搜索结果: 1-4 共查到“农学 pure and mixed stands”相关记录4条 . 查询时间(0.062 秒)
The elasticity of growth in pure and mixed stands of Norway spruce (Picea abies [L.] Karst.) and common beech (Fagus sylvatica L.)
elasticity of growth density-growth-relationship risk spreading
2015/1/28
This study indicates that the growth of mixed stands with Norway spruce (Picea abies [L.] Karst.) and common beech (Fagus sylvatica L.) is more stable across a range of stand densities than it is in p...
Carbon Stock Assessment at a Regional Level, on Pure and Mixed Stands, Based on Inventory Data: A Case Study
Biomass BCEF Greenhouse Inventory Carbon Monitoring
2013/3/4
Following Kyoto protocol considerable research efforts have been made on carbon sequestration assessment of forest stands. The aim of the present study was to test the adequacy of two documented metho...
Weed suppression ability of spring cereal crops and peas in pure and mixed stands
mixing cropping peas spring cereals weeds
2010/1/19
Weeds were investigated in the stands of field pea (Pisum sativum L.), barley
(Hordeum vulgare L.), wheat (Triticum aestivum L.), oat (Avena sativa L.) and triticale
(Triticale hexaploide ...
Comparison of Decomposition Rates of Beech（Fagus orientalis Lipsky）and Spruce（Picea orientalis（L.）Link）Litter in Pure and Mixed Stands of Both Species in Artvin, Turkey
Decomposition litter quality beech spruce pure and mixed stands
2009/1/12
The decomposition of spruce, beech and mixed litters of spruce and beech was investigated over 3.5 years in beech, spruce and mixed (beech/spruce) stands using less than 1.5 mm mesh litter bags. Initi...