搜索结果: 1-7 共查到“森林土壤学 production”相关记录7条 . 查询时间(0.167 秒)
Production and soil restoration effect of pioneer tree species in a region of allochthonous Norway spruce dieback
forest transformation regeneration methods birch aspen wood production soil chemistry
2017/4/6
The paper analyses the growth, structure, production and soil chemistry of different tree species stands 20 years after allochthonous spruce dieback. The experiment was carried out at lower altitudes ...
The effect of different tending on stand structure and quantitative production of European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia
quantitative production free crown thinning
2015/5/18
The paper deals with assessment of a long-term experiment (45 and/or 53 years of investigation) in the
90-years-old European beech (Fagus sylvatica L.) stand in a selected region of East Slovakia. T...
Assessing the short rotation woody biomass production on marginal post-mining areas
agroforestry black locust carbon accumulation short rotation coppice woody biomass
2015/3/27
The Lusatian lignite-mining district (Eastern Germany) is characterized by a high share of marginal post-mining areas. At these sites, crop yield is generally low, and hence, conventional land use sys...
Soil fertility status of 20 seed production areas of Tectona grandis Linn. f. in Karnataka, India
soil properties seed production area fruit production
2015/3/27
The seed production area (SPA) is an improved plantation managed for production of quality seeds for a large-scale plantation programme. The soil nutrient is one of several factors affecting seed prod...
Production and humus form development in forest stands established on agricultural lands ?Kostelec nad 萫rn齧i lesy region
afforestation agricultural lands tree species
2015/3/16
The afforestation of agricultural lands was carried out under different site and ecological conditions, including lower and medium elevated localities. The present study documents the rapidity of accu...
Dynamics of soil temperature and its influence on biomass production of herb layer in a submontane beech forest
soil temperature biomass production herb layer beech forest
2015/2/6
The paper summarizes the results of long-term measurements of soil temperature. The measurements were performed at two depths: 5 cm and 20 cm, on a series of five experimental plots with different sto...
Aspen regeneration, forage production, and soil compaction on harvested and grazed boreal aspen stands
forest grazing Peace River region forest soil
2009/2/11
The objective of our study was to determine the effects of timber harvesting and cattle grazing on aspen regeneration, forage production, and soil compaction on aspen cutblocks in the Peace River regi...