tree seedling 中文意思是什麼

tree seedling 解釋
實生苗
  • tree : n 特里〈姓氏〉。n 1 樹〈主要指喬木，也可指較大的灌木〉。 ★玫瑰可以稱為 bush 也可以稱為 tree 2 木...
  • seedling : n. 【植物；植物學】1. 種子繁殖。2. 實生苗。
  1. Tree seedling quality grading of major species for afforestation

    主要造林樹種苗木質量分級
  2. Physio - ecological study on the seed germination and seedling growth in four legume tree species under elevated co2 concentration

    2濃度下4種豆科喬木種子萌發和幼苗生長
  3. The study on the young period of the seedling tree of fortunella hindsii swingle

    山金柑實生苗童期的研究
  4. Heze xinjun flowers and trees co., ltd. chinese tree peony, herb peony, seedling

    菏澤市信君花木開發有限公司菏澤牡丹芍藥花木
  5. The sowing and seedling raising experiments of castanopsis hystrix seed with different artificial treatments showed 1 - year - old c. hystrix seedling average height and average dbh with the treatments of hastening germination and cutting root were 22. 0 % and 117. 0 % higher than those without the root cutting treatment, respectively, the individual - tree lateral root number increased by 127. 71 %, the afforested survival rate increased by 23. 0 %

    摘要對紅錐種子採用不同人工處理的播種育苗試驗表明：紅錐種子經催芽斷根育苗處理后，其1年生苗木平均高和平均地徑分別比無斷根處理的高22 . 0 %和117 . 0 %單株側根數增加127 . 71 % ，造林成活率提高23 . 0 % 。
  6. Plant quarantine rules for mother tree and seedling of virus - free apple

    蘋果無病毒母本樹和苗木檢疫規程
  7. Regulation of forestry structure emphasizes on forestry protection for environment, with selecting suitable tree seedling and grass seeds, and forming views of plant community to avoid single species of tree seedling and grass seeds. forestry protection for environment should not be below 60 %, and economic forestry no more than 20 %

    林業結構調整要堅持的生態防護林為主，不低於60 ，控制經濟林不高於20 ，要選擇適地樹種和草種，還林還草要樹立植物群落思想，避免林、草品種單一化種植模式。
  8. The results showed : the relationships among cover of herbaceous layer, cover of liver moss layer, thickness of liver moss layer, thickness of root system twine layer and the distance between seedlings and adjacent tree were positive correlation ; the relation between litter and tile above five variables were negative correlation ; the variables of micro - habitat affecting seedling in the picea schrenkiana stand were generalized with moss, herbaceous, spatial distance, humus and litter ; litter and spatial distance between seedlings and adjacent tree were the most primary factors of micro habitat affecting regeneration of one year seedling

    結果表明：天山雲杉林分中草本層蓋度、苔鮮層蓋度、苔鮮層厚度、根系盤結層厚度、幼苗距大樹的距離5個環境變量之間為正相關；枯落物與草本層蓋度、苔蘚層蓋度、苔蘚層厚度、根系盤結層厚度、幼苗距大樹的距離為負相關；天山雲杉林微生境綜合因子可概括為「苔蘚」 、 「草本」 、 「空間距離」 、 「腐殖質」和「枯落物」 ；影響一年生幼苗更新最主要的微環境綜合因子為「枯落物」和幼苗距大樹的「空間距離」 。
  9. The paper overviews the formation and characteristics of the technique of rapid propagation of free virus in plant tissue culture, and its application in flower, wood, fruit tree, vegetable. . etc., and introduces the main technical link to produce the seedling, including the function and choice of media, the principle and need of donor plants, tame method and transplant request of plant, productive plan of seedling and budge means of cost

    摘要綜述了植物離體快速繁殖技術和脫毒技術的形成、特點及其在花卉、林木、果樹、蔬菜等方面的應用，闡述了利用快繁與脫毒技術生產種苗的主要技術環節，包括培養基的作用和選配要點、外植體選取的原則和快繁與脫毒的不同要求、試管苗馴化的方法與移栽要求、種苗生產計劃的制定與成本預算方法。
  10. Taxus chinensis var. mairei population in form. taxus chinensis var. mairei community using six aggregate indices ( c, i, i m, pai, ca, ), then analyze the causes of evolved pattern. the results indicated that the distribution pattern of seedling were all clumped in every plot, however, the distribution patterns of sapling, media tree and mature tree were mostly random. the trend of diffuse of form

    ）回歸分析法研究了南方紅豆杉林中南方紅豆杉幼苗、幼樹、中齡樹和成樹的分佈格局及動態，並分析格局形成原因，結果表明，各樣地南方紅豆杉種群幼苗均成聚集分佈，幼樹的分佈格局偏向于隨機分佈，而中齡樹與成樹則為隨機分佈，從幼苗到成樹，隨機擴散的趨勢十分明顯。
  11. Studies on developing container cultivation of tree seedling in liaoning province

    遼寧林業容器育苗發展問題的研究
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