tree vigor

常見(jiàn)例句

The effects of girdling on branch composition, tree vigor, trunk disease of Fuji apple trees were investigated in orchards.
調(diào)查研究了環(huán)剝對(duì)富士蘋(píng)果樹(shù)枝類(lèi)搆成、樹(shù)勢(shì)、枝乾病害等的影響。
The cutting back pruning of central section of spring shoots could stimulate growth of precocious walnut, and obviously strengthen the tree vigor and control branches withered.
從春梢中部短截脩剪，能夠刺激扶風(fēng)早實(shí)核桃植株的生長(zhǎng)，對(duì)增強(qiáng)樹(shù)勢(shì)和抑制枝條枯死有明顯作用。
The results showed that the shrink of fruit is closely related with fruit development, tree age, branch age, tree vigor, stand site, weather factor, insect attack, management, and variety.
結(jié)果表明：棗縮果病的發(fā)生與棗果發(fā)育期、樹(shù)齡、枝齡、樹(shù)勢(shì)、氣象因子、立地條件、蟲(chóng)害、栽培條件及栽培品種有密切關(guān)系。