日本69视频

　　針對(dui)桃園(yuan)施(shi)肥(fei)量差異(yi)較大，肥(fei)料用量、氮磷鉀配(pei)比、施(shi)肥(fei)時期(qi)和(he)方法等不合理，忽視施(shi)肥(fei)和(he)灌溉協調等問題，提(ti)出以(yi)下施(shi)肥(fei)原則： 

　　（1）合(he)理增加(jia)有機(ji)肥(fei)(fei)施用(yong)量，依(yi)據土壤肥(fei)(fei)力和早(zao)中晚熟(shu)品種及產量水平，合(he)理調控氮(dan)、磷(lin)、鉀肥(fei)(fei)施用(yong)水平，早(zao)熟(shu)品種的(de)需(xu)肥(fei)(fei)量比晚熟(shu)品種少20%～30%；注意鈣、鎂(mei)、硼(peng)、鋅(xin)或(huo)銅肥(fei)(fei)的(de)配合(he)施用(yong)；（2）肥(fei)(fei)料(liao)分配以桃果(guo)采(cai)摘后(hou)一個月后(hou)進行(xing)秋季(ji)基肥(fei)(fei)為宜(yi)桃果(guo)膨大期前后(hou)是追肥(fei)(fei)的(de)關鍵時期；（3）與(yu)優質栽培技術相結合(he)，采(cai)摘前3周不宜(yi)追施氮(dan)肥(fei)(fei)和大量灌(guan)水以免(mian)影(ying)響品質；夏季(ji)排水不暢的(de)平原(yuan)地(di)區桃園需(xu)做好起壟、覆膜(mo)、生草等土壤管理工作(zuo)；干旱地(di)區提(ti)倡采(cai)用(yong)地(di)膜(mo)覆蓋，穴(xue)貯肥(fei)(fei)水技術。 

　　施肥量及(ji)方法(fa) 

　　（1）產(chan)量(liang)(liang)(liang)水(shui)平(ping)(ping)3000公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)以上：有(you)機(ji)肥(fei)(fei)(fei)(fei)2～3方(fang)(fang)/畝(mu)(mu)(mu)(mu)，氮(dan)(dan)肥(fei)(fei)(fei)(fei)（N）15～18公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，磷肥(fei)(fei)(fei)(fei)（P2O5）8～10公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)（K2O）18～22公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)。（2）產(chan)量(liang)(liang)(liang)水(shui)平(ping)(ping)2000-3000公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)：有(you)機(ji)肥(fei)(fei)(fei)(fei)1～2方(fang)(fang)/畝(mu)(mu)(mu)(mu)，氮(dan)(dan)肥(fei)(fei)(fei)(fei)（N）12～16公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，磷肥(fei)(fei)(fei)(fei)P2O5）7～9公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)（K2O）17～20公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)。（3）產(chan)量(liang)(liang)(liang)水(shui)平(ping)(ping)1500-2000公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)：有(you)機(ji)肥(fei)(fei)(fei)(fei)1～2方(fang)(fang)/畝(mu)(mu)(mu)(mu)，氮(dan)(dan)肥(fei)(fei)(fei)(fei)（N）10～12公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，磷肥(fei)(fei)(fei)(fei) （P2O5）5～8公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)（K2O）12～15公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)。對前(qian)一年(nian)落葉早或負載量(liang)(liang)(liang)高的(de)(de)(de)(de)果(guo)園，應(ying)加強(qiang)根外(wai)追(zhui)肥(fei)(fei)(fei)(fei)，萌(meng)芽前(qian)可噴施(shi)(shi)2～3次(ci)1%～3%的(de)(de)(de)(de)尿(niao)素，萌(meng)芽后(hou)至(zhi)7月中旬之前(qian)，定期按2次(ci)尿(niao)素與1次(ci)磷酸二氫鉀(jia)(jia)(jia)的(de)(de)(de)(de)方(fang)(fang)式噴施(shi)(shi)，磷酸二氫鉀(jia)(jia)(jia)濃度為(wei)0.3%～0.5%。若前(qian)一年(nian)施(shi)(shi)用有(you)機(ji)肥(fei)(fei)(fei)(fei)數(shu)量(liang)(liang)(liang)較多，則當年(nian)秋季基施(shi)(shi)的(de)(de)(de)(de)氮(dan)(dan)、鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)可酌情(qing)減少1～2公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)，果(guo)實(shi)膨大期的(de)(de)(de)(de)氮(dan)(dan)鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)追(zhui)施(shi)(shi)量(liang)(liang)(liang)可酌情(qing)減少2～3公(gong)(gong)斤(jin)/畝(mu)(mu)(mu)(mu)。全部有(you)機(ji)肥(fei)(fei)(fei)(fei)、30%～40%的(de)(de)(de)(de)氮(dan)(dan)肥(fei)(fei)(fei)(fei)、100%的(de)(de)(de)(de)磷肥(fei)(fei)(fei)(fei)及50%的(de)(de)(de)(de)鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)作基肥(fei)(fei)(fei)(fei)于桃(tao)果(guo)采(cai)摘后(hou)的(de)(de)(de)(de)秋季采(cai)用開溝方(fang)(fang)法施(shi)(shi)用；其(qi)余60%～70%氮(dan)(dan)肥(fei)(fei)(fei)(fei)和(he)(he)50%的(de)(de)(de)(de)鉀(jia)(jia)(jia)肥(fei)(fei)(fei)(fei)分(fen)別在(zai)春季桃(tao)樹萌(meng)芽期、硬核(he)期和(he)(he)果(guo)實(shi)膨大期分(fen)次(ci)追(zhui)施(shi)(shi)（早熟品種(zhong)1～2次(ci)、晚熟品種(zhong)2～3次(ci)）。