三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 吉??(ji)林??(lin)省?(sheng)大??(da)安??(an)市??(shi)智??(zhi)慧??(hui)農(nóng)??(nong)場(chǎng)??(chang)技??(ji)術(shù)?(shu)負(fù)??(fu)責(zé)??(ze)人??(ren) 葛??(ge)艷??(yan)俊??(jun)：這??(zhe)塊??(kuai)地??(di)之??(zhi)前??(qian)是??(shi)寸??(cun)草??(cao)不??(bu)生??(sheng)的??(de)鹽??(yan)堿??(jian)地??(di)??，通??(tong)過(guò)??(guo)多??(duo)年??(nian)向??(xiang)土??(tu)壤??(rang)中?(zhong)投??(tou)放??(fang)有??(you)機(jī)??(ji)質(zhì)??(zhi)材??(cai)料??(liao)和??(he)改??(gai)良??(liang)劑??(ji)??，才??(cai)有?(you)了??(le)今??(jin)天??(tian)豐??(feng)收??(shou)的??(de)場(chǎng)??(chang)景?(jing)??。? 為??(wei)了??(le)解??(jie)決??(jue)除??(chu)草??(cao)的??(de)難??(nan)題??(ti)??，他??(ta)反??(fan)復(fù)??(fu)種?(zhong)過(guò)??(guo)三?(san)次??(ci)大??(da)豆??(dou)??，最??(zui)后?(hou)摸??(mo)索??(suo)出??(chu)玉??(yu)米?(mi)和??(he)大??(da)豆??(dou)錯(cuò)??(cuo)期??(qi)播??(bo)種??(zhong)??，玉??(yu)米??(mi)先??(xian)種??(zhong)上??(shang)之??(zhi)后??(hou)打??(da)一??(yi)遍??(bian)除??(chu)草?(cao)劑??(ji)??，之??(zhi)后??(hou)再??(zai)種??(zhong)大??(da)豆??(dou)??，使??(shi)得??(de)玉??(yu)米??(mi)和??(he)大??(da)豆??(dou)在??(zai)整?(zheng)個(gè)??(ge)生??(sheng)長(zhǎng)??(chang)期??(qi)基??(ji)本??(ben)不??(bu)受??(shou)雜??(za)草??(cao)的??(de)影??(ying)響?(xiang)??。??
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