Sabuwar dokar Brazil don sarrafa amfani da magungunan kashe kwari na thiamethoxam a gonakin rake ta ba da shawarar amfani da ban ruwa mai digo.

Kwanan nan, Hukumar Kare Muhalli ta Brazil Ibama ta fitar da sabbin dokoki don daidaita amfani da magungunan kashe kwari da ke ɗauke da sinadarin thiamethoxam mai aiki. Sabbin dokokin ba su hana amfani da magungunan kashe kwari gaba ɗaya ba, amma sun hana fesa manyan yankuna daban-daban ta jiragen sama ko taraktoci ba daidai ba saboda fesawar tana shafar ƙudan zuma da sauran masu yin fure a cikin yanayin halittu.
Ga takamaiman amfanin gona kamar rake, Ibama ya ba da shawarar amfani da magungunan kashe kwari masu ɗauke da thiamethoxam a cikin hanyoyin amfani da su daidai kamar ban ruwa na digo don guje wa haɗarin zamewa. Masana a fannin noma sun ce ban ruwa na digo na iya amfani da magungunan kashe kwari cikin aminci da inganci ga amfanin gona na rake. Ana amfani da shi don magance manyan kwari kamar Mahanarva fimbriolata, termites Heterotermes tenuis, sugarborers (Diatraea saccharalis) da sugarcane weevil (Sphenophorus levis). Rashin tasiri ga amfanin gona.

Sabbin ƙa'idojin sun bayyana karara cewa ba za a iya amfani da magungunan kashe kwari na thiamethoxam don maganin sinadarai na masana'antu na kayan kiwon rake ba. Duk da haka, bayan an girbe rake, ana iya amfani da magungunan kashe kwari a ƙasa ta hanyar tsarin ban ruwa na digo. Don guje wa shafar kwari masu yin pollinating, ana ba da shawarar a bar kwanaki 35-50 tsakanin ban ruwa na digo na farko da na gaba.
Bugu da ƙari, sabbin ƙa'idojin za su ba da damar amfani da magungunan kashe kwari na thiamethoxam akan amfanin gona kamar masara, alkama, waken soya da kuma rake, waɗanda aka shafa kai tsaye a ƙasa ko ganye, da kuma don maganin iri, tare da takamaiman yanayi kamar yawan da za a ɗauka da ranar ƙarewa don a ƙara fayyace su.

Masana sun nuna cewa amfani da maganin da ya dace kamar ban ruwa na digo ba wai kawai zai iya magance cututtuka da kwari ba, har ma zai iya tabbatar da tsaron aiki da rage shigar mutane, wanda sabuwar fasaha ce mai dorewa da inganci. Idan aka kwatanta da aikin feshi, ban ruwa na digo yana guje wa illolin da ruwan da ke shiga muhalli da ma'aikata zai iya haifarwa, kuma ya fi dacewa da muhalli kuma yana da araha kuma yana da amfani ga kowa.