搜索结果: 1-14 共查到“作物栽培学 efficiency”相关记录14条 . 查询时间(0.108 秒)
白建江（2021）SLAF-Based linkage map construction and QTL mapping of nitrogen use efficiency in rice (Oryza sativa L.) （图）
氮素 水稻 Nipponbare OM052 氮肥利用率
2023/2/27
氮素是植物生长发育所需的大量元素之一，水稻是我国的主要粮食作物，水稻生产对氮的需求仅次于水，是构成水稻生长成本的主要部分。目前，水稻氮肥表观利用率只有39%，即施氮肥量的50%以上残留在环境中。因此，在保证产量不减的基础上如何提高氮肥的利用效率，减少氮肥的使用量是我国农业可持续发展亟待解决的重要问题。
Deep within spinach leaves, vibrations enhance efficiency of photosynthesis（图）
Short pulses of light The molecular vibration Photosynthesis Charge separation Cells biology
2014/7/18
ANN ARBOR—Biophysics researchers at the University of Michigan have used short pulses of light to peer into the mechanics of photosynthesis and illuminate the role that molecule vibrations play in the...
Influence of water quantity on the yield, water use efficiency, and plant water relations of Leucaena leucocephala in arid and semi arid environment using drip irrigation system
Crop productivity water use efficiency multipurpose forest tree
2011/1/12
Water is considered an important factor in the arid and semi-arid areas because water shortage affects the agricultural production. The current study aimed to investigate the influence of water applic...
WATER USE EFFICIENCY OF DIFFERENT PLANTING METHODS IN COTTON (GOSSYPIUM HIRSUTUM L.)
Gossypium hirsutum ridging seedbed preparation water requirements Pakistan
2009/9/30
Water use efficiency in different planting methods of cotton (Gossypium hirsutum L.)
was evaluated at three locations in cotton zone of Punjab, Pakistan during the year
2004. Six planting methods vi...
Studies on Agronomic Traits of African Rice (Oryza glaberrima Steud.):II. Dry matter increase and water use efficiency
Annual Dry matter increase Leaf area ratio Oryza glaberrima Oryza sativa
2009/7/30
To compare the time courses of dry matter increase and water consumption in the two cultivated rice species, Oryza sativa L. and O. glaberrima Steud., six strains each of O. glaberrima and O. sativa c...
Effects of Canopy Light Distribution Characteristics and Leaf Nitrogen Content on Efficiency of Radiation Use in Dry Matter Accumulation of Soybean Cultivars
Dry matter production Leaf nitrogen content Light extinction coefficient Radiation conversion efficiency SLW Soybean Varietal difference
2009/7/30
The amount of dry matter produced per photosynthetically active radiation (PAR) intercepted by the canopy (EPAR) and factors which might affect EPAR were determined for various soybean cultivars, and ...
Contributions of Capacity for Soil Water Extraction and Water Use Efficiency to Maintenance of Dry Matter Production in Rice subjected to Drought
Drought Dry matter production Rice Transpiration Water use efficiency
2009/7/28
Dry matter production rate in plants is indicated by transpiration rate (Tr) multiplied by water use efficiency (WUE). Our objectives were to establish which of WUE or Tr is dominant in contributing t...
Cultivar Difference in Efficiency of Solar Energy Utilization in Two-rowed Barley of Warm Regions in Japan
Accumulated solar radiation Dry matter production Efficiency of solar energy utilization Grain production Two-rowed barley
2009/7/27
Cultivar differences of effeciency of solar energy utilization (Eu) and efficiency of solar energy utilization in grain (Eu grain) in two-rowed barley (34 cultivars) were investigated from 1987 to 198...
Effect of 2,4-Dichlorophenoxyacetic Acid on the Efficiency of Wheat Haploid Production by the Hordeum bulbosum Method
2,4-dichlorophenoxyacetic acid Embryo size Haploid Hordeum bulbosum Intergeneric cross Plant regeneration Triticum aestivum Wheat
2009/7/24
Intergeneric crosses between Japanese wheat cultivars (Triticum aestivum L. cv. Nishikazekomugi and Zenkojikomugi) and a tetraploid wild barley, Hordeum bulbosum L. were used to examine the effect of ...
Genotypic Differences in Dry Matter Accumulation, Nitrogen Use Efficiency and Harvest Index in Recombinant Inbred Lines of Rice under Hydroponic Culture
Dry matter accumulation Grain yield Harvest index Nitrogen use efficiency for dry matter accumulation Recombinant inbred line
2009/7/21
To examine the possibility of breeding high-yielding cultivars with high nitrogen use efficiency for dry matter accumulation (NUEd) and to provide simple criteria for the selecting and breeding high-y...
Effect of Leaf Rolling on Transpiration and Water Use Efficiency in Rice
Evaporative demand Leaf rolling Photosynthesis Rice Stomatal conductance Transpiration
2009/7/15
The aim of this study is to estimate the effects of leaf rolling on the transpiration, photosynthesis, dry matter production and water use efficiency(WUE), of four rice cultivars that differ in the de...
Effect of Dark Respiration on Dry Matter Production of Field-Grown Rice Cultivars:Comparison of growth efficiency between Nipponbare and Takanari-
Dark respiration rate Dry matter production Growth efficiency High-yielding cultivar Nitrogen fetrilization
2009/7/15
The dry matter production, dark respiration rate and growth efficiency of high-yielding rice cultivar 'Takanari', grown under two levels of nitrogen fertilization (11, 17 gN / m2), were compared with ...
Efficiency of Bumble Bees (Bombus (Bombus) terrestris L.) as Pollinators and Cultivar Selection of Blueberries for Forcing Culture
Pollinators Cultivar Bumble Bees Blueberries
2009/7/13
This study was investigated to clarify the efficiency of bumble bees (Bombus (Bombus) terrestris) as pollinators, and the cultivar selection of blueberries for forcing culture. The flowering and harve...
Crop and soil specific N and P efficiency and productivity in Finland
productivity fertilization wheat barley oats
2010/8/11
This paper estimates a stochastic production frontier based on experimental data of cereals production in Finland over the period 1977-1994. The estimates of the production frontier are used to analyz...