo, fungicide, tizilombo kapena nayitrogeni kudzera mu njira yanu yothirira," anafotokoza a Lyndon Kelly, Purdue ndi Michigan State Extension katswiri wothirira, ku Pinney Purdue Virtual Field Day.
“Ndikofunika kukumbukira kuti EPA imafuna kuti mankhwala aliwonse ophera tizilombo kudzera mu njira yothirira akhale ndi chizindikiro cha mankhwala. Titha kukhala chizindikiro kapena gawo lina la chizimba. ”
Chizindikiro cha chemigation ndi mgwirizano wa njira zitatu pakati pa Environmental Protection Agency, kampani yomwe idapanga mankhwala ophera tizilombo komanso wopaka mankhwala.
Muyenera kutsatira malangizo kuti muwonetsetse kugwiritsa ntchito mankhwala mosamala.
Kelly adagawana nawo mndandanda wazomwe angagwiritse ntchito pamagetsi. Osachepera dongosolo zofunika monga:
• Makina omwe angathe kugwiritsa ntchito voliyumu yofunikira.
• Kuwunika kofananira kachitidwe pa 85% kapena kupitilira apo.
• Pivot point ndi kutsiriza kuthamanga kwa sprinkler mkati mwa 10% yazomata phukusi.
• Chitetezo chobwerera m'mbuyo chofunikira komanso chothandiza.
• Palibe kutuluka kwakukulu kapena kukonza kofunikira.
• Palibe zovuta zazikulu zothamangira.
• Interlock imatseka dongosolo m'malo mwake ndikugwira ntchito.
Mankhwala sayenera kugwiritsidwa ntchito ngati liwiro la mphepo likufuna kuyenda mopitilira malo omwe akufuna, Kelly adatero.
Kufunsira kwina komwe ndikuphwanya malamulo ndikuphwanya malamulo ndi mankhwala aku Indiana, adatero.
Malinga ndi Purdue Extension, kuyerekezera kolondola kwa njira yothirira komanso kuchuluka kwa mankhwala ophera tizilombo ndikofunikira.
"Wogwiritsira ntchito mankhwalawa ayenera kudziwa momwe madzi othirira amathamangira (maekala pa ola limodzi) kuchuluka kwa madzi osankhidwa ndi kuchuluka kwa mankhwala kuti adziwe kuchuluka kwa jakisoni wa mankhwala," buku la Purdue Extension lonena za mankhwala.
Dziwani zambiri zamakina ndi kuthirira ku www.canr.msu.edu/irrigation/.