保護地蔬菜如何采用二氧化碳施肥
保護地蔬菜如何采用二氧化碳施肥
二er氧yang化hua碳tan是shi綠lv色se植zhi物wu光guang合he作zuo用yong所suo需xu的de碳tan源yuan，保bao護hu地di內nei的de二er氧yang化hua碳tan濃nong度du是shi個ge重zhong要yao的de環huan境jing指zhi標biao，實shi踐jian證zheng明ming棚peng內nei合he理li施shi用yong二er氧yang化hua碳tan氣qi肥fei是shi提ti高gao蔬shu菜cai產chan量liang的de一yi個ge重zhong要yao途tu徑jing。在zai冬dong季ji不bu通tong風feng情qing況kuang下xia，室shi外wai二er氧yang化hua碳tan不bu能neng及ji時shi補bu充chong，勢shi必bi會hui使shi某mou一yi時shi段duan作zuo物wu處chu於yu二er氧yang化hua碳tan饑ji餓e狀zhuang態tai，長chang期qi如ru此ci，勢shi必bi影ying響xiang作zuo物wu生sheng長chang發fa育yu，進jin而er影ying響xiang產chan量liang。因yin此ci，棚peng室shi生sheng產chan中zhong二er氧yang化hua碳tan氣qi肥fei的de施shi用yong必bi須xu引yin起qi足zu夠gou的de重zhong視shi。另ling外wai，二er氧yang化hua碳tan氣qi肥fei施shi用yong前qian需xu經jing過guo二er氧yang化hua碳tan含han量liang的de測ce定ding，此ci時shi用yong二氧化碳檢測儀進行測量。
常用二氧化碳氣肥施用主要有以下幾種方法：
一、huaxuefanyingfa。huaxuefanyingfashigenjuhuaxuefanyingyuanli，yongtansuanqinganhuozheshihuishiyuliusuanfanyingshengchengeryanghuatandefangfa。shengchanzhong，meimupengshikebuzhiduodian，yongwandengciqizuofanyingqi，diaozailidimian1.5米的空中，將硫酸注入水中，不斷攪拌，再加入碳酸氫銨；yekeyijiangliusuanzhuangrupingzhong，yongdaoguanjietongdaoxiamiandeshihuishiwaguanzhong，meitiananxufangruyixieliusuanlaichanshengeryanghuatan。muqianyeyouchangjiashengchanzizhushieryanghuatanfashengqi，yeshiliyonghuaxuefangfachanshengeryanghuatan，cichanpinshijiangqitifashengzhuangzhifangzaipengshizhongjian，liangbianshenchuhengxiangzhuguandao，liangmiyuandayikongyongsantongyuzongxiangguandaoxiangliangudingyupengshidingbu，shiyongzhongyongshoutilagankongzhifanyingliang，anxushifang。er、junfeikelifa。xianzaishichangshangyouyizhongeryanghuatanqifei，tashiliyongxiandaishengwujishuyuanli，caiyongweishengwufajiaogongyizhicheng。taduidaqiheturangwuwuran，duirenhenongzuowuwuduhai，tashiruturangzhongjinengchanshengeryanghuatanqitiyounengrongchuyoujifeisu，shiyongqilaicaozuojiandan，feixiaolianghao。cizhongqifeikelizhuang，lizhong10克，采用穴播法，每平方米種入土中一粒，深3厘米，種後需保持粒周土壤濕度80%以上，施入後第3天開始產氣，30天後產氣量下降，此時第二次施入粒肥，效果較好。三、增(zeng)施(shi)有(you)機(ji)肥(fei)法(fa)。此(ci)法(fa)通(tong)過(guo)增(zeng)施(shi)有(you)機(ji)肥(fei)，來(lai)增(zeng)加(jia)土(tu)壤(rang)腐(fu)殖(zhi)質(zhi)，改(gai)善(shan)土(tu)壤(rang)理(li)化(hua)性(xing)狀(zhuang)，促(cu)進(jin)根(gen)係(xi)呼(hu)吸(xi)作(zuo)用(yong)和(he)微(wei)生(sheng)物(wu)分(fen)解(jie)活(huo)動(dong)，最(zui)終(zhong)增(zeng)加(jia)二(er)氧(yang)化(hua)碳(tan)釋(shi)放(fang)量(liang)。四(si)、深施碳酸氫銨法。此法是應用碳酸氫銨的分解特性進行的，使用時每次每平方米施用10克碳酸氫銨，務必深施，可入土中7~8厘米，一次性不可多施，按天氣情況每隔15天可再施一次。
