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Shifts in Foliage Biomass and Its Vertical Distribution in Response to Operational Nitrogen Fertilization of Douglas-Fir in Western Oregon
Douglas-fir nitrogen fertilization foliage distribution allometry biomass
2024/2/4
Nitrogen (N) fertilization is a commonly applied silvicultural treatment in intensively managed coast Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) plantations. Field trials were e...
Residue Placement and Rate, Crop Species, and Nitrogen Fertilization Effects on Soil Greenhouse Gas Emissions
Greenhouse Gases Residue Management Nitrogen Fertilization Crop Species Spatial Variability
2013/3/11
High variability due to soil heterogeneity and climatic conditions challenge measurement of greenhouse gas (GHG) emissions as influenced by management practices in the field. To reduce this variabilit...
Yield and uptake of bahiagrass under flooded environment as affected by nitrogen fertilization
Bahiagrass Flooding Nitrogen Uptake Dry Matter Yield Nitrogen
2013/2/28
Bahiagrass (Paspalum notatum) is one of the most important forage grasses in subtropical region of USA and other tropical regions of the world. Although tolerant to short term flooding, bahiagrass is ...
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 ...
Dry Matter Digestion Kinetics of Two Varieties of Barley Grain Sown with Different Seeding and Nitrogen Fertilization Rates in Four Different Sites Across Canada
Barley Grain Digestion Kinetics Disappearance In sacco
2016/5/6
Our objective was to determine the differences in the rate and extent of dry matter digestion between barley subjected to differing agronomic variables. Two malting barley varieties, Copeland and Metc...
The Effect of Nitrogen Fertilization to the Sward on Guineagrass (Panicum maximum Jacq cv. Gatton) Silage Fermentation
Guinea Grass Silage Nitrogen Fertilizer Nitrate Nitrogen
2016/5/6
To investigate the effect of nitrogen fertilization on the quality of tropical grass silage, guinea grass grown with 3 types of nitrogen fertilizers, namely, urea, ammonium sulfate, and compound ferti...
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.
Effects of Nitrogen Fertilization Levels in Nutrient Solution Applied before/after Flower Budding on Blasting in Winter-flowering of Eustoma grandiflorum (Raf.) Shinn.
abortion assimilate dry matter partition soilless culture
2010/11/24
We investigated the effects of nitrogen fertilizer levels in nutrient solution applied before/after flower budding on blasting in the winter flowering of Eustoma grandiflorum (Raf.) Shinn.
Effect of crop rotation and nitrogen fertilization on yield and nitrogen efficiency in maize in the northern Guinea savanna of Nigeria
Fallow grain legumes maize N uptake N use efficiency N fertilizer recovery efficiency
2010/9/13
Two crop rotation cycles were evaluated to determine the effect of cropping systems and N fertilization on the yield and efficiency of N in maize. Maize was grown on plots which had previously support...
Comparative response of direct seeded and transplanted maize (Zea mays L.) to nitrogen fertilization at Zanyokwe irrigation scheme, Eastern Cape, South Africa
Crop stand direct seeding maize yield N rate transplanting
2010/9/10
Previous studies carried out in smallholder irrigation schemes in South Africa showed that bird damage to emerging seedlings reduced crop stand and yield of maize. Transplanting offered an opportunity...
Effects of Water-Saving Irrigation and Nitrogen Fertilization on Yield and Yield Components of Rice (Oryza sativa L.)
Nitrogen application Rice Sprinkler intermittent irrigation Water use efficiency
2009/7/29
The effects of nitrogen (N) application (32, 72 and 112 kg N ha-1 in 2000, and 32, 92 and 152 kg N ha-1 in 2001) and water-saving irrigation and their interaction on grain yield and yield components o...
Effects of Nitrogen Fertilization and Cropping Season on the Vitamin U Concentration in Cabbage
Cropping Season Vitamin U Cabbage Fertilization
2009/7/13
Vitamin U (VU) concentration in cabbages harvested in Hokkaido ranged from 7.0 - 66.2 mg kg−1, and the mean was 28.9 mg kg−1 (1996-1998, n=92). Among cropping seasons, the mean VU concentr...
Economic Evaluation of Soil and Foliar Applied Nitrogen Fertilization Programs for Cotton Production
Economic Evaluation Soil Foliar Applied Nitrogen Fertilization Cotton Production
2009/4/30
With increased environmental pressures, cotton producers may need to improve the efficiency of N fertilization. Including foliar applications in a cotton fertility program can improve N efficiency thr...
FRESH AND DRY MATTER YIELD QUANTITY AND QUALITY OF MAIZE(ZEA MAYS L)AND SWEET SORGHUM(SORGHUM BICOLOR(L.)Moench.)ON SANDY SOIL DEPENDING ON NITROGEN FERTILIZATION
headed sweet sorghum headless sweet sorghum maize yield yield structure
2009/4/1
In the years 2005-2007 at the Pawłowice Research Experimental Station (51°09’ N; 17°06’ E) of the Wrocław University of Environmental and Life Science an investigation was carried out with m...