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- Effect of Soil Moisture Status on Some Eco-Physiological Indexes of Dominant Tree Species in the Pine Broadleaf Forest of Changbai Mountain. 土壤水分狀況對長(cháng)白山闊葉紅松林主要樹(shù)種葉片生理生態(tài)特性的影響
- It's one of the tree species I have just learned to know. 我剛認識的樹(shù)種。
- China has the world's most ancient tree species -- metasequoia. 中國有世界最古老的樹(shù)種 --水杉。
- Dormancy Depth of Several North-east China Tree Species. 東北幾個(gè)樹(shù)種苗木的休眠深度
- Shanxi allspice tree species of medicinal and spice. 山西香果藥用及香料樹(shù)種。
- This has provided valuable data for work in soil improvement. 這為土壤改良工作提供了寶貴資料。
- Lower slopes of the upper dry rainforest tree species. 為低山坡干性雨林中上層喬木樹(shù)種。
- A preliminary study on ecological response of dominant tree species in Korean pine broadleaf forest at ChangbaiMountain to soil water stress and their biomass allocation. 長(cháng)白山闊葉紅松林主要樹(shù)種對干旱脅迫的生態(tài)反應及生物量分配的初步研究。
- A preliminary study on ecological response of dominant tree species in Korean pine broadleaf forest at Changbai Mountain to soil water stress and their biomass allocation. 長(cháng)白山闊葉紅松林主要樹(shù)種對干旱脅迫的生態(tài)反應及生物量分配的初步研究
- Soil improved effect of vegetation restoration in Coal waste piles. 植被恢復下矸石山土壤改良效益研究。
- The protection forests were built with five Acacia tree species on coastal sandy soil in Dongshuan County,and their wind-resistance and drought-resistance was tested also. 應用大葉相思、肯氏相思、毛娟相思、馬占相思和厚莢相思等相思樹(shù)種在東山縣沿海沙地上營(yíng)建防護林,并對其抗風(fēng)、抗臺風(fēng)及抗連續干旱性能進(jìn)行了測定。
- improved tree species 林木良種
- The result indicated, that the tree species harder in salt-tolerance are salix 109, tamarisk, Chinese matrimony-vine, that can de ve lop in forestation on saline-alkali soil. 試驗結果表明，喬木樹(shù)種109柳，灌林樹(shù)種檉柳、枸杞耐鹽堿能力最強，可以在鹽堿土地上探索發(fā)展。
- Methods of soil auger and pot experiment were used to research vertical root distributions and drought resistance of main planting tree species in the Weibei loess plateau. 采用土鉆法和盆栽試驗研究了渭北地區主要造林樹(shù)種的垂直根系分布特征及其抗旱性。
- After soil improvement, the yield of this land has increased greatly. 改土后，這塊地的產(chǎn)量大幅提升。
- The writer is of the opinion that some site factors, such as climate, microtopography and soil are intimately correlated with the distribution and growth of tree species. 針對江蘇海岸各種立地環(huán)境條件,論述了如何選擇先鋒樹(shù)種和后繼樹(shù)種,使海岸造林取得預期效果。
- It is 700 metres in length and introduces 20 tree species along the walk. 樹(shù)徑全長(cháng)700米,介紹沿途20種樹(shù)木植物。
- The Comparison of Frozen Resistance of Several Tree Species of Ilex L. 幾種冬青屬植物抗凍能力比較。
- Pioneer Tree Species for Forestation in Sandy Land--Hippophae rhamnoides L. 沙地造林的先鋒樹(shù)種-沙棘。
- For the majority of tree species this method appears to be very well suited. 對于大多數樹(shù)種來(lái)說(shuō)，這個(gè)方法看來(lái)都是適合的。
