就永康市农田林网现状、功能分析、造林地立地条件及适宜树种进行了分析探索。
The present situation of field forest network, analysis on its function, site condition for afforestation and the preferential tree species in Yongkang city were analysed and discussed.
旱地、天然草地和未成林造林地三者变化面积占四子王旗土地变化面积的96.67%。
Dry land, natural grassland and immature forest of change area account for 96.67% of land change area in Siziwang banner.
对试验资料的初步分析表明,马尾松造林地整地规格与母岩和土壤质地之间存在较为密切的相关关系。
The results of preliminary analysis to the experiment data showed that there was rather close correlation between size of planting hole and parent rocks and soil textures.
通过对新造角竹两个样株当年发鞭情况的调查,揭示角分在成片造林地中新鞭的垂直分布和水平分布;
Investigations on two current rhizomes in new Phyllostachys fimbriligulaplantation showed the vertical and horizontal distribution of now rhizome.
对1997 - 2002年的土地变化流向进行了分析,旱地和天然草地主要流向了未成林造林地。
The analysis of land change direction flow from1997 to 2002, dry land and natural grassland mainly flow to the immature forest lands.
正如改造林地涌入城市,可以改变当地的气候,科学家已经发现的证据表明,三峡大坝,其巨大的水库可能产生类似的效果。
Just as transforming forested lands into cities can change the local climate, scientists have found evidence that Three Gorges Dam and its enormous reservoir might have a similar effect.
结果表明,在海岸湿地进行植被恢复和造林地规划时,应重视滩涂潮汐浸淹深度的影响,尽量选择浅滩地、中滩地营造红树林。
The result showed that shallow or medium beach must be elected when we carry out vegetation renewal and cultural planning, with the effect of tide on beach.
主要依据适地适树原则及工作的具体需要进行造林设计,划分了造林地主要立地类型,并制定了林分改造年度计划和造林地类型表;
Mainly according to the rules of suitable trees and suitable sites and the work need, authors divide the stand types, then design the yearly stand rebuilding plans and stand types tables.
注:2007年起,造林总面积中增加无林地和疏林地新封山育林面积。
Note: Since 2007, area of afforestation include the area of no or spare with forests.
本文介绍了杨树栽培林地的选择、造林方法及造林后的管理工作。
The selection of poplar woodland planting, planting methods and management after planting are introduced.
一些长期项目将会是旧林地的维持,矿产区域的重新造林或是种植新的森林地区,以防止土壤被侵蚀。
Some long-range projects might be the preservation of an old-growth forest, the reforestation of mining tracts, or planting new forest areas to forestall soil erosion.
也就是说随着造林时间的延长,林地土壤微生物总量和土壤生物肥力有提高的趋势。
This suggested that the soil microbe number and bio-fertility were increased with the increase of plantation time.
划分森林立地类型,综合评价林地质量,是适地适树,科学地进行营造林和预测森林生产力的基础。
Dividing the forest site type, comprehensive appraisal the quality of forest land are the bases to match species with the site, scientifically mange and afforest and predict productivity.
集水造林通过增加植树带汇流量改善了林地土壤水分环境,从而影响到林分物质生产水平。
Afforestation by water-harvesting improves the soil water environment in forest owing to increase of runoff volume collected in the planting strip, so that the productivity of forests is influenced.
集水造林通过增加植树带汇流量改善了林地土壤水分环境,从而影响到林分物质生产水平。
Afforestation by water-harvesting improves the soil water environment in forest owing to increase of runoff volume collected in the planting strip, so that the productivity of forests is influenced.
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