搜索结果: 1-15 共查到“农学 water uptake”相关记录17条 . 查询时间(0.187 秒)
Foliar water uptake in arid ecosystems: seasonal variability and ecophysiological consequences
Rooting depth Cell wall elasticity Leaf water potential Transpiration Rain pulse Dew formation
2024/1/12
Foliar water uptake (FWU) has been reported for different species across several ecosystems types. However, little attention has been given to arid ecosystems, where FWU during dew formation or small ...
The impact of irrigation water quality on water uptake by orange trees
Saline water orange trees water uptake
2011/1/12
A greenhouse lysimeter study was carried out in Tottori (Japan) during August 2000 to explore the impacts of saline irrigation on water uptake by orange trees. Two lysimeters filled with sandy soil we...
Parametric modeling of root length density and root water uptake in unsaturated soil
Modeling optimization root distribution TDR water flow
2010/10/29
The problem of water movement through the root zone has attracted increasing interest during the last few decades. In this research, the spatial and temporal pattern of root water uptake in wetted soi...
根系吸水模型参数的混合遗传算法估算方法（Inverse Method Estimating Root Water Uptake Model Parameters Using Hybrid Genetic Algorithms）
根系吸水模型 参数优化 混合遗传算法
2009/9/11
构建了遗传算法与Levenberg-Marquardt算法相结合的混合遗传算法，用于求解根系吸水模型参数。分别进行数值试验和棉花根系吸水试验对混合遗传算法求解精度进行验证。数值试验表明，采用混合遗传算法优化求解根系吸水模型参数的优化值具有较高的精度，含水率资料的时间步长和空间步长对根系吸水模型参数的优化精度有较大影响，在实际中时间步长可取值5～10d，空间步长取值5～10cm。对室内棉花根系吸水进...
On Resistance to Water Transport in Crop Plants for Estimating Water Uptake Ability under Intense Transpiration
Corn Leaf xylem water potential Resistance to water transport Rice Soybean Transpiration rate
2009/8/5
Root water uptake ability is supposed to greatly affect the degree of midday depression in the photosynthetic rate of crop plants. However, there is no useful indicator for estimating it quantitativel...
Participation of Air Humidity and Water Uptake Ability in the Appearance of Cyclic Changes in the Rates of Photosynthesis and Transpiration of Peanut Plants
Air humidity Arachis hypogaea Net photosynthetic rate Stomatal oscillation Transpiration rate
2009/8/5
Factors causing the cyclic changes in the rates of net photosynthesis and transpiration of peanut plants were examined. In order to clarify the relationship between the transpiration demand and the o...
The Extent and Its Source of Variation for Characteristics Related to Seed Quality of Adzuki Beans:III. The water uptake of seeds and hardseededness
Adzuki bean Hard seed Interannual difference Locality Seed quality Vigna angularis
2009/7/28
Water uptake of seeds and hardseededness under 27°C soaking in adzuki bean (Vigna angularis) cv. Erimo-shozu were evaluated for seedlots (a total of 544 growers) collected from four districts in Hokka...
Deep Root Water Uptake Ability and Water Use Efficiency of Pearl Millet in Comparison to Other Millet Species
Deep root Deuterium Drought Heavy water Stable Isotope Transpiration Waterlogging Water source
2009/7/24
Pearl millet is better adapted to hot and semi-arid conditions than most other major cereals. The objective of this study was to compare the deep water uptake ability and water use efficiency (WUE) of...
Studies on the Flooding Tolerance and Water Uptake of Seed and Elongation Force of Seedling in Soybeans
Elongation force Emergence Flooding tolerance Soybean seedling Uptake
2009/7/24
Twenty-four soybean (Glycine max (L.) Merr.) varieties were used to investigate the relationship between flooding tolerance, water uptake of seed and elongation force in the period of seed germination...
Water Uptake by Seeds in Yellow-seeded Soybean (Glycine max (L.) Merrill) Cultivars with Contrasting Imbibition Behaviors
Flooding injury Imbibition damage Seed coat Seed hydration Seed moisture content Soybean
2009/7/23
The rate of water uptake by seeds is assumed to be an important factor affecting the susceptibility of seeds to flooding injury, but the traits which could contribute to restricting rapid imbibition b...
Effects of Subsoiling to the Non-tilled Field of Wheat-Soybean Rotation on the Root System Development,Water Uptake,and Yield
Deuterium Glycine max (L.) Merr. Heavy water No-tillage Stable isotope analysis Subsoiling Triticum aestivum L. Water source
2009/7/21
We introduced subsoiling to a field of wheat-soybean rotation where no-tillage practice had been conducted for five years and whose yield tended to decrease or stagnate. By subsoiling a half of each p...
Relation between Nitrogen Content of Rice and Water Uptake or Total Solids at Different Water Temperatures
Nitrogen content of rice Total solids Water temperature Water uptake ratio
2009/7/21
Relation between Nitrogen Content of Rice and Water Uptake or Total Solids at Different Water Temperatures.
Effects of Wetting Treatment Period and Moisture Content on Water Uptake by Wheat Grain During Germination and α-amylase activity
α-Amylase activity Germination Grain Moisture content Preharvest sprouting Water uptake Wheat
2009/7/21
To vary the moisture content in wheat grain from 20 to 45%, various quantities of water were instilled in non-dormant grains in two varieties and one pedigree(Chihokukomugi, Horoshirikomugi and Kitake...
Effect of Composition of Nutrient Solution on Nutrient and Water Uptake,Growth and Yield of ‘Nyoho’ Strawberry Grown with Peat Based Substrate
Composition Nutrient Solution Strawberry
2009/7/14
Growth, yield and uptake of nutrients were compared in strawberry (Fragaria × ananassa Duch. cv. Nyoho) grown with peat-based substrate (3 peat-moss: 1 RW granules) under CO2-enriched conditions (700-...
Reduction By Natural Resin of Water Uptake in Various Wood Species
Wood Water absorption Natural resin Water repellent effect
2009/1/15
Straight and clear sapwood specimens of 3x3x1.5 cm were prepared from spruce ( Picea orientalis L.), pine ( Pinus sylvestris L.), beech ( Fagus orientalis L.), and alder ( Alnus glutinosa Geartn. L.)...