高中英语必修四 unit2 课文原文

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APIONEERFORALLPEOPLE

AlthoughheisoneofChina'smostfamousscientists,YuanLongpingconsiders

himlfafarmer月饼品牌排行榜前十名,瑜珈教程,hissunburntface

andarmsandhisslim,strongbodyarejustlikethoofmillionsofChinefarmers习惯说,

Longpinggrowswhat

1974jianli,hebecamethefirstagriculturalpioneerinthe

ecialstrainofricemakesit

ethan

60%ofthericeproducedinChinaeachyearisfromthishybridstrain金城战役.

Bornintoapoorfarmer'sfamilyin1930警告处分,DrYuangraduatedfromSouthwest

hen,findingwaystogrowmorericehasbeen

ngman,hesawthegreatneedforincreasingthericeoutput.

Atthattime,

Yuanarchedforawaytoincreariceharvestswithoutexpandingtheareaof

1950墨西哥海啸预警,

recentharvest形容书精彩的四字词语,however向日葵开花时间是几点左右,nearlytwohundredmilliontonsofricewasproduced.

Theincreadharvestsmeanthat22%oftheworld'speoplearefedfromjust7%

isnowcirculatinghisknowledgeinIndia,Vietnam

to

hisrearch0x80070643,

hishybridrice风物长宜放眼望,farmersareproducingharveststwiceaslargeasbefore孟非语录.

r,hedoesn'tcareaboutbeing

dmuch

yslisteningtoviolinmusic沟通与演讲,playing

mah-jong整顿衣裳起敛容,ngmoneyonhimlforleadinga

个人写真好,hebelievesthatapersonwith

eforegivesmillionsof

yuantoequipothersfortheirrearchinagriculture江山如画 四叶铃兰.

Justdreamingforthings,however,oDryuanhada

rofricewasasbigasanearof

awokefromhis

郭进,

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manyyearslater六年级下册第一课,DrYuanhasanotherdream:toexporthisricesothatitcanbe

amisnotalwaynough极限推理,especiallyforaperson

wholovesandcaresforhispeople.

CHEMICALORORGANICFARMING?

Overthepasthalfcentury电化学基础,usingchemicalfertilizershasbecomeverycommon

rmerswelcomedthemasagreatwaytostopcropdiaand

ly,however安全性能好的车,scientistshavebeenfindingthatlong-term

uofthefertilizerscancaudamagetothelandand一言九鼎的鼎是什么意思,evenmoredangerous,to

people'shealth.

Whataresomeoftheproblemscaudbychemicalfertilizers?First1500米,they

damagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmful

alsalsostayinthegroundandundergroundwaterforalongtime.

Thisaffectscropsand改尽江山旧,therefore,animalsandhumans,sincechemicalsgetinside

hemicalsinthefoodsupplybuild

upinpeople'thechemicalscanleadtocanceror

tion,fruit冰心是什么派诗人,vegetablesandotherfoodgrownwithchemical

ylookbeautiful魏新洪,

butinsidethereisusuallymorewaterthanvitaminsandminerals张爱铃.

Withthediscoveries抓住彩虹的男人剧情介绍,somefarmersandmanycustomersarebeginningto

cfarmingissimplyfarmingwithoutusingany

hysoil

cfarmers,

therefore,elthat

so

keepstheair母亲节话语10个字,soil医药市场营销论文,waterandcropsfreefromchemicals不荤不素.

oftenchangethekindofcropineachfieldeveryfewyears,forexample学党史跟党走内容文字,growing

uchaspeasor

soybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuch

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cfarmersalsoplantcropsto

udifferentlevelsofsoil,forexample萧玉,plantingpeanutsthatutheground's

ganicfarmers

preferplantinggrassbetweencropstopreventwindorwaterfromcarryingaway

thesoil,andthenleavingitinthegroundtobecomeanaturalfertilizerforthenext

year'anydifferentorganicfarmingmethodshavethesamegoal:to

growgoodfoodandavoiddamagingtheenvironmentorpeople'shealth.

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