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帥師香桃樹苗基地-晚熟冬桃樹苗品種-現(xiàn)挖現(xiàn)賣-榮剛
價格
訂貨量(棵)
¥3.50
≥100
店鋪主推品 熱銷潛力款
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2、栽后第二年及以后的肥水管理:桃樹比柑桔、蘋果等耐瘠薄,但投產后每年至少應施三次肥。①萌芽肥:施肥量應占全年施肥量的10—20%,應以灌水為主,四川大部份地區(qū)都是冬干春旱,桃根又無休眠期,早春萌動需水較多,生長正常樹、花芽飽滿樹應以灌水為主,弱樹可適當增施一點速效氮肥,促弱樹生長轉旺,施肥時間在1月下旬—2月上中旬;②壯果肥:在幼果停止脫落即核硬化前的5月10號以后進行。這此肥料應以鉀肥為主,促進果實膨大,促進花芽分化,充實新梢,早熟種不施磷鉀肥,中熟種及晚熟種施鉀40%、氮15—20%、磷20—30%,樹勢旺、掛果又少者可以不施肥;③采果肥:一般在采果前后施用,其目的是及時恢復樹勢,促進葉片機能的活躍,增強同化作用,增加養(yǎng)分的積累,提高花芽分化的數(shù)量和質量,提高桃樹越冬抗寒力。一般早、中熟品種宜在采收后及時施用,晚熟品種在采收前施用,施肥量應占全年施肥量的50—60%,氮、磷、鉀三要素配合施,施肥比例為氮:磷:鉀=1:0.5:1;④秋施基肥:10—12月施下,以腐熟的有機肥為主,一般按一斤果一斤肥的原則施;⑤根外追肥:桃盛花初期、幼果期噴硼肥可提高座果率,果實膨大期噴磷、鉀肥可促進果實發(fā)育,減少采前落果,采果后噴施氮、磷、鉀肥可保葉,推遲落葉期,促進花芽分化。各種肥料噴施濃度,硼砂或硼酸0.1—0.3%,尿素0.3—0.4%,硫酸鉀0.3—0.5%,磷酸二氫鉀0.2—0.3%,硫酸鋅0.3%;⑥施肥方法:土壤施肥方法有環(huán)狀施肥法、溝狀施肥法及穴施法,幼樹采用環(huán)狀施肥法,大面積成年樹采用溝狀施肥法,山地采用穴施法。一般在樹冠滴水線上挖施肥穴。
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