搜索结果: 1-15 共查到“农学总论 uptake”相关记录15条 . 查询时间(0.234 秒)
Influence of phosphocompost application on phosphorus availability and uptake by maize grown in red soil of Ishigaki Island, Japan
Phosphocompost Rock Phosphate Available P Maize Red Soil
2013/2/28
Phospho compost application is important with respect to soil fertility and plant nutrition. Therefore, the objective was to evaluate the influence of phospho compost application on P availability and...
Uptake and distribution of 14C-labeled Fosthiazate in tomato (Lycopersicon esculentum L.)
14C-Fosthiazate Uptake Translocation Systemicity Tomato
2013/3/4
The uptake of 14C-labeled fosthiazate (0.75 mg.L–1) by tomato plants was studied in solution culture both in the presence or absence of 2, 4 dinitrophenol (DNP, 1 × 10–2 mM), a metabolic inhibitor. Fo...
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...
Eff ect of mycorrhizal inoculation on growth, nitrogen fi xation,and nutrient uptake in Cicer arietinum (L.) under salt stress
Cicer arietinum Glomus mosseae growth nitrogenase nutrients
2011/3/29
Most legumes in natural conditions form a symbiosis with arbuscular mycorrhizal (AM) fungi. AM fungi
in saline soils have been reported to improve salinity tolerance and growth in plants. In the pres...
Nitrogen Uptake and Yielding Ability of Non-nodulating Soybean Genotype (En1282) under Organic Nitrogen Application (Dried Cattle Feces)(Agronomy)
Cattle feces Guinea grass Nitrate Nitrogen uptake
2009/7/10
The nitrogen uptake and yielding ability of non-nodulating soybean genotype (En1282) were investigated under field conditions. Dried cattle feces were applied at levels ranged from 192 to 960 kg N/ha ...
Serial Change of Nitrogen Uptake after Topdressing for Rice Plants
Bleeding sap Lowland rice Nitrogen uptake Topdressing
2009/7/8
The change of nitrogen (N) uptake after topdressing was estimated from the N concentration in bleeding sap and bleeding rate of the sap in a lowland rice variety, Koshihikari, grown in a pot and in th...
Effect of vermicompost enriched with rock phosphate on the yield and uptake of nutrients in cowpea（Vigna unguiculata [L. ] Walp)
Cowpea nutrient uptake vermicompost yield
2009/2/20
A field experiment was conducted in a Rhodic Haplustox during 1997-98 to study the effect of enriched vermicompost on the yield and uptake of nutrients by cowpea. Among the different treatments trie...
Effect of fertilization method on the uptake and accumulation of mineral components in the initial period of maize development
maize fertilization uptake mineral components
2008/11/24
On the basis of a 4–year study, the effect of fertilization methods on the uptake and accumulation of mineral components by maize was evaluated. Two methods were used: by broadcasting over the whole s...
Evaluation of some water extraction models in predicting water uptake of pigeonpea
water extraction model pigeonpea
2008/11/19
There is the need to have model(s) that best describe water uptake for pigeonpea. Three water extraction models published in the literature and one suggested by this author were examined for two pigeo...
Nitrogen content and its uptake by maize as influenced by some meteorological elements and fertilization
maize N content N uptake temperature saturation deficit
2008/11/13
The experiment was conducted during the period 1982�1987 at the field station Sredec, Stara Zagora region on leached Smolnitza soil. Two maize hybrids (300 and 700 FAO) grown under irrigation a...
Direct and Residual Effect of Sulphur on Growth, Nutrient Uptake, Yield and its Use Efficiency in Maize and Subsequent Greengram
Sulphur yield attributes yield of maize nutrient uptake S use efficiency value cost ratio
2010/11/11
Field experiments were conducted with maize and green gram in sandy clay loam soils of
Thondamuthur block of Coimbatore district to study the direct and residual effect of S application on growth, nu...
The Associative Effect of VA Mycorrhizae with Bradyrhizobium as Biofertilizers on Growth and Nutrient Uptake of Arachis hypogaea
Peanut plants Bradyrhizobium VA mycorrhizae nitrogen phosphorus potassium
2010/11/11
Pot experiments were carried out in virgin sandy soil amended with either rock phosphate or
2 super phosphate. The experiment aimed to investigate the influence of single or dual inoculation of N fix...
Effect of Controlled Release and Water Soluble Fertilizers on Nutrient (NPK) Uptake and Dry Matter Production of Chilli var. PKM-1
Controlled release fertilizer water soluble fertilizer sandy loam
2010/11/10
An investigation was carried out to find out the influence of controlled release fertilizers (CRF) and water soluble fertilizers (WSF) as NPK sources vis-a-vis standard fertilizers on the growth and n...
Plant Growth Promoting Rhizobacteria Effect on Antioxidant Status, Photosynthesis, Mineral Uptake and Growth of Lettuce under Soil Salinity
Lettuce PGPR salinity photosynthesis mineral uptake antioxidant enzyme
2010/11/8
This study was carried out to investigate the effects of plant growth promoting rhizobacteria (PGPR) on the antioxidant status, photosynthesis, mineral content and growth of lettuce (Lactuca sativa L....
COMPARATIVE UPTAKE AND PHYTOEXTRACTION STUDY OF SOIL INDUCED CHROMIUM BY ACCUMULATOR AND HIGH BIOMASS WEED SPECIES
phytoremediation weeds bioconcentration factor transportation index
2010/3/24
Plant species have been recently used for heavy metal accumulation and most of the studies
have been done on hyperaccumulator tolerant species. Metal hyperaccumulator plants though useful to phytoext...