一、有機農業是不使用化學合成物質的農業嗎?
不使用化學合成物質(化學農藥,肥料生長調節劑等)是(shi)實(shi)施(shi)有(you)機(ji)農(nong)業(ye)的(de)基(ji)本(ben)手(shou)段(duan)和(he)條(tiao)件(jian),但(dan)不(bu)是(shi)有(you)機(ji)農(nong)業(ye)生(sheng)產(chan)的(de)根(gen)本(ben)目(mu)的(de)。簡(jian)單(dan)地(di)把(ba)有(you)機(ji)農(nong)業(ye)理(li)解(jie)為(wei)不(bu)使(shi)用(yong)農(nong)用(yong)化(hua)學(xue)物(wu)質(zhi),而(er)不(bu)采(cai)取(qu)任(ren)何(he)管(guan)理(li)措(cuo)施(shi)的(de)生(sheng)產(chan)係(xi)統(tong)不(bu)能(neng)視(shi)為(wei)有(you)機(ji)生(sheng)產(chan)係(xi)統(tong)。有(you)機(ji)農(nong)業(ye)強(qiang)調(tiao)環(huan)境(jing)與(yu)生(sheng)態(tai)的(de)和(he)諧(xie),保(bao)護(hu)土(tu)壤(rang),防(fang)止(zhi)水(shui)土(tu)流(liu)失(shi),實(shi)現(xian)可(ke)持(chi)續(xu)生(sheng)產(chan)體(ti)係(xi)的(de)發(fa)展(zhan)。因(yin)此(ci),在(zai)我(wo)們(men)的(de)認(ren)證(zheng)中(zhong)有(you)一(yi)部(bu)分(fen)很(hen)重(zhong)要(yao)的(de)內(nei)容(rong),就(jiu)是(shi)要(yao)求(qiu)有(you)機(ji)食(shi)品(pin)的(de)生(sheng)產(chan)者(zhe)和(he)申(shen)請(qing)人(ren)必(bi)須(xu)建(jian)立(li)比(bi)較(jiao)完(wan)整(zheng)的(de)質(zhi)量(liang)管(guan)理(li)體(ti)係(xi),包(bao)括(kuo)建(jian)立(li)規(gui)範(fan)的(de)質(zhi)量(liang)管(guan)理(li)手(shou)冊(ce)、科學完整的生產操作規程、生產過程的詳細記錄和嚴格的追蹤程序。
二、有機食品是絕對無汙染的食品嗎?
食shi品pin是shi否fou有you汙wu染ran是shi一yi個ge相xiang對dui的de概gai念nian。世shi界jie上shang不bu存cun在zai絕jue對dui不bu含han有you任ren何he汙wu染ran物wu質zhi的de食shi品pin。隨sui著zhe分fen析xi技ji術shu的de發fa展zhan和he分fen析xi儀yi器qi的de精jing密mi度du的de提ti高gao,所suo謂wei的de“不得檢出”deshuofashibukexuede。youyuyoujishipindeshengchanguochengbushiyonghuaxuehechengwuzhi,yinci,youjishipinzhongwuranwuzhidehanliangyibanyaobiputongshipindi,danshiguofenqiangtiaoqiwuwurandetexing,huidaozhirenmenzhizhongshiduizhongduanchanpinwuranzhuangkuangdefenxiyujiance,erhushiyoujishipinshengchanquanguochengzhiliangkongzhidezongzhi。
三、有機農業是傳統農業的回歸嗎?
