隨著人們生活水平的提高,食品安全問題越來越引起人們的重視。無公害食品、有機食品、lvseshipinhelvseshuidaoyingyunersheng。muqian,woguodazhelvseshuidaopinpaideshuidaojiaoduo,yinciruheshengchanlvseshuidao?zenyangcainengshengchanchulvseshuidao?yidingshidaonongpubianguanxindewenti。bizherenwei,lvseshuidaoshengchan,guanjianshichulihaohuafeishiyongwenti、農藥使用問題和生態環境保護問題。
一、不(bu)施(shi)化(hua)肥(fei)不(bu)行(xing),怎(zen)樣(yang)施(shi)用(yong)。目(mu)前(qian),世(shi)界(jie)上(shang)還(hai)沒(mei)有(you)養(yang)分(fen)持(chi)久(jiu)平(ping)衡(heng)的(de)土(tu)壤(rang),我(wo)想(xiang)以(yi)後(hou)也(ye)不(bu)會(hui)有(you)。既(ji)然(ran)沒(mei)有(you)養(yang)分(fen)持(chi)久(jiu)平(ping)衡(heng)的(de)土(tu)壤(rang),那(na)麼(me),再(zai)好(hao)的(de)土(tu)壤(rang)連(lian)續(xu)種(zhong)植(zhi)農(nong)作(zuo)物(wu)後(hou),都(dou)會(hui)因(yin)缺(que)少(shao)某(mou)種(zhong)化(hua)學(xue)元(yuan)素(su)而(er)導(dao)致(zhi)土(tu)壤(rang)養(yang)分(fen)匱(kui)乏(fa),從(cong)而(er)限(xian)製(zhi)農(nong)作(zuo)物(wu)產(chan)量(liang)。要(yao)提(ti)高(gao)農(nong)作(zuo)物(wu)產(chan)量(liang),必(bi)須(xu)給(gei)土(tu)壤(rang)補(bu)充(chong)養(yang)分(fen)。給(gei)土(tu)壤(rang)補(bu)充(chong)養(yang)分(fen),光(guang)施(shi)用(yong)農(nong)家(jia)肥(fei)固(gu)然(ran)好(hao),但(dan)不(bu)現(xian)實(shi),而(er)且(qie)積(ji)造(zao)農(nong)家(jia)肥(fei)勞(lao)動(dong)強(qiang)度(du)大(da),數(shu)量(liang)有(you)限(xian),養(yang)分(fen)含(han)量(liang)少(shao),不(bu)可(ke)能(neng)完(wan)全(quan)滿(man)足(zu)提(ti)高(gao)農(nong)作(zuo)物(wu)產(chan)量(liang)的(de)養(yang)分(fen)需(xu)要(yao)。因(yin)此(ci),在(zai)施(shi)用(yong)農(nong)家(jia)肥(fei)的(de)同(tong)時(shi),必(bi)須(xu)適(shi)量(liang)的(de)補(bu)充(chong)化(hua)肥(fei),才(cai)能(neng)達(da)到(dao)農(nong)作(zuo)物(wu)高(gao)產(chan)穩(wen)產(chan)的(de)目(mu)的(de)。因(yin)此(ci),綠(lv)色(se)水(shui)稻(dao)生(sheng)產(chan)施(shi)肥(fei)的(de)關(guan)鍵(jian),不(bu)是(shi)不(bu)能(neng)施(shi)用(yong)化(hua)肥(fei),而(er)是(shi)是(shi)怎(zen)樣(yang)施(shi)用(yong)。生(sheng)產(chan)綠(lv)色(se)水(shui)稻(dao),在(zai)施(shi)肥(fei)上(shang)應(ying)注(zhu)意(yi)以(yi)下(xia)幾(ji)個(ge)問(wen)題(ti):
1、以農家肥為主,適當適量補充化肥。限製化肥的施用種類,嚴格限製施用數量。
2、不施用對人體有害,並在稻米中殘留有毒物質和激素物質的化肥。
二、不施用農藥不可,如何施用。我國的人均土地麵積在世界上雖然不多,但農作物發生害蟲危害時,光靠農業防治、人工防治(動手抓)heqitashengwufangzhifangfaxianranwufakongzhide,gengshibuxianshide,hennandadaoyuqixiaoguo。muqian,woguodeshuidaoshengchanfazhanhenkuai,henduodaonongyingyongnongyaofangzhibingchonghaidejishushuipingyuguowainongyefadaguojiaxiangbichajuhenda,shengchanzhonghaijingchangchuxiancaohuanghebingchonghaideng。duiyubaofaxingshuidaobingchonghaidefasheng,bixucaiquyaojifangzhicuoshi,cainengquebaonongyeshengchanguoshihenongzuowuyouzhifengchan。suoyi,shengchanlvseshuidao,bushibunengyongnongyaodewenti,ershizenyangyongnongyaodewenti。jutideyingzhuyiyixiajidian:
1、優先選用高效低毒的農藥品種,水稻收獲前應禁止施用農藥。
2、盡量選用無殘留的農藥品種,限製用藥劑量和施用次數。
3、禁止使用高毒、高殘留的農藥品種。
4、就(jiu)我(wo)國(guo)目(mu)前(qian)的(de)農(nong)業(ye)生(sheng)產(chan)現(xian)狀(zhuang)和(he)稻(dao)農(nong)的(de)農(nong)技(ji)水(shui)平(ping),水(shui)稻(dao)生(sheng)產(chan)還(hai)不(bu)是(shi)禁(jin)止(zhi)和(he)限(xian)製(zhi)農(nong)藥(yao)使(shi)用(yong)的(de)問(wen)題(ti),而(er)是(shi)要(yao)進(jin)一(yi)步(bu)提(ti)高(gao)農(nong)藥(yao)施(shi)用(yong)水(shui)平(ping)和(he)提(ti)高(gao)施(shi)用(yong)效(xiao)果(guo)的(de)問(wen)題(ti)。
三、lvseshuidaoshengchanyunongyeshengtaihuanjing。jiuwoguomuqiandenongyeshengchanxianzhuang,shengchanlvseshuidaoguanjianshiyaobaochihechuangzaodafanweidelianghaodenongyeshengtaihuanjing。rufangzhishuiyuanwuran、防治土壤資源汙染、防止大氣中有害氣體的大量排放以及限製有害殘留肥料、農藥的生產和使用。
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