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”的(de)說(shuo)法(fa)是(shi)不(bu)科(ke)學(xue)的(de)。由(you)於(yu)有(you)機(ji)食(shi)品(pin)的(de)生(sheng)產(chan)過(guo)程(cheng)不(bu)使(shi)用(yong)化(hua)學(xue)合(he)成(cheng)物(wu)質(zhi),因(yin)此(ci),有(you)機(ji)食(shi)品(pin)中(zhong)汙(wu)染(ran)物(wu)質(zhi)的(de)含(han)量(liang)一(yi)般(ban)要(yao)比(bi)普(pu)通(tong)食(shi)品(pin)低(di),但(dan)是(shi)過(guo)分(fen)強(qiang)調(tiao)其(qi)無(wu)汙(wu)染(ran)的(de)特(te)性(xing),會(hui)導(dao)致(zhi)人(ren)們(men)隻(zhi)重(zhong)視(shi)對(dui)終(zhong)端(duan)產(chan)品(pin)汙(wu)染(ran)狀(zhuang)況(kuang)的(de)分(fen)析(xi)與(yu)檢(jian)測(ce),而(er)忽(hu)視(shi)有(you)機(ji)食(shi)品(pin)生(sheng)產(chan)全(quan)過(guo)程(cheng)質(zhi)量(liang)控(kong)製(zhi)的(de)宗(zong)旨(zhi)。
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。
tongguoyoujishipindeyouhuaguanli,buzhichuhuojianshaozhichugoumaihuafei,nongyaodechengbenhezaishichangmaidejiaogaodejiage,congchangyuanlaikan,yidanjianliliangxingdeyoujinongyeshengchantixi,qizonghedeshengchanliyibangaoyuchangguitixideshengchanli,qizuizhongxiaoyigaoyuchangguideshengchan。
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);有(you)機(ji)食(shi)品(pin)采(cai)取(qu)市(shi)場(chang)化(hua)的(de)運(yun)作(zuo)方(fang)式(shi),根(gen)據(ju)我(wo)國(guo)國(guo)情(qing),同(tong)時(shi)借(jie)鑒(jian)國(guo)際(ji)的(de)通(tong)行(xing)做(zuo)法(fa)。從(cong)食(shi)品(pin)安(an)全(quan)的(de)角(jiao)度(du),更(geng)確(que)切(qie)地(di)說(shuo),從(cong)量(liang)化(hua)的(de)指(zhi)標(biao)衡(heng)量(liang),它(ta)們(men)都(dou)屬(shu)於(yu)安(an)全(quan)農(nong)產(chan)品(pin)的(de)範(fan)疇(chou)。應(ying)該(gai)說(shuo),有(you)機(ji)食(shi)品(pin)從(cong)生(sheng)產(chan)方(fang)式(shi)的(de)難(nan)易(yi)程(cheng)度(du),消(xiao)費(fei)者(zhe)層(ceng)次(ci)和(he)價(jia)格(ge)上(shang)確(que)實(shi)處(chu)在(zai)較(jiao)高(gao)的(de)“塔尖”,danmuqianhaimeiyouchongfendezhengjushuomingsanzhezhijianzaianquanshuipingshangcunzaimingxiandechayi。womenyinggaijiejianguojijingyan,jiehewoguoguoqing,tantaohejianquanwanshanwugonghainongchanpin,lvseshipinheyoujishipindedujutesedefazhanmoshi,tuidongnongchanpinzhilianganquanshuipingdequanmiantigao。
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