Pesticide waena

Pesticide waena

He mea koʻikoʻi ka pesticide i ka hana ʻana i ka mahiʻai, kahi mea koʻikoʻi loa i ka hoʻopaʻa ʻana i nā maʻi, nā pests a me nā nāhelehele, hoʻopaʻa a hoʻomaikaʻi i ka hua hua.

ʻOiai e pili ana i ke kumu kūʻai o nā huahana mahiʻai, kahi kanu, ke aniau, nā mea waiwai a me nā mea ʻē aʻe, e hōʻike ana ke kūʻai ʻana i nā pesticide i kekahi mau cyclical fluctuations i kēlā me kēia makahiki, akā paʻa mau ke koi.

Wahi a ka ʻikepili mai ka National Bureau of Statistics, ʻo ka hana ʻana o nā pesticides kemika ma ka ʻāina holoʻokoʻa ua hōʻike i ka emi ʻana mai ka makahiki 2017.
Ma 2017, ua hāʻule ka hopena o nā pesticides kemika i 2.941 miliona tons, akā ma 2018 ua hāʻule i 2.083 miliona tons. I ka makahiki 2019, ua pau ka hāʻule ʻana o nā pesticides kemika a piʻi aʻe i 2.2539 miliona tons, ʻoi aku ka 1.4 pakeneka o ka makahiki ma ka makahiki.

I nā makahiki i hala iho nei, ua hoʻomau ka ulu ʻana o ka loaʻa kālā o ka ʻoihana pesticide ma Kina.
Ma 2018, mahalo i ka hoʻomohala ʻana o nā pesticides olaola a me ka piʻi ʻana o nā kumukūʻai huahana, a me ka hoʻonui ʻana i ka noi no nā pesticides i nā mea kanu kālā e like me ka pulupulu a me nā ʻoihana, ʻo ka loaʻa kālā o ka ʻoihana ma kahi o 329 biliona yuan.
Ua manaʻo ʻia e piʻi aʻe ka nui o ka mākeke o ka mahiʻai a Kina i 2020.

Pono nā pesticides ʻokoʻa i nā waena like ʻole i ke kaʻina hana.
ʻO kahi huahana i hana ʻia e ka hoʻoili ʻana i nā mea kanu mahiʻai he ʻano waena hoʻi ia e hui pū ai i ʻelua a ʻoi aku mau mea.
I loko o nā pesticides hiki ke hoʻomaopopo ʻia he synergist, ʻike ʻia hoʻi ʻo nā intermediates organik.
ʻO ka mea mua e pili ana i ka hoʻohana ʻana i ka lanahu a i ʻole nā ​​​​huahana ʻaila e like me nā mea maka no ka synthesis o nā mea ʻala, nā mea ʻala, nā resins, nā lāʻau lapaʻau, plasticizers, rubber accelerator a me nā huahana kemika ʻē aʻe, i hana ʻia i ke kaʻina o nā huahana waena.

Hana ʻia ka synthesis o nā intermediates i loko o ka reactor, a hoʻokaʻawale ʻia nā mea waena a hoʻomaʻemaʻe ʻia, maʻamau e ka ʻenehana unuhi.
ʻO ka pesticide intermediates a me ka chloroform extraction ʻo ia ka hana maʻamau o ka ʻoihana kemika, ʻo ke kaʻina hana kuʻuna e hoʻohana maʻamau i ke kolamu distillation, paʻakikī kēia ʻano kaʻina hana, haʻahaʻa haʻahaʻa haʻahaʻa, nui ka hoʻohana ʻana i ka mana, no laila me ka hohonu o ka mahele o ka hana a me ka ka holomua o ka ʻenehana hana, hoʻomaka ka hapa nui o nā ʻoihana e hoʻonui i ka ʻenehana, a koho i kahi hana ʻoi aku ka maikaʻi.