搜索结果: 1-15 共查到“农学 N use efficiency”相关记录53条 . 查询时间(0.11 秒)
Convergence in water use efficiency within plant functional types across contrasting climates
water use efficiency plant functional types climates grassland permanent wetland savannah deciduous broadleaf and deciduous needleleaf forest
2023/11/28
Water use efficiency (WUE) provides a direct measure of the inextricable link between plant carbon uptake and water loss, and it can be used to study how ecosystem function varies with climate. We ana...
南京农业大学农学院《New Phytologist》发表耕作制度与农田生态课题组“Temporal complementarity be tween roots and mycorrhizal fungi drives wheat nitrogen use efficiency”（图）
耕作制度 农田生态
2022/3/23
2022年8月28日，南京农业大学耕作制度与农田生态课题组的最新研究成果“Temporal complementarity be tween roots and mycorrhizal fungi drives wheat nitrogen use efficiency”在New Phytologist上发表。该成果揭示了氮高效小麦品种在花前依赖根系吸收氮素而花后依赖丛枝菌根真菌(AMF)促进花前...
南京农业大学农学院《New Phytologist》发表耕作制度与农田生态课题组“Temporal complementarity be tween roots and mycorrhizal fungi drives wheat nitrogen use efficiency”.（图）
耕作制度 农田生态 籽粒生物
2023/10/28
2022年8月28日，南京农业大学耕作制度与农田生态课题组的最新研究成果“Temporal complementarity be tween roots and mycorrhizal fungi drives wheat nitrogen use efficiency”在New Phytologist上发表。该成果揭示了氮高效小麦品种在花前依赖根系吸收氮素而花后依赖丛枝菌根真菌(AMF)促进花前...
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。
Tree Water Use, Water Use Efficiency, and Carbon Isotope Discrimination in Relation to Growth Potential in Populus deltoides and Hybrids under Field Conditions
poplar (Populus) hybrid water-use efficiency sap flow productivity carbon isotope discrimination stomatal conductance
2024/2/27
We explored the relationship between tree growth, water use, and related hydraulic traits in Populus deltoides Bartr. ex Marsh.and hybrid clones, to examine potential trade-offs between growth and wat...
Timer versus moisture sensor-based irrigation control of soilless lettuce:Effects on yield,quality and water use efficiency
Lactuca sativa L.var.capitata greenhouse volumetric water content leaching easily available water
2016/6/3
The study compares the effects of: timer (‘Timer’) and soil moisture sensor-controlled irrigation on soilless lettuce; two volumetric water content (Θ) thresholds for irrigation (0.30 (‘Θ = 0.3’) and ...
Contrasting growth and water use efficiency after thinning in mixed Abies pinsapo–Pinus pinaster–Pinus sylvestris forests
basal area increment carbon isotopes dendroecology
2016/3/2
Foresters frequently lack sufficient information about thinning intensity effects to optimize semi-natural forest management and their effects and interaction with climate are still poorly understood....
Improving phosphorus use efficiency for snap bean production by optimizing application rate
Phaseolus vulgaris optimum phosphorus rate productivity
2015/6/8
Six trials were conducted on sandy soils and muck soils in Hendry County
and Palm Beach County, Florida, USA. Before planting cv. Caprice snap bean, plots were fertilized with different P
applicat...
Effect of closed circuits drip irrigation system and lateral lines length on growth, yield, quality and water use efficiency of soybean crop
Closed Circuits Drip Irrigation Lateral Lines Soybean WUE
2013/2/28
Field experiment was conducted for one growing season (2012) in clay loam soil at the Experimental Farm of Faculty of Agriculture, Southern Illinois University at Carbondale (SIUC), USA on soybean cro...
Nutrient Use Efficiency of Three Fast Growing Hardwood Species across a Resource Gradient
Nutrient Use Efficiency Resorption N:P Biomass Production
2013/3/4
Attitudes regarding traditional energy sources have shifted toward renewable resources. Specifically, short-rotation woody crop supply systems have become more prevalent for biomass and biofuel produc...
Evapotranspiration and water-use efficiency of irrigated colored cotton cultivar in semiarid regions
Bowen Ratio Crop Evapotranspiration Irrigation Treatments Seed-Cotton Yield
2013/3/4
Irrigation studies provide a framework for evaluating agricultural production and the water resource management in locations where water is scarce. Field experiments were conducted at Barbalha- CE (no...
Cereal-forage crop rotations and irrigation treatment effect on water use efficiency and crops sustainability in Mediterranean environment
Alfalfa Binary Mixture Durum Wheat lrrigation
2013/2/27
Agricultural systems based on crop rotations favour sustainability of cultivation and productivity of the crops. Wheat-forage crops rotations (annual winter binary mixture and perennial alfalfa meadow...
Water use efficiency and yield of winter wheat under different irrigation regimes in a semi-arid region
Water Use Efficency Yield Surface and Drip Irrigation
2013/3/4
In irrigation schemes under rotational water supply in semiarid region, the water allocation and irrigation scheduling are often based on a fixed-area proportionate water depth with every irrigation c...
Effect of water stress at different periods on seed yield and water use efficiency of guar under Shambat conditions
Guar Water Stress Water Use Efficiency Harvest Index
2013/3/4
Water stress effects on seed yield and water use efficiency of three indeterminate guar (Cyamopsis tetragonoloba L. Taub.) lines (L12, L18 and L33) were investigated in the experimental farm of the Fa...
Resource Use Efficiency in Sesame (Sesamum indicum L.) Production under Organic and Inorganic Fertilizers Applications in Keana Local Government Area, Nasarawa State, Nigeria
Resource use efficiency organic and inorganic fertilizers
2010/11/15
The study examined resource use efficiency in Sesame production under organic and inorganic
fertilizers applications in Keana Local Government Area, Nasarawa State. Multi-stage random sampling was us...