蔗葉不同還田處理對土壤水分的影響

耕geng作zuo層ceng土tu壤rang水shui分fen的de有you效xiao保bao持chi利li於yu作zuo物wu的de萌meng芽ya與yu出chu苗miao，種zhong植zhi壟long上shang的de有you效xiao土tu壤rang水shui分fen利li於yu主zhu根gen係xi向xiang深shen層ceng土tu壤rang下xia紮zha，能neng夠gou增zeng加jia水shui分fen吸xi收shou利li用yong率lv，防fang止zhi作zuo物wu倒dao伏fu。行xing間jian土tu壤rang水shui分fen的de有you效xiao保bao持chi能neng夠gou促cu進jin作zuo物wu係xi根gen的de橫heng向xiang生sheng長chang，使shi作zuo物wu的de養yang分fen吸xi收shou麵mian積ji半ban徑jing增zeng大da，促cu使shi作zuo物wu能neng夠gou快kuai速su形xing成cheng龐pang大da的de根gen係xi結jie構gou，利li於yu提ti高gao作zuo物wu的de抗kang逆ni性xing。我wo們men通tong過guo實shi驗yan來lai理li解jie蔗zhe葉ye不bu同tong還hai田tian處chu理li對dui土tu壤rang水shui分fen的de影ying響xiang，其qi中zhong土tu壤rang水shui分fen的de測ce定ding我wo們men可ke以yi通tong過guo無線墒情監測係統進行測定。

相對對照焚燒處理而言
，宿根蔗前期萌芽、出chu苗miao與yu後hou期qi成cheng熟shu等deng農nong藝yi關guan鍵jian需xu水shui期qi間jian
，不bu同tong蔗zhe葉ye還hai田tian處chu理li的de土tu壤rang含han水shui量liang均jun高gao於yu對dui照zhao處chu理li。宿xiu根gen蔗zhe整zheng個ge生sheng育yu期qi土tu壤rang含han水shui量liang相xiang對dui較jiao高gao的de為wei蔗zhe葉ye隔ge行xing覆fu蓋gai還hai田tian處chu理li，如ru果guo采cai用yong此ci種zhong蔗zhe葉ye還hai田tian模mo式shi，需xu要yao在zai甘gan蔗zhe收shou獲huo後hou投tou入ru工gong時shi用yong量liang將jiang散san放fang在zai田tian間jian的de蔗zhe葉ye歸gui攏long並bing隔ge行xing放fang置zhi。蔗zhe葉ye全quan覆fu蓋gai還hai田tian處chu理li中zhong宿xiu根gen蔗zhe整zheng個ge生sheng育yu期qi土tu壤rang含han水shui量liang與yu對dui照zhao處chu理li比bi起qi伏fu不bu大da
，蔗zhe葉ye全quan覆fu蓋gai能neng夠gou保bao持chi一yi定ding的de土tu壤rang水shui分fen，但dan對dui宿xiu根gen蔗zhe萌meng芽ya出chu苗miao有you一yi定ding的de抑yi製zhi作zuo用yong，這zhe主zhu要yao是shi因yin為wei蔗zhe葉ye中zhong含han有you大da量liang的de酚fen酸suan和he黃huang酮tong類lei物wu質zhi，此ci類lei化hua感gan物wu質zhi和he自zi毒du物wu質zhi對dui宿xiu根gen蔗zhe芽ya的de萌meng發fa具ju有you強qiang烈lie的de抑yi製zhi作zuo用yong。而er我wo們men通tong常chang使shi用yong多duo點dian土tu壤rang溫wen濕shi度du記ji錄lu儀yi來lai進jin行xing土tu壤rang水shui分fen的de跟gen蹤zong測ce定ding。多點土壤溫濕度記錄儀在zai測ce定ding土tu壤rang水shui分fen的de同tong時shi，還hai可ke以yi給gei我wo們men相xiang關guan的de土tu壤rang溫wen度du信xin息xi，以yi便bian我wo們men更geng好hao的de了le解jie土tu壤rang的de生sheng理li狀zhuang況kuang。由you此ci
，實shi施shi蔗zhe葉ye全quan覆fu蓋gai還hai田tian時shi需xu要yao把ba蔗zhe蔸dou附fu近jin的de蔗zhe葉ye稍shao微wei撥bo開kai一yi點dian距ju離li，讓rang蔗zhe蔸dou透tou光guang來lai最zui大da程cheng度du地di避bi免mian還hai田tian蔗zhe葉ye中zhong的de酚fen酸suan和he黃huang酮tong類lei物wu質zhi的de影ying響xiang。試shi驗yan中zhong等deng行xing距ju蔗zhe葉ye和he地di膜mo覆fu蓋gai還hai田tian處chu理li前qian期qi保bao水shui效xiao果guo較jiao好hao
，中zhong後hou期qi土tu壤rang水shui分fen相xiang對dui反fan而er有you降jiang低di的de趨qu勢shi，可ke能neng是shi因yin為wei試shi驗yan中zhong采cai用yong了le可ke降jiang解jie地di膜mo，到dao中zhong後hou期qi地di膜mo已yi部bu分fen降jiang解jie，從cong而er導dao致zhi土tu壤rang水shui分fen蒸zheng發fa加jia劇ju。另ling一yi方fang麵mian，宿xiu根gen蔗zhe整zheng個ge生sheng育yu期qi甘gan蔗zhe行xing間jian的de土tu壤rang含han水shui量liang相xiang對dui均jun高gao於yu對dui照zhao的de焚fen燒shao處chu理li
，說shuo明ming甘gan蔗zhe行xing間jian在zai還hai田tian蔗zhe葉ye覆fu蓋gai下xia，鎖suo住zhu相xiang當dang的de土tu壤rang水shui分fen，利li於yu甘gan蔗zhe根gen係xi的de橫heng向xiang生sheng長chang，擴kuo大da甘gan蔗zhe的de營ying養yang吸xi收shou麵mian積ji，同tong時shi能neng夠gou有you效xiao促cu進jin甘gan蔗zhe根gen係xi的de新xin老lao更geng替ti。