1、nongjiafeiyaofushu。dapengshucaishiyongnongjiafeiyaochongfenfushu。yinweiweijingfushudenongjiafeicunyoubingjunhechongluan,geishucaishiyonghou,huijiangbinghaichuanbo。lingwai,ruguojiangnongjiafeizaidapenglizaixingfushu,huichanshenganqishaoshangcaimiao。
2、施肥方法要科學合理。底肥最好在蔬菜定植一周前施用,並與土壤混合均勻。
追肥可在距植株7~10厘米處溝施或穴追,追肥後要及時覆土、澆(jiao)水(shui),切(qie)忌(ji)將(jiang)肥(fei)料(liao)直(zhi)接(jie)撒(sa)在(zai)地(di)麵(mian)上(shang)或(huo)植(zhi)株(zhu)上(shang),以(yi)免(mian)肥(fei)料(liao)揮(hui)發(fa)或(huo)燒(shao)傷(shang)蔬(shu)菜(cai)秧(yang)苗(miao)。根(gen)外(wai)追(zhui)肥(fei)應(ying)在(zai)蔬(shu)菜(cai)需(xu)肥(fei)高(gao)峰(feng)期(qi)及(ji)蔬(shu)菜(cai)生(sheng)長(chang)後(hou)期(qi),應(ying)選(xuan)擇(ze)陰(yin)天(tian)或(huo)傍(bang)晚(wan)的(de)時(shi)候(hou)進(jin)行(xing),盡(jin)量(liang)將(jiang)肥(fei)液(ye)噴(pen)到(dao)新(xin)葉(ye)及(ji)葉(ye)子(zi)背(bei)麵(mian),以(yi)利(li)蔬(shu)菜(cai)吸(xi)收(shou)。
3、化hua肥fei施shi用yong量liang要yao適shi量liang。大da棚peng內nei肥fei料liao不bu易yi流liu失shi,過guo度du施shi用yong化hua肥fei,容rong易yi引yin起qi土tu壤rang中zhong鹽yan類lei濃nong度du增zeng加jia,輕qing則ze影ying響xiang蔬shu菜cai正zheng常chang生sheng長chang,重zhong則ze導dao致zhi土tu壤rang的de次ci生sheng鹽yan漬zi化hua。因yin此ci,施shi肥fei前qian要yao進jin行xing肥fei力li測ce定ding,進jin行xing配pei方fang施shi肥fei,切qie莫mo盲mang目mu施shi用yong。
4、微肥施用要適量。微量元素肥料在蔬菜上需求量雖小,但它在蔬菜代謝中的作用卻很大。目前常用的微肥有硼、鉬、鋅、鐵肥等。微肥多做基肥施用,也可用於拌種、浸種或根外追肥。微肥適量與過量之間的範圍比較窄,用量一定要準確,避免造成肥害。
5、shiyongzhiwushengchangtiaojiejifangfayaodedang。shiyonghaozhiwushengchangtiaojieji,huiduishucaizengchanqidaocujinzuoyong。danmeizhongtiaojiejizaiyingyongshangdouyouyidingdetiaojianhefanwei,youqiyaozhangwohaoshiyongdeshijianhenongdu,bukemahudayi,dabudaorangshucaizengchandexiaoguo。
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