genjuhuashengdeyingyangtedian,huashenggaochandeguanjianshiyaoyoujiaogaodeturangfeilijichu,danzhegefeilijichubingbunengtongguodangnianzengshifeiliaodadao,ershichangqipeifeidejieguo。yinci,zaigaochanshifeishang,bixujianliyongdiyangdixiangjiehedepinghengshifeizhidu,tongguopinghengshifei,junhengdili,shihuashenggaochantianzaiyongzhongyang、養中用、用養結合。
有機肥和化肥相結合
為了提高花生田土壤的有效養分,並使其形成上鬆下實、氣qi水shui協xie調tiao的de土tu體ti結jie構gou,在zai施shi肥fei種zhong類lei上shang必bi須xu有you機ji肥fei與yu化hua學xue肥fei料liao相xiang結jie合he。有you機ji肥fei不bu僅jin含han有you較jiao豐feng富fu又you較jiao完wan整zheng的de營ying養yang元yuan素su,而er且qie還hai含han有you可ke以yi改gai良liang土tu壤rang結jie構gou的de有you機ji質zhi。化hua學xue肥fei料liao含han營ying養yang元yuan素su單dan一yi,氮dan速su效xiao養yang分fen含han量liang高gao,兩liang者zhe配pei合he施shi用yong可ke以yi相xiang互hu促cu進jin,提ti高gao肥fei效xiao,改gai良liang土tu壤rang結jie構gou,不bu斷duan培pei肥fei地di力li。
前茬施肥與當茬施肥相結合 huashengyouxifafeidetedian,gaochanhuashengsuoxuyaodeyingyangyuansu,daduoxiziyuanturangzhong,yinci,zaizhongdengyishangdilidehuashengtian,qianchashifeibihuashengdangchashifeixiaoguogenghao,liangshiduoshou,huashengfengchan。jushiyan,zaiqianchazhongganshu,houchazhonghuasheng,liangnianliangchazuowudezongshifeiliangxiangtongdetiaojianxia,ganshuyidangchashiquanfeidechanliangzuigao,bibushifeidezengchan26.7%。花生前茬甘薯施全肥比當茬施全肥的增產14.7%。
zaiqianchashifeidejichushang,dangchazhonghuashengshidangzengshifeiliao,jinguanhuashengduisuoshifeiliaoyangfendexishouliyonglvjiaodi,danduizhongchantianzengchanxianzhu,duigaochantianyeyouyidingdezengchanxiaoguo,bingnengbuchangchanchuxiaohaodeturangyangfen。suoyihuashenggaochantianshifei,bixucaiquqianchazengfeipeifeidili,dangchashifeibuchangdili,yongyangjiehedepinghengshifeifangfa。
基肥為主,追肥為輔
huashengkaihuaxiazhenqiyiqianshigenxixifeilizuiqianghexifeiliangzuiduodeshiqi,yincigaochanhuashengsuoxufeiliao,yaoquanbuhuodabufenjiehedonggenghezaochungengdizuojifeihezhongfeishiyong。ruguojifeibuzuyouweishizhongfei,keshidangzhuifei。danzhuifeishijianyaozao,yibanyukaihuaxiazhenqiyiqianjinxing。shengchangfayuzhonghouqiweilecujinjiaguodebaomandu,kejinxinggenwaizhuifei。
花生當茬的施肥比例
根據高產花生對氮、磷、鉀主要營養元素吸收量和肥料的吸收利用率,采用氮減半、磷加倍和鉀全量的施肥比例。即每畝施氮13.5公斤、磷11公斤、鉀16公斤,折合每畝施優質圈肥5000公斤、尿素13公斤或碳銨35公斤、過磷酸鈣72公斤、硫酸鉀22公斤或氯化鉀18公斤或草木灰138公斤。
中肥田土壤基礎肥力較低,要實現高產,采用氮、鉀全量施,磷肥加倍施的施肥比例。即每畝施氮27公斤、磷11公斤、鉀16公斤,折合每畝施優質圈肥5000公斤、尿素42.5公斤或碳酸氫銨115公斤、過磷酸鈣72公斤、硫酸鉀22公斤或氧化鉀或草木灰138公斤。
手機版




