搜索结果: 1-15 共查到“农学 ash”相关记录31条 . 查询时间(0.143 秒)
Effect of wood ash mulch on growth of Scots pine seedlings after transplanting into peat soil: A pilot study
ash recycling forest soils nutrients soil additives
2018/3/6
Wood ash production from power plants and the use of recycled ash for earthworks and forest peatland fertilization
have increased markedly in Finland in recent decades. In this study, effects of wood...
Results of Czech ash provenance experiment
alluvial ecotype common ash height and diameter growth narrow-leaved ash progeny testing scree ecotype
2018/3/6
This study is focused on testing progenies of common and narrow-leaved ash based on the measurement of provenance
trial plots established in various forest regions under different site conditions wit...
Woolly ash aphid – is the alien bug posing a threat to European ash trees? – a review
Aphidoidea biocapacity climate changes invasiveness forecast species acclimatization zoogeography
2017/6/26
Prociphilus (Meliarhizophagus) fraxinifolii (Riley, 1879) (Hemiptera: Eriosomatidae) is an alien species in Europe that has been spreading quickly there. This paper presents the origin and current occ...
Assessment of plant biological diversity and soil characteristics in the pure ash tree stand and in mixture with beech (a case study of Lavij-Noor, Iran)
Hyrcanian forest mixed stand biodiversity Shannon-Wiener soil chemical properties
2018/3/6
The present study has been done to evaluate the impact of pure ash stand and mixed stand with beech on the herb layer
biodiversity and soil properties in the forests of Noor city. There is a unique s...
Fine root development and mycorrhization in Norway spruce stands one year after fertilization with potassium sulphate and wood ash
forest fertilization fine root ectomycorrhizal fungi
2016/1/29
We compared the effects of forest fertilization with wood ash and potassium (K) sulphate on growth and mycorrhizal colonization of fine roots and on other soil microorganisms in Norway spruce (Picea a...
Why was browsing by red deer more frequent but represented less consumed mass in young maple than in ash trees?!
browsing branch model Cervus elaphus Fraxinus excelsior Acer pseudoplatanus
2015/11/26
European ash (Fraxinus excelsior) and sycamore maple (Acer pseudoplatanus) are considered amongst tree species as some of the most attractive forage for red deer (Cervus elaphus). The aim of this pape...
Fraxinus sogdiana, a Central Asian ash species, is susceptible to Hymenoscyphus fraxineus
“Krüssmann’s ash belt” invasion routs invasion pathways introduction exotic trees
2015/7/28
Susceptibility of new host trees is an essential prerequisite for the alien pathogens. Today, an acute problem in Europe is ash dieback, caused by Hymenoscyphus fraxineus. Among the possible invasion ...
Effects of supplemental phytase on performance and tibia ash of broilers fed different cereals based diets
phytase maize wheat triticale
2015/6/1
A 21-day experiment with day-old broilers was conducted in order to assess the effect of phytase supplementation to different cereals-soybean meal based diets on broiler performance and tibia ash. Die...
Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuania
Scots pine needles wood ash nitrogen foliage nutrients
2015/3/12
In Lithuania, a typical Scots pine stand under the influence of wood ash and nitrogen fertilization, containing different treatments and the control, was analyzed. The study aim was to interpret the f...
Patterns and Severity of Crown Dieback in Young Even-Aged Stands of European Ash (Fraxinus excelsior L.) in Relation to Stand Density, Bud Flushing Phenotype, and Season
Hymenoscyphus pseudoalbidus crown damage
2015/3/10
The extent and temporal pattern of crown damage (attributed to Hymenoscyphus pseudoalbidus) in even-aged stands of
Fraxinus excelsior in relation to bud flushing phenotype, stand density, and season...
Effects of varying doses of Frisol on European ash (Fraxinus excelsior L.) planted on spoil banks
Frisol forte Frisol active Silvamix forte
2015/3/6
Frisol forte (FR F) and Frisol active (FR A) are slow-acting organic fertilisers recommended for reclamation and revitalisation of undeveloped soils and degraded areas. Tentative results of experiment...
Chalara fraxinea – ash dieback in the Czech Republic
Chalara fraxinea ash dieback Fraxinus excelsior Fraxinus angustifolia ash distribution Hymenoscyphus albidus
2015/3/3
The causal agent of ash dieback, the hyphomycete Chalara fraxinea, was isolated from a Fraxinus excelsior cv. Pendula tree, in the Arboretum Křtiny between Křtiny and Jedovnice in Drahany Hi...
Ecological valence of expanding European ash (Fraxinus excelsior L.) in the Bohemian Karst (Czech Republic)
Bohemian Karst European ash expansion oak
2015/3/3
In 2002 a study focused on the evaluation of height and density of expanding natural regeneration of
Fraxinus excelsior L. (FE) was carried out on Velká hora Hill, a locality in the Bohemian Karst (...
The characteristics of diameter growth and increment of introduced North American ash species at the sites of common alder
introduced American ash species Alnus glutinosa(L.) Gaertn. growth of mean stand diameter radial increment
2015/2/6
Research was conducted into diameter growth and increment of introduced American ash species at the sites of common alder (Alnus glutinosa[L.] Gaertn.) in three mixed stands of introduced ash and comm...
Impact of soil conditioners on the growth of European ash (Fraxinus excelsiorL.) on dumps
TerraCottem Frisol Bio-algeen Silvamix Forte Cererit European ash soil conditioners reclamations dumps anthropogenic substrates survival rate and growth costs
2015/2/6
The effects of soil conditioners TerraCottem, Frisol, Bio-algeen and fertilisers Silvamix Forte and Cererit on the survival rate and growth of European ash seedlings until the stage called established...