梨樹根 的英文怎麼說
中文拼音 [líshùgēn]
梨樹根
英文
bretschneider pear root-
The infestation of avocado root rot disease is not visually detectable.
鱷梨樹根腐病的感染用視覺是無法探測出來的。The fruit industry starts the structure adjustment in tree species and the varieties. accoring the developmental siuation of fruit industry in shandong, this paper makes a general planning to the location of fruits species, based on the aim to improve competition - ability and estalish a stronger horticultural province, based on some theories and primairy ecological pricilples. in shandong, the apple trees should be 40 %, pear trees 20 %, and neuclear fruit trees 20 %, dried fruit trees 10 %, others about 10 %
針對上述發展形勢，利用農業可持續發展理論、農業區位理論和邊際報酬變動規律與規模報酬等理論，根據「適地適樹」的基本生態原則，按照建設果業強省的整體要求，從全面提高山東省果業競爭力角度出發，我們對山東水果樹種整體布局進行了規劃:蘋果40 % 、梨20 % 、核果類20 % 、乾果類10 % 、漿果類和其它雜果10 %左右。Ginnala ' s leaf becomes thicker and its leaf area of a plant decrease. the specific leaf area under drought conditions is : a. ginnala > p. davidiana > m. baccata > p. ussuriensis. ( 5 ) un der drought conditions, all of the four species have the abilities to adapting drought environment by increasing root biomass
茶條槭在乾旱脅迫下比葉面積最高，山桃、山荊子次之，山梨最低； （ 5 ）在水分脅迫下，四樹種均能通過顯著增加根量分配來適應乾旱。
分享友人