Masana kimiyya daga Jami'ar Aarhus, Denmark, Cibiyar Nazarin Agroscope, Switzerland, da Makarantar Aikin Noma ta Vetagro Sap, Faransa, sun buga wani labarin a cikin Jaridar Siyasa ta Siyasa, suna kira da a sake duba tsarin ka'idojin da ke bayyana yadda ake amfani da magungunan kashe qwari. Christopher Topping, Annette Aldrich da Philip Burnie sun ba da shawarar cewa tsarin da yake yanzu ya wuce lokaci kuma yana buƙatar maye gurbinsa.
Marubutan sun lura cewa yawancin ka'idoji don amfani da magungunan kashe qwari a cikin Turai, Amurka da sauran ƙasashe da yawa an karɓa a farkon 1990s bisa ga ka'idar "Magungunan kashe kwari - aikace-aikace ɗaya", wato, an gwada magungunan kashe kwari a kan amfanin gona ɗaya kawai.
Yanzu yanayin ya canza. Mafi yawancin lokuta ana amfani da maganin ƙwari don amfanin gona.
Har ila yau, fahimtar tasirin magungunan kashe kwari a cikin mahallin ma ya canza - sabbin bayanai sun bayyana kan tasirin agrochemistry a kan kwari marasa manufa, tsuntsayen da sauran halittu, a koguna, koguna da ma teku, lokacin da abubuwa masu aiki na samfuran kariya na shuka suka shiga yanayin ruwa ta hanyar kwarara.
Marubutan sun yi imanin cewa canza tsarin shigar da ka'idojin cututtukan cututtukan cututtukan cututtukan cuta a cikin kasashe daban-daban tare da “denominator na kowa” zai zama babban ci gaba, duk da matsaloli da yawa. Koyaya, wannan ya faru.
Masana sun lura cewa sauya dokokin ba lallai zai haifar da lalacewar tattalin arziki ga manoma ba - tsauraran dokoki zasu taimaka hana amfani da hankali game da kayan kariya na amfanin gona tare da tantance ainihin inda kuma inda ake amfani da maganin agrochemicals. Suna roƙon kasashe da su haɗa hannu cikin wannan ƙoƙarin, saboda har yanzu akwai bambance-bambance masu bambanci a cikin ƙa'idoji tsakanin jihohi - alal misali, kwanan nan Europeanungiyar Tarayyar Turai ta dakatar da chlorpyrifos saboda yana da nasaba da matsalolin rashin lafiyar yara, amma Amurka ta ƙaddamar da aikace-aikacen saboda EPA (Agency for Hukumar Kare Muhalli ta Amurka) bata yarda da kimantawar kungiyar EU ba. Yarjejeniyar kasa da kasa game da wani magani zai magance matsalar.
A ƙarshe, marubutan sun kammala da cewa lokacin ƙirƙirar sabon tsarin daidaitawa, yakamata mutum yayi la’akari da kayan aikin da zasu ba da damar wayar da kan jama'a game da haɗarin wasu magungunan kashe ƙwari.
source: agroxxi.ru (a cewar phys.org).