土tu壤rang施shi肥fei,應ying根gen據ju根gen係xi分fen布bu特te點dian,將jiang肥fei料liao施shi於yu果guo樹shu根gen係xi分fen布bu層ceng內nei,以yi利li吸xi收shou,發fa揮hui肥fei料liao最zui大da的de功gong效xiao。施shi肥fei方fang法fa及ji施shi用yong的de深shen淺qian,應ying根gen據ju地di形xing、地勢、土壤質地、肥料種類,特別是根係分布的情況而定。應掌握肥料施在根係分布最多的土層內,並完全埋至土下,不致日曬雨淋,損失肥效。
土壤施肥是果園施肥的主要方式,其方法有以下幾種:
(1)環狀施肥 又you叫jiao輪lun狀zhuang施shi肥fei。是shi在zai樹shu冠guan外wai圍wei稍shao遠yuan處chu挖wa環huan狀zhuang溝gou施shi肥fei。此ci法fa具ju有you操cao作zuo簡jian便bian,經jing濟ji用yong肥fei等deng優you點dian。但dan挖wa溝gou易yi切qie斷duan水shui平ping根gen,且qie施shi肥fei範fan圍wei較jiao小xiao,一yi般ban多duo用yong於yu幼you樹shu施shi肥fei。
(2)半環狀施肥 這種施肥方法與環狀施肥類同,而將環狀中斷為3一4個豬槽式施肥溝。所以,又叫豬槽式施肥。此法較環狀施肥傷根較少,隔次更換施肥位置,可擴大施肥部位。平地、坡地均可適用,是丘陵山地果園施肥常用的方法。斜坡地施肥溝應挖在樹的上方和兩側。
(3)放射狀施肥 樹冠下麵距主幹1米左右處開始,以主幹為中心,向外呈放射狀挖4~6條溝。溝一般深30limi,jiangfeiliaoshiru。zhezhongfangfayibanjiaohuanzhuangshifeishanggenjiaoshao,danwagoushiyeyaobikaidagen。keyigenianhuogecigenghuanfangshegouweizhi,kuodashifeimian,cujingenxixishou。
(4)全園施肥成年果樹或密植果園,根係已布滿全園時多采用此法。將肥料均勻地撒布園內,再翻耕入土中深約20厘(li)米(mi)。優(you)點(dian)是(shi)全(quan)園(yuan)施(shi)肥(fei)麵(mian)積(ji)大(da),根(gen)係(xi)可(ke)均(jun)勻(yun)地(di)吸(xi)收(shou)養(yang)料(liao)。但(dan)因(yin)施(shi)得(de)淺(qian),常(chang)導(dao)致(zhi)根(gen)係(xi)上(shang)翻(fan),降(jiang)低(di)根(gen)係(xi)抗(kang)逆(ni)性(xing)。此(ci)法(fa)若(ruo)與(yu)放(fang)射(she)溝(gou)施(shi)肥(fei)隔(ge)年(nian)更(geng)換(huan),可(ke)互(hu)補(bu)不(bu)足(zu),發(fa)揮(hui)肥(fei)料(liao)的(de)最(zui)大(da)效(xiao)用(yong)。
(5)灌溉式施肥 即ji施shi肥fei與yu灌guan水shui結jie合he。近jin年nian來lai隨sui著zhe滴di灌guan技ji術shu在zai我wo國guo的de逐zhu步bu推tui廣guang,該gai法fa也ye逐zhu步bu應ying用yong。無wu論lun是shi與yu噴pen灌guan方fang式shi還hai是shi滴di灌guan方fang式shi相xiang結jie合he的de灌guan溉gai式shi施shi肥fei,由you於yu供gong肥fei及ji時shi,肥fei 分布均勻,既不斷傷根係,又保護耕作層土壤結構,節省勞力,肥料利用率又高。可提高產量和品質,又降低成本,提高經濟效益。
(6)genwaizhuifeiyouchengyemianpenshi。zhezhongshifeifangfadeyoudianshixishoukuai,jianxiaomingxian,jieshengfeiliao,qiebushouyangfenfenpeizhongxindeyingxiang,kejishimanzuguoshudejixu,bingkebimianyixieyuansuzaiturangzhonghuaxuedehuoshengwudegudingzuoyong。genwaizhuifeitebienengbuchongweiliangyuansufeiliao。dangenwaizhuifeizhinengshiturangshifeideyouyibuchongerbunengdaititurangshifei。
yishangzhongzhongshifeifangshigeyouqitedian,yingjieheshijiqingkuanglunhuancaiyong,hububuzu,yifahuishifeizuidaxiaoguo,bimiandanyifangfa。huolongguoshiyizhongteshudexinxingguoshu,qigenxiyuqitaguoshubutong,tameiyouzhugen,genxihenqian,jibendoufenbuzaiturangqianbiao,erqiejuyouqiangdadeqishenggen。yinci,zaishifeishiyingtebiezhuyibuyaoshangjigenxi。
手機版




