改良代種子園 的英文怎麼說

中文拼音 [gǎiliángdàizhǒngziyuán]
改良代種子園 英文
advanced-generation seed
  • : Ⅰ動詞1 (改變) change; transform 2 (修改) revise; alter; modify 3 (改正) rectify; correct 4 ...
  • : Ⅰ名詞1. (善良的人) good people 2. (姓氏) a surname Ⅱ形容詞(好) good; fine; nice Ⅲ副詞(很) very; very much; indeed
  • : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
  • : 種名詞(姓氏) a surname
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : 名詞1 (種蔬菜、花果、樹木的地方) an area of land for growing plants 2 (供人游覽娛樂的地方) a ...
  • 改良 : 1 (去掉事物的個別缺點 使它更適合要求) improve; ameliorate 2 (改進) reform; 改良牧場 improved ...
  • 種子 : seed; semen; germ; grain; stock; spermo ; spermato ; gono 種子測定 seed testing; 種子處理 seed tr...
  1. The experimental results show that the characters of tree height, dbh, and volume, etc. of every family progenies of pinus massoniana seed orchard are all evidently higher than those of control ( ck ), 7 fine family materials whose volume growth exceeds the control ' s by 50 % are totally selected as the materials for building p. massoniana improved seed orchard and industrial raw material forest

    摘要對漳平五一國有林場馬尾松18個初選家系進行測定,採用隨機區組設計、 8次重復,對6年生的樹高、胸徑、材積等性狀進行測定,試驗結果表明:馬尾松各家系均明顯高於對照( ck ) ,共選出7個優家系材積生長超過對照50 %以上材料,作為營建馬尾松和工業原料林的材料。
  2. The selection effect was evident that 37. 5 % gain in single individual seed yield could be obtained, which achieved the purpose of improving seed orchard yield and increasing the genetic gain

    8年生材積可獲得增益10 . 6 % ,木材比重可獲得4 . 6 %的增益,單株產量可獲得增益37 . 5 % ,選擇效果明顯,達到提高產量、增加增益的目的。
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