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土壤的颜色——四川紫色土
发布时间:2021-05-31     作者:程方洁   来源:新华网   分享到:

turangshizhongyaodezirandiliyaosuzhiyi。woguojiangyuguangkuo,qielengreheganshibianhuamingxian,dimaoqifubianhuada,chengtumuyanduozhong,zhibeileixingyeduozhongduoyang,zaiduozhongyinsudegongtongzuoyongxia,woguodeturangleixingshifenfengfu。qizhongyixieturanghaiweiwoguosuoduyou,liruzisetu。zaiwoguo,zisetufenbuzuiguangdediqushisichuanpendi,zaiyixienanfangshengshidependizhongyeyoufenbu。

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紫色土的形成

zisetushiyouzhuluoji、baiejiziseshayan、niyanshidaixingchengdezisehuozihongseshayan、yeyanyancengshangfayuerchengdeturang。ziseshayanheyeyandeyidatedianjiushirongyifenghua,yinciqihoushiredediquyeyouliyuyanshifenghuaheturangxingcheng。zisetudemuyanduiturangxingchengyoushenkedeyingxiang,muzhiyanse、kuangwuzucheng、lihuaxingzhidengchangchanghuixianxianzaizisetushang,congeryingxiangzisetudefeilishuiping。ruziseshayeyanfenghuaxingchengdezinitu,nengjiaowanzhengdibaoliumuzhibenshendeyoudian。zheishiyouyuziseshayeyandexirexingqiang,dangtachuyuzhouyewenchadadehuanjingxiashi,yishourezhanglengsuodeyingxiang。youbiaojilidewulifenjie,shiyuanbenwanzhengdeyantizhububeifenjieweisuixiezhuangwuzhi。ziseshayeyanzhonghanyoutie、gui、tansuanyandengfuzahuahewu,tamenyijiaowendingdejiaomofubeizaikuanglibiaomian,zaiyidingchengdushangxueruolehuaxuefenghuazuoyong,yixiepinzhiyouliangdeniantukuangwujiucibeibaoliuxialai。

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紫色土的特点

zisetuzhisuoyideming,heqisezeyouhendadeguanxi,zisetudezisebutunse,tulidaduofuhangaizhihelin、jiadengyingyangyuansu,zaisichuanpendideqiulingdiquzhongshuyujiaofeiwoturang,bijiaoshihenongyeshengchan。zisetudefayuchengdubihongranghehuangrangyaowanyidian,shuyuhuaxuefenghuaweiruodeturang,chengzhongxingzhiweijianxingfanying。youyumuzhicunzaichayi,butongdezisetuzhongshihuihanliangyeyousuobutong。suiranzisetuyoufengfudekuangzhiyangfen,danshiyouyuzisetuyibanfenbuzaidixingqifumingxiandeqiulingpodi,shuituliushibuduanfasheng,zisetutucengqianbo,zaochengzhibeishengzhangzhuangkuangjiaocha,daozhizisetudeyoujizhihequandanhanliangyibanbugao,erqiebiaotuyemeiyoumingxiandefuzhizhijujiceng。

紫色土的利用改良

jiyuzisetumuyansongcui,yiyufenghuafenjie,kuangzhiyangfenfengfu,feilijiaogao。jishitucengqianbo,shuituliushiyanzhong,shaojiagengchu,yenengzhongzhizuowu。suoyi,ruheheliliyongzisetujiuchengweileyixiangzhideyanjiudegongzuo。zisetudekaifaliyongshouxianyibaochishuituweizhongdian,kaizhantu、shui、linzonghezhili,birugaipodiweitidi,xingxiuxushuichi,zaolinlvhuadengdoushixingzhiyouxiaodecuoshi。qici,handixushuijiaoguanzisetu,yimibuzisetuganhanqueshuidebiduan。zaici,zengshiyoujifeihelv、linfei,yicichuangzaolianghaodejiegouhetigaodansudegongyingshuiping。helijiantaolunzuoyeshitigaozisetuliyonglvdeyidamiaozhao,yinweidaduoshuzisetuhangaifengfu,lin、jiahanliangyejiaoduo,zheiyangdeturanghuanjingduidoukezuowueryanzaihaobuguo。yinci,caiyongdoukezuowuhuolvfeiyuyumi、xiaomaidengzuowujianzuotaozhonghuolunzuo,nengyouxiaozengjiaturangyoujizhihedansuhanliang,shixianyongyangjiehe,buduantigaoturangfeili。


benwenyouzhongguorenmindaxuefushuzhongxuedierfenxiaoyijijiaoshiwangheyijinxingkexuexingbaguan。


【womenzunzhongyuanchuang,yezhuzhongfenxiang。banquanyuanzuozhesuoyou,ruyouqinfannindequanyiqingjishilianxi,womenjiangdiyishijianshanchu。fenxiangneirongbudaibiaobenwangguandian,jingongcankao。】

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