搜索结果: 1-15 共查到“农学 leaves”相关记录137条 . 查询时间(0.201 秒)
Modelling and Comparing Shading Effects of 3D Tree Structures with Virtual Leaves
shadow model TLS LiDAR agroforestry QSM Prunus avium insolation shade cast
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2023/12/6
Reduced solar radiation brought about by trees on agricultural land can both positively and negatively affect crop growth. For a better understanding of this issue, we aim for an improved simulation o...
Combining Different Transformations of Ground Hyperspectral Data with Unmanned Aerial Vehicle (UAV) Images for Anthocyanin Estimation in Tree Peony Leaves
hyperspectral tree peony anthocyanin (Anth) unmanned aerial vehicle (UAV)
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2023/11/30
To explore rapid anthocyanin (Anth) detection technology based on remote sensing (RS) in tree peony leaves, we considered 30 species of tree peonies located in Shaanxi Province, China. We used an SVC ...
Leaves as bottlenecks: The contribution of tree leaves to hydraulic resistance within the soil?plant?atmosphere continuum
drought responsehy drodynamic modelling leaf hydraulic conductivity plant hydraulicsplant water relations whole-tree hydraulic conductance
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2023/11/16
Within vascular plants, the partitioning of hydraulic resistance along the soil-to-leaf continuum affects transpiration and its response to environmental conditions. In trees, the fractional contribut...
Classification of Toona Sinensis Young Leaves Using Machine Learning And UAV-Borne Hyperspectral Imagery
Classification Toona Sinensis Young Leaves
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2023/6/2
Rapid and accurate distinction between young and old leaves of Toona sinensis in the wild is of great significance to the selection of T. sinensis varieties and the evaluation of relative yield. In th...
Decomposing leaves are a surprising source of greenhouse gases
Decomposing leaves greenhouse gases
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2017/7/21
Michigan State University scientists have pinpointed a new source of nitrous oxide, a greenhouse gas that’s more potent than carbon dioxide. The culprit?
Tiny bits of decomposing leaves in soil.This ...
Influence of rootstocks on different sweet cherry cultivars and accumulation of heavy metals in leaves and fruit
new rootstocks Prunus mahaleb orchard fruit tree flowering growth yield
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2015/12/30
Two seedling rootstocks of Mahaleb cherry (Prunus mahaleb L.) from a German type cv. Alpruna marked as No. 2 and No. 6 were selected for their semi-dwarfing properties from biotypes growing at the Rur...
Performance of broilers fed diets supplemented with dry peppermint (Mentha piperita L.) or thyme (Thymus vulgaris L.) leaves as growth promoter source
broiler growth promoter herb leaf growth performance digestive tract
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2015/6/5
A study was conducted to determine the performance, carcase and gastrointestinal tract (gut) characteristics of broilers fed diets supplemented with dry peppermint (Mentha piperita L.) or thyme (Thymu...
Post-harvest longevity of leaves of the sea lavender (Limonium latifolium (Sm.) Kuntze) after application of growth regulators
fl orists’ greens vase live index of leaf greenness
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2015/3/19
Conditioning is a simple and eff ective method of post-harvest longevity of both fl owers and fl orists’ greens. Performing this treatment immediately after harvest by the producer i...
Microelements content in leaves of raspberry cv. Willamette as affected by foliar nutrition and substrates
Rubus idaeus L. foliar fertilizer growing medium nutrients DOP index
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2015/3/17
Raspberry (Rubus idaeus L.) cultivar Willamette has long been the most commonly grown raspberry cultivar in Serbia, which is owing to high adaptability of the cultivar to respective agro-environmental...
Cohabitation and Intraleaf Distribution of Phytoseiid Mites (Acari: Phytoseiidae) on Leaves of Corylus avellana
Kampimodromus aberrans leaf microhabitat phytoseiid location shelter
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2015/3/2
Leaves from uncultivated and unsprayed hazelnut shrubs, Corylus avellana, were sampled from June to August
2005 to obtain information on the phytoseiid mite taxocenoses, population density and intra...
Morphological and physiological parameters of beech leaves (Fagus sylvatica L.) in research demonstration object Poľana
beech (Fagus sylvatica L.) morphological characteristics assimilatory apparatus tree crown levels chlorophyll fluorescence
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2015/2/6
Observations of the beech assimilatory apparatus in different levels of a model tree were realised from 1993 to 1999 in a research demonstration plot situated in Poľana. Different observations of...
The influence of stand density on Mn and Fe concentrations in beech leaves
Fagus sylvatica L. leaf concentration iron manganese shelterwood cutting
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2015/2/6
A shelterwood system is widely used in forest management practice. Favourable ecological conditions for the growth of desired natural seedlings are provided by a successive canopy reduction. The impac...
Influence of stand density on Zn and Cu concentrations in beech leaves
Fagus sylvatica L. leaf concentration zinc copper shelterwood cutting
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2015/2/6
The paper deals with the response of leaves in a beech stand to opening after shelterwood cutting of various intensity (stocking of 0.3, 0.5, 0.7, 0.9) performed in 1989. The research was running in 1...
Feeding of the willow leaf beetle Lochmaea capreae L. (Coleoptera, Chrysomelidae) on leaves of birch (Betula pendula Roth) contaminated by heavy metals
Lochmaea capreae cadmium manganese lead zinc feed preference laboratory conditions
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2015/2/2
The effect of contamination of birch (Betula pendula Roth) leaves with heavy metals on the feeding of imagoes of the willow leaf beetle (Lochmaea capreae L.) was studied under laboratory conditions. T...
The absorption of certain radicals by leaves in varying stages of decay, and the effect of leaves on the absorption of these radicals by a soil
Leaf-mold Soil absorption and adsorption
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2015/1/26
The absorption of certain radicals by leaves in varying stages of decay, and the effect of leaves on the absorption of these radicals by a soil.