所屬欄目:葡萄優(yōu)質(zhì)高效安全生產(chǎn)技術(shù)
1.適宜控制樹(shù)勢(shì)葡萄樹(shù)勢(shì)過(guò)強(qiáng)過(guò)弱均不利于開(kāi)花結(jié)果,只有健壯中庸的樹(shù)勢(shì)方可穩(wěn)定坐果。樹(shù)勢(shì)過(guò)強(qiáng),枝蔓的旺盛生長(zhǎng)必然消耗大量營(yíng)養(yǎng)物質(zhì),樹(shù)梢下部冬芽質(zhì)量較差,整形、更新修剪時(shí)因架面的需要,枝蔓不宜長(zhǎng)留,旺長(zhǎng)枝中、上部芽的質(zhì) ......(本文共 1766 字 ) [閱讀本文] >>