Yin amfani da jami'an kula da ilimin halitta don kare amfanin gona na greenhouse ya tabbatar da tasiri
Heijo Dodde ya rubuta game da wannan a cikin labarin akan tashar tashar www.nieuweoogst.nl.
Dangane da sabbin bayanai da aka samu daga Statistics Netherlands (CBS), an gudanar da kwarin gwiwar amfanin gona da suka hada da gizo-gizo a cikin kashi 95 cikin 2020 na yankin a cikin 1,315. Bayanan ya biyo bayan wani bincike da aka gudanar a cikin gonaki XNUMX a cikin kasar.
Misali, rabon kula da ilimin halittu a gidajen kore a Netherlands ya kai kashi 92 cikin 2016 a cikin 78, idan aka kwatanta da kashi 2012 a cikin 2020. Ga kowane nau'in amfanin gona tara da aka yi nazari a cikin 75, an yi amfani da tsarin kula da halittu zuwa aƙalla kashi 2020 na yankin da aka noma. Zuwa shekarar XNUMX, kusan dukkan cucumbers, barkono da tumatir ana shuka su a cikin gida ba tare da maganin kashe kwari ba.
A cikin noman strawberry na greenhouse, amfani da abubuwan sarrafa halittu ya karu sosai daga kashi 58 cikin 2016 zuwa kashi 98 a cikin 2020.
Kayan amfanin gona na ado irin su wardi, gerberas da chrysanthemums suma suna da fiye da kashi 90 na yankin da sarrafa ilimin halitta ya rufe a cikin 2020. A cewar kididdigar Netherlands, tsire-tsire masu tsire-tsire ne kawai - furanni da ganye - sun ragu da kashi 75% da 81% bi da bi.
Ana amfani da manyan ƙungiyoyi huɗu na jami'an kula da ilimin halitta don sarrafa kwaro a sashin greenhouse a cikin Netherlands.
An gabatar da kusan biliyan 52 na farauta da thrips a cikin 2020, kusan sau biyar fiye da na 2016. Amfani da waɗannan abubuwan sarrafa halittu ya karu musamman a cikin noman strawberry na cikin gida (daga kashi 54 cikin 2016 zuwa kashi 98) da gerberas (daga 68). zuwa kashi 98). Kwayoyin da ba a iya gani ba suna taka muhimmiyar rawa wajen noman tumatir. Parasitic wasps sun fi dacewa a can.
Yawan parasitic wasps da gall midges na Aphidimiz ga greenhouse release ya 2.4 biliyan, fiye da ninki biyu na lambar a 2016. Parasitic wasps da gall midges da aka yi amfani a 2020 a kan 74 bisa dari na jimlar yanki na tara greenhouse amfanin gona. A shekarar 2016, wannan adadi ya kai kashi 67 cikin dari. Ana amfani da waɗannan abubuwan sarrafa halittu sosai akan barkono, tumatir da gerberas.
Yawan sanya entomophages na uku rukuni na preatory kwari, lacewings da hoverflies, kazalika da preatory beetles ne da yawa m - 0.2 biliyan, amma har yanzu fiye da sau biyu kamar yadda a 2016.
Amfani da kwaro, lacewings, hoverflies da kuma beetles a cikin gidajen lambuna na Holland ya karu daga kashi 54 na yankin a cikin 2016 zuwa kashi 61 a cikin 2020. A cikin noman barkono, ana amfani da wannan rukuni na kwari don magance kwari a kashi 98 na yankin. , biye da tumatir - 93 bisa dari. Amfani da waɗannan abubuwan sarrafa halittu shima ya ƙaru sosai a cikin wardi mai sanyi, daga kashi 25 cikin ɗari a cikin 2016 zuwa kashi 56 a cikin 2020.
Rukuni na huɗu na wakilai masu kula da ilimin halitta sune nematodes. Ana amfani da su a cikin adadi mai yawa a cikin masana'antar greenhouse. Dangane da bayanan 2020, an sanya nematodes masu amfani kusan biliyan 5.202.