由(you)於(yu)石(shi)油(you)農(nong)業(ye)帶(dai)來(lai)的(de)能(neng)源(yuan),環(huan)境(jing)和(he)食(shi)品(pin)安(an)全(quan)的(de)問(wen)題(ti)日(ri)益(yi)嚴(yan)重(zhong),而(er)有(you)機(ji)農(nong)業(ye)通(tong)過(guo)不(bu)使(shi)用(yong)化(hua)學(xue)合(he)成(cheng)的(de)農(nong)家(jia)肥(fei)料(liao)等(deng)方(fang)法(fa)不(bu)僅(jin)可(ke)以(yi)合(he)理(li)利(li)用(yong)自(zi)然(ran)資(zi)源(yuan),有(you)效(xiao)地(di)提(ti)高(gao)農(nong)業(ye)生(sheng)產(chan),而(er)且(qie)可(ke)以(yi)保(bao)護(hu)生(sheng)態(tai)環(huan)境(jing),促(cu)進(jin)人(ren)與(yu)自(zi)然(ran)的(de)協(xie)調(tiao)發(fa)展(zhan)。但(dan)是(shi)有(you)機(ji)農(nong)業(ye)並(bing)不(bu)排(pai)斥(chi)現(xian)代(dai)的(de)科(ke)學(xue)技(ji)術(shu),有(you)機(ji)農(nong)業(ye)充(chong)分(fen)利(li)用(yong)現(xian)代(dai)生(sheng)物(wu)學(xue)土(tu)壤(rang)學(xue)和(he)生(sheng)態(tai)學(xue)的(de)知(zhi)識(shi),應(ying)用(yong)現(xian)代(dai)的(de)農(nong)業(ye)機(ji)械(xie)、作物選種、生(sheng)物(wu)防(fang)治(zhi)和(he)水(shui)土(tu)保(bao)持(chi)技(ji)術(shu),並(bing)在(zai)生(sheng)產(chan)過(guo)程(cheng)中(zhong)建(jian)立(li)嚴(yan)格(ge)的(de)質(zhi)量(liang)管(guan)理(li)體(ti)係(xi)。因(yin)此(ci),有(you)機(ji)農(nong)業(ye)並(bing)不(bu)是(shi)傳(chuan)統(tong)農(nong)業(ye)的(de)回(hui)歸(gui),其(qi)概(gai)念(nian)的(de)提(ti)出(chu)也(ye)得(de)到(dao)了(le)廣(guang)泛(fan)的(de)重(zhong)視(shi)與(yu)回(hui)應(ying)。
四、有機農業的產量比常規農業的產量低嗎?
從常規種植向有機種植轉換是增產還是減產?在許多情況下,在開始轉換之初會出現減產,特別是原來嚴重依賴化肥與農藥的地區。但是,在那些原來對農藥、化肥使用較少的地區,有機種植就可能不會減產,相反,還可能增產。這種有機種植生產能力的增加有幾方麵的原因:
1.通過輪作、間作和各樣種植,農業生產係統的多樣性得到改善;
2.種植或間作綠肥作物;
3.通過利用作物秸杆還田(或製作堆肥以後還田),促進了農田養分循環;
4.較好地利用了周圍生態係統的有機物質,利用了自然資源,尤其是水資源;
5.將養殖業和種植業結合起來,改善了養分的管理水平;
6.更加注意了水土保持。
另(ling)外(wai)產(chan)量(liang)高(gao)低(di)也(ye)是(shi)一(yi)個(ge)相(xiang)對(dui)的(de)概(gai)念(nian),通(tong)過(guo)超(chao)過(guo)係(xi)統(tong)可(ke)承(cheng)受(shou)的(de)外(wai)部(bu)物(wu)質(zhi)的(de)投(tou)入(ru)來(lai)獲(huo)得(de)過(guo)高(gao)的(de)產(chan)量(liang)並(bing)不(bu)是(shi)有(you)機(ji)農(nong)業(ye)追(zhui)求(qiu)的(de)目(mu)標(biao),有(you)機(ji)農(nong)業(ye)追(zhui)求(qiu)的(de)是(shi)可(ke)持(chi)續(xu)的(de)產(chan)量(liang)與(yu)質(zhi)量(liang)。
一、有機農業投入多,成本高,效益低嗎?
youjinongyeshengchanqiangtiaoyouxianshiyongdangdiziyuan,youhuazaitongyitudishangduozhongzhiwuhedongwuduiziyuandeliyong。zhezhongshijianyukongjianshangshengwuduoyangxingdeguanli,shinongminduinongyexitongshengchandeduocitouru。liruxunhuanliyongnongyefeiqiwuherengongchucaodelaodonglitouru。danshiyoujinongyeshengchanchongfenliyonglenongyexitongneibudefeiqiwu,jianshaoleshehuiyongyuzhilihuanjingwuransuohuadefeiyong,tongshizengjialeturangzhongjiaogaodeshengwuliangheweishengwuzhongqunmidu,tigaoleturangdehuoli,baochihecujinjiannongtianzhouweideshengwuduoyangxing,jianqinglehuanjingwuranduirentijiankangheshehuizaochengdezhijiehejianjiedejingjisunshi。
通(tong)過(guo)有(you)機(ji)食(shi)品(pin)的(de)優(you)化(hua)管(guan)理(li),不(bu)支(zhi)出(chu)或(huo)減(jian)少(shao)支(zhi)出(chu)購(gou)買(mai)化(hua)肥(fei),農(nong)藥(yao)的(de)成(cheng)本(ben)和(he)在(zai)市(shi)場(chang)賣(mai)得(de)較(jiao)高(gao)的(de)價(jia)格(ge),從(cong)長(chang)遠(yuan)來(lai)看(kan),一(yi)旦(dan)建(jian)立(li)良(liang)性(xing)的(de)有(you)機(ji)農(nong)業(ye)生(sheng)產(chan)體(ti)係(xi),其(qi)綜(zong)合(he)的(de)生(sheng)產(chan)力(li)一(yi)般(ban)高(gao)於(yu)常(chang)規(gui)體(ti)係(xi)的(de)生(sheng)產(chan)力(li),其(qi)最(zui)終(zhong)效(xiao)益(yi)高(gao)於(yu)常(chang)規(gui)的(de)生(sheng)產(chan)。
二、有機農業就是用有機化肥代替化肥嗎?
