Ndi herbicide iliyonse ikachotsedwa pamndandanda, mphamvu ya waterhemp imakulirakulira. Idatsimikiza kukana njira zisanu ndi imodzi - ndipo kukana kwake kumakulirakulirakulakulakulakulakulakulakulakulakulani kuyenereradi.
"Zimatengera njira zofananira zikhalidwe ndi makina, kuwongolera mankhwala ndikuchotsa kuthana," malinga ndi kafukufuku wochokera ku BASF. Kampaniyo idapezanso kuti alimi amawononga ndalama zochuluka maulendo 3.8 pochotsa mitundu ya nkhumba kuposa zaka khumi zapitazo.
Pakadali pano, pali mankhwala ochepa chabe omwe amatha kupatsa udzu wina wovuta kwambiri. Njira zatsopano zogwiritsira ntchito herbicide zimawononga ndalama zoposa $ 150 miliyoni kuti apange, ndipo chiwerengerochi chikhoza kuwonjezeka ndikuchedwa kwalamulo.
Bayer amalimbikitsa kugwiritsa ntchito njira zophatikizira udzu, kuphatikiza:
- Dziwani namsongole wanu, dziwani minda yanu.
- Yambani ndi minda yoyera.
- Khalani oyera — gwiritsirani ntchito mankhwala otsalira a herbides.
- Ikani mankhwala a herbichus molondola.
- Sungani udzu kuthawa.
- Kulekerera konse kwa mbewu za udzu.
- Zida zoyera.
Mankhwala atsopano ophera tizilombo sakukupeza mosavuta. Bayer, BASF ndi FMC adalengeza posachedwapa kuti apeza njira zatsopano, koma zikhala zaka alimi asanawone mamolekyulu atsopanowa. Kuphatikiza apo, zina zimangolozera udzu, m'malo moyang'ana ngati alimi adazolowera glyphosate. Tetezani mankhwala akupha ndi kuphunzitsa makasitomala anu.
"Kukonzekera kwanthawi zonse kwatipulumutsa," atero a Blake Miller, oyimira ntchito zaulimi pa Syngenta. "Ndidakhala m'masiku Otsata - tidataya ALS, masiku a glyphosate [omwe tsopano ali ndi vuto lalikulu], ndipo tsopano gulu la 15 ndi gulu la 4 la mankhwala ophera tizilombo - chilichonse chili pachiwopsezo chifukwa tatsala pang'ono kupanga zatsopano."