tree vigor

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.
  調查研究了環(huán)剝對富士蘋果樹枝類構成、樹勢、枝干病害等的影響。
• 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.
  從春梢中部短截修剪，能夠刺激扶風早實核桃植株的生長，對增強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系。
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