搜索结果: 1-15 共查到“农学总论 nitrogen N”相关记录48条 . 查询时间(0.05 秒)
Effects of integrated nitrogen fertilization and irrigation systems, rootstocks, and cultivars on productivity, water and nitrogen consumption, and mineral nutrition of pear
N Fertigation Drip Irrigation Irrigation Water Consumption
2013/2/28
Water and nitrogen (N) management are key factors for sustainable pear production in many areas. Effects of integrated N fertilization and irrigation systems, rootstocks, and cultivars on pear (Pyrus ...
Evaluation of phosphorus and nitrogen balances as an indicator for the impact of agriculture on environment: A comparison of a case study from Poland and Mississippi US
Nitrogen Phosphorus Nutrient Efficiency Nutrient Availability Nutrient Budget
2013/2/28
The objective of this research was to quantify the changes of nitrogen (N) and phosphorus (P) balances in Poland and Mississippi (MS), USA. Nutrient balances were calculated as difference between inpu...
Reduced nitrogen availability during growth improves quality in red oak lettuce leaves by minimizing nitrate content, and increasing antioxidant capacity and leaf mineral content
Lactuca sativa L. Hydroponic Phenolic Content Zinc Manganese Magnesium
2013/3/5
Overuse of N in lettuce production can lead to environmental problems caused by leaching and the accumulation of harmful nitrates in edible tissues. This study investigated the effect of applied nitro...
Agrobacterium Tumefaciens Nitrogen Fixation System Expresses in Sinorhizobium meliloti (=Rhizobium meliloti)
Acetylene reduction dry weight root nodules Alfalfa Sinorhizobium meliloti Rhizobium meliloti Agrobacterium tumefaciens
2010/11/16
Kanvinde and Sastry (Appl. and Environ. Microbiol. 56:2087-2092, 1990) had previously
demonstrated that A. tumefaciens has all the physiological characters of a diazotroph. Genetic evidence indicates...
Identification of the QTLs for grain yield using RIL population under different nitrogen regimes in maize
Maize (Zea mays L.) grain yield quantitative trait locus
2011/1/12
Quantitative trait locus (QTL) mapping can provide useful information for breeding programs, since it allows the estimation of genomic locations and genetic effects of chromosomal regions related to t...
Agronomic assessment of grain yield and nitrogen loss and gain of old and modern wheat cultivars under warm climate
Nitrogen wheat dry matter cultivar efficiency
2011/1/10
In cereals, the main source of nitrogen for grains is nitrogen remobilized from vegetative parts shown to be depended on environmental and genotype factors. Field experiments were conducted to study t...
Response of new cotton varieties to nitrogen fertilization in Sudan Gezira
New cotton varieties cotton growth seed cotton lint yield
2011/1/11
The growth and yield responses of three newly released cotton varieties to nitrogen fertilization were evaluated in a two-year (2006 -2007) field experiment at Gezira Research Station (GRS), Central S...
Effect of Nitrogen Fertilization on Rocket Plants Tolerance to Cadmium and Their Chemical Composition
Rocket Nitrogen Cadmium Vegetation parameters Chemical composition
2010/11/15
Effect of Nitrogen Fertilization on Rocket Plants Tolerance to Cadmium and Their Chemical Composition.
山东农业大学生物化学英文课件Section M- Nitrogen metabolism
山东农业大学 生物化学 英文 课件 Section M Nitrogen metabolism
2009/12/14
山东农业大学生物化学英文课件Section M- Nitrogen metabolism。
Research shows impacts from airborne nitrogen（图）
airborne nitrogen fossil fuels fertilizers agriculture
2009/12/23
The impact of airborne nitrogen released from the burning of fossil fuels and widespread use of fertilizers in agriculture is much greater than previously recognized and even extends to remote alpine ...
EFFECTS OF CALCIUM FORMS ON ELECTROLYTE LEAKAGE, TOTAL NITROGEN, YIELD AND BIOMASS PRODUCTION BY STRAWBERRY PLANTS UNDER NACL SALINITY
biomass electrolyte leakage NaCl stress
2010/12/8
Strawberry (Fragaria ananassa Duch.) plants cv. Selva was grown in soilless culture under greenhouse conditions to present the effects of application of supplementary calcium combined with nutrient so...
Effects of Planting Density on Nitrogen Fixation and Seed Yield of Soybeans
Acetylene reduction method Nitrogen fixation activity Planting density Soybean Yield component
2009/8/6
Effects of planting density on nitrogen fixation activity (acetylene reduction activity, ARA), yield and yield components of soybeans (Glycine max (L.) Merr.) were evaluated in the field experiment c...
Measurement of Ammonium Nitrogen Volatilization Retes from Rice Leaves during the Ripening Period
Ammonium Nitrogen Volatilization Rice Ripening Period
2009/8/6
Measurement of Ammonium Nitrogen Volatilization Retes from Rice Leaves during the Ripening Period.
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 Accumulation and Grain Protein Fraction of a Low-protein Strain in Two-rowed Barley
Hordein Malting barley Low-protein Nitrogen accumulation Protein fraction
2009/7/30
Two-rowed low-protein barley Daikei HC-15, which is related to low-protein cultivar Karl, was studied to determine the changes in the percentage of nitrogen in the grain, leaf and stem during ripening...