常見例句雙語例句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)剝對富士蘋果樹枝類搆成、樹勢、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,對增強(qiáng)樹勢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、樹齡、枝齡、樹勢、氣象因子、立地條件、蟲害、栽培條件及栽培品種有密切關(guān)系。 返回 tree vigor