muqian,zaiyoujinongyeshengchanzhong,weiledaitihuafei,xuyaoshiyongdaliangdeyoujifei。youjifeizaifazhanyoujishipinzhongzhanyoujiqizhongyaodediwei,tazaipeifeidiliyugaishanzuowupinzhi,tebieshigaishanshipinfengweidengpinzhifangmiandezuoyongyidedaochongfenkending。danjinnianyinsiliaotianjiajideyingyong,shigongchanghuayangzhichangchuqinpaixiewuzhonghanyoujiaogaodezhongjinshu,rutong,shendeng。tongshi,youjifeizhonghaikenenghanyoubingyuanweishengwuhejishengchongluan。yinci,zaiwomenderenzhengzhong,duiyoujifeideshiyongxiandinglexuduotiaojian,bujinyaoqiuyouyidingdeshifeishuliang,erqieduiyoujifeidelaiyuan,youjifeidezhiliangdouyoujutiyaoqiu。guoliangshiyong、使用時間不恰當或使用不符合的標準的有機肥,都要影響作物的生長和品質並導致環境的嚴重汙染。
三、有機食品是處在“塔尖”的食品嗎?
目前比較流行的一種說法,我國推廣的三種安全農產品:無公害食品,綠色食品,有機食品。有機食品是最高層次的“塔尖”安全食品。這種觀點是片麵的。
現階段,我國農產品質量安全工作的全麵推進“無公害食品行動計劃”為(wei)切(qie)入(ru)點(dian),加(jia)快(kuai)無(wu)公(gong)害(hai)產(chan)品(pin),綠(lv)色(se)食(shi)品(pin)和(he)有(you)機(ji)食(shi)品(pin)的(de)發(fa)展(zhan),並(bing)根(gen)據(ju)各(ge)類(lei)產(chan)品(pin)的(de)不(bu)同(tong)特(te)點(dian)和(he)發(fa)展(zhan)目(mu)標(biao),采(cai)取(qu)了(le)不(bu)同(tong)的(de)發(fa)展(zhan)機(ji)製(zhi)。無(wu)公(gong)害(hai)農(nong)產(chan)品(pin)保(bao)障(zhang)大(da)眾(zhong)消(xiao)費(fei)者(zhe)最(zui)基(ji)本(ben)的(de)食(shi)品(pin)安(an)全(quan)的(de)要(yao)求(qiu)。是(shi)最(zui)基(ji)本(ben)的(de)市(shi)場(chang)準(zhun)入(ru)條(tiao)件(jian)。綠(lv)色(se)食(shi)品(pin)質(zhi)量(liang)安(an)全(quan)標(biao)準(zhun)達(da)到(dao)發(fa)達(da)國(guo)家(jia)的(de)先(xian)進(jin)水(shui)平(ping)。滿(man)足(zu)消(xiao)費(fei)者(zhe)食(shi)品(pin)質(zhi)量(liang)安(an)全(quan)更(geng)高(gao)層(ceng)次(ci)的(de)需(xu)求(qiu);youjishipincaiqushichanghuadeyunzuofangshi,genjuwoguoguoqing,tongshijiejianguojidetongxingzuofa。congshipinanquandejiaodu,gengqueqiedishuo,conglianghuadezhibiaohengliang,tamendoushuyuanquannongchanpindefanchou。yinggaishuo,youjishipincongshengchanfangshidenanyichengdu,xiaofeizhecengcihejiageshangqueshichuzaijiaogaode“塔尖”,但dan目mu前qian還hai沒mei有you充chong分fen的de證zheng據ju說shuo明ming三san者zhe之zhi間jian在zai安an全quan水shui平ping上shang存cun在zai明ming顯xian的de差cha異yi。我wo們men應ying該gai借jie鑒jian國guo際ji經jing驗yan,結jie合he我wo國guo國guo情qing,探tan討tao和he健jian全quan完wan善shan無wu公gong害hai農nong產chan品pin,綠lv色se食shi品pin和he有you機ji食shi品pin的de獨du具ju特te色se的de發fa展zhan模mo式shi,推tui動dong農nong產chan品pin質zhi量liang安an全quan水shui平ping的de全quan麵mian提ti高gao。
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