N-Fertilization
Seasonal variability in soil N mineralization and nitrification as influenced by N fertilization
... anaerobic N mineralization and nitrification- incubation (Table ...of N fertilizers demonstrating that the potential nitrification remained relatively constant during the season and N ...
8
Effects of elevated CO₂ and N fertilization on plant and soil carbon pools of managed grasslands: a meta-analysis
... of N, mi- crobes use the energy they obtain from decomposing easily degradable C-compounds to decompose N-richer compounds, which can result in higher respiration rates while microbial biomass remains ...
30
The effectiveness of N fertilization and microbial preparation on spring wheat
... The vegetation period in 2006 was characterized by the average air temperature higher by 0.9°C and lower rainfall total than the multiannual average by 70 mm (Figure 1). In 2007, the period from April to August was ...
7
Initial biochar effects on plant productivity derive from N fertilization
... Figure 1a. Lolium perenne biomass (dry weight) produced from each treatment at each of the four harvests after 35, 63, 91 and 119 days; b. total aboveground biomass ”Shoot” (i.e. from all harvests combined) and ...
38
Ecological effects and fate of N following massive N fertilization of mixed-grass plains.
... Authors are range scientists, U.S. Department of Agriculture, Agricultural Research Service, Fort Collins, Colorado. The study was conducted in cooperation with the C[r] ...
5
Improving Dryland Cropping System Nitrogen Balance with No-Tillage and Nitrogen Fertilization
... Besides N fertilization, other sources of N inputs include dry and wet (snow and rain) depositions from the atmosphere, biological N fixation, soil N mineralization, irrigation water, ...
39
Inorganic Nitrogen Application Affects Both Taxonomical and Predicted Functional Structure of Wheat Rhizosphere Bacterial Communities
... of fertilization regime on wheat rhizosphere microbiome assembly and 16S rRNA gene-predicted functions with soil from the long term Broadbalk experiment at Rothamsted ...four N fertilization regimes ...
16
Nitrogen Fertilization Impacts on Phosphorus Cycling in Grazed Grass Legume Pasture
... different N regimes on P intake and excretion by grazing cattle and P return to soil from feces in a P-enriched pasture was ...of N in split application, 50% of N in single application, and 0% of ...
13
The effect of nitrogen fertilization, sowing rates and site on yields and yield components of selected varieties of safflower (Carthamus tinctorius L )
... Oil content in the years of observation was variable, e.g. it ranged from 20.3% to 34.4% in the variety CW-74. Its seeds had the highest average content of oil (27.2%). The lowest average content of oil recorded in Gila ...
5
Application of the chlorophyll fluorescence ratio in evaluation of paddy rice nitrogen status
... of N fertilization, resulting in different ...different N fertilization levels displayed significant ...of N fertilization was established for 2014 and 2015 fluorescence ...leaf ...
6
Nitrogen Fertilization as Ammonium or Nitrate N on Hippeastrum hybridum Bulb Growth
... smallest bulbs, and bulb size increased with increasing N fertilization rates. Secondary bulbs were generally small and added very little to the total bulb weight; total bulb weight followed the same trend ...
8
Response of Potato to Drip and Gun Irrigation system
... and N fertilization regimes by gun irrigation and drip-fertigation on potato production, and subsequently optimize the supply of water and N fertilizer to the growth condition of the specific season ...
9
The nitrification inhibitor 3,4-dimethylpyrazole phosphate decreases leaf nitrate content in lettuce while maintaining yield and N 2 O emissions in the Savanna of Bogotá X. Huérfano 1, S. Menéndez1 , M.M. Bolaños-Benavides 2, M.B. González-Moro1 J.M. Estavillo 1, C. González-Murua1
... of N fertilization in lettuce ...the N-input is directly linked with N 2 O emissions rather than other gases emissions, Van Groenigen et ...yield-scaled N 2 O emissions, which relates ...
7
Denitrification in a Soil under Wheat Crop in the Humid Pampas of Argentina
... (N) fertilization rate in a spring wheat crop (Triticum aestivum ...g N 2 O-N ha −1 ∙day −1 in the fertilized plot and was less than ...
12
New Pelleted Plant Based Fertilizers for Sustainable Onion Production
... increasing N fertilization ...tissue N depended on plant growth stage and the earliness of the ...and N content in the leaves seems to be the middle of the variety’s growing ...
11
The use of compressed height to estimate the yield of a differently fertilized meadow
... in N fertilization treat- ments with heights in the range of 100–150 cm but relatively low yields of about 2–5 t/ha in the second cut in 2010–2011 (Figure ...nitrogen fertilization for both cuts ...
6
Winter wheat agronomic traits and nitrate leaching under variable nitrogen fertilization
... and N fertilization was the key factor that influenced both yield and NUE (Table ...influenced N availability resulting in different responses of measured traits under variable N ...optimum ...
7
La procréation médicalement assistée avec spermatozoïdes immatures: Impératifs cliniques et techniques chirurgicales
... : Successful fertilization by testicular spermatozoa in a n in vitro fertilization programme (letter).[r] ...
8
Biotechnology-Based Strategies for Altering Nitrogen-Use-Efficiency in Tobacco through Manipulation of Multiple N Assimilation Pathway Genes.
... and N concentrations, and a small but significant increase in biomass production (Chichkova et ...organic N management, particularly in the remobilization of N to the seed during grain ...
96
Response characteristics and efficiency of variable rate fertilization based on spectral reflectance
... (2) Additional nitrogen fertilizer offering at jointing stage of winter wheat could accelerate the growth of plants and improve the population structure of winter wheat. After fertilization at the jointing stage, ...
7