藥物防治病蟲(chóng)害

采果后及時(shí)噴氨基酸,或黃腐酸,或有機(jī)鉀,加斯德考普、稀土等,防凍抗旱,增加營(yíng)養(yǎng),提高樹(shù)體營(yíng)養(yǎng)水平,防止抽條。蘋(píng)果樹(shù)葉落葉后,幼齡樹(shù)體應(yīng)對(duì)樹(shù)盤(pán)進(jìn)行樹(shù)干基部培土,防止基部根系受凍。還可對(duì)樹(shù)干基部及主枝涂一層生石灰水,使之 ......（本文共 262 字 ）     [閱讀本文] >>