2.增施鉀肥:油桃果實進入著色期後,對鉀肥的需求量較高,適時增施鉀肥,可顯著增加產量,提高果實甜度。除葉麵噴施0.5%的磷酸二氫鉀溶液外,可采取追施硫酸鉀或含鉀較多的複合肥、草木灰等方法。一般每株施硫酸鉀0.25公斤,或施複合肥0.5公斤,或施草木灰2~4公斤,施肥後適量澆水。
3.增加光照:weishiwenshiyoutaodadaozhesehaodemude,bixucaiquzengguangcuoshi,shiwenshineiguangzhaoqiangduzengjia,gaishanshutiguangzhaotiaojian。yibankecaiquqiangshangguafanguangmu,shuxiapufanguangmo,qingsaopengmiandefangfajinxing。zaishineiwendubudiyutaoshusuoxuwendudeqiantixia,jinliangzaojielian、晚蓋簾,以促果麵增色。
4.疏梢、吊枝和摘葉:疏(shu)梢(shao)時(shi)首(shou)先(xian)疏(shu)去(qu)樹(shu)冠(guan)上(shang)部(bu)及(ji)外(wai)圍(wei)的(de)強(qiang)壯(zhuang)新(xin)梢(shao),其(qi)次(ci)是(shi)疏(shu)去(qu)樹(shu)冠(guan)內(nei)膛(tang)的(de)過(guo)密(mi)新(xin)梢(shao),使(shi)樹(shu)冠(guan)下(xia)部(bu)產(chan)生(sheng)光(guang)斑(ban)。吊(diao)枝(zhi)要(yao)在(zai)陽(yang)麵(mian)果(guo)實(shi)由(you)點(dian)紅(hong)變(bian)片(pian)紅(hong)時(shi),即(ji)采(cai)前(qian)10~15天tian,用yong細xi繩sheng將jiang下xia垂chui果guo枝zhi吊diao起qi來lai,並bing摘zhai除chu果guo實shi上shang部bu遮zhe光guang的de葉ye片pian,使shi陽yang光guang直zhi接jie照zhao射she到dao果guo實shi上shang。要yao防fang止zhi摘zhai葉ye過guo早zao,以yi免mian影ying響xiang果guo實shi發fa育yu,加jia重zhong裂lie果guo。
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