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Effect of Regional Different N-Fertilizer Applications on Nitrate Accumulation in Winter Vegetables Grown on Tokat Region
Nitrogen fertilizer applications nitrate winter vegetables
2009/1/14
The main object of this study was to observe the effect of regional N-fertilizer applications on the nitrate accumulation of some winter vegetables grown on farmer's fields located at different parts...
Outlook for World Fertilizer Demand, Supply, and Supply/Demand Balance
Agricultural production fertilizer demand fertilizer supply
2009/1/8
The outlook is driven by impressive economic growth in Asia, increasing demand for biofuel, and a tight grain market. As a result of tight supply/demand conditions, prices for almost all agricultural...
Response of Silage Maize（Zea mays L.）to Nitrogen Fertilizer after Different Crops in a Semi Arid Environment
Silage maize yield N yield previous crops nitrogen rate nitrogen saving legume
2009/1/7
The use of legume crops in maize rotation systems may decrease the need for nitrogen (N) fertilization and increase total output. The effect of previous crops (wheat, barley, lentil, Hungarian vetch, ...
Effect of Indigenous Nitrogen Supply of Soil on the Grain Yield and Fertilizer-N Use Efficiency in Rice
soil indigenous nitrogen supply soil fertility rice yield fertilizer use efficiency nitrogen
2009/1/7
The effects of application of N fertilizer on wheat on the grain yield and N use efficiency (FNUE) of rice in the wheat-rice rotation system, as well as on the soil fertility were studies. N-fertilize...
Physiological Basis of Photosynthetic Function and Senescence of Rice Leaves as Regulated by Controlled-Release Nitrogen Fertilizer
controlled-release nitrogen fertilizer rice photosynthetic function senescence physiological
2009/1/7
The physiological mechanism of photosynthetic function and senescence of rice leaves was studied by using early rice variety Baliangyou 100 and late rice variety Weiyou 46, treated with controlled-rel...
Effects of Nitrogen Fertilizer Treatments on Filling and Respiratory Rate of Caryopsis in Rice
nitrogen fertilizer water content filling duration respiratory rate dehydrogenase activity
2009/1/7
An experiment was conducted to study the effects of nitrogen (N) rate and application time on grain filling and respiratory trait of caryopsis in two rice varieties, IR36 and Dali. The treatments were...
Effect of Nitrogen Fertilizer on Herbivores and Its Stimulation to Major Insect Pests in Rice
nitrogen fertilizer herbivore insect pests rice fertilizer-nitrogen use efficiencyRice
2008/12/11
Nitrogen is one of the most important factors in development of herbivore populations. The application of nitrogen fertilizer in plants can normally increase herbivore feeding preference, food consump...
Effects of Formulated Fertilizer Synergist on Abscisic Acid Accumulation, Proline Content and Photosynthetic Characteristics of Rice under Drought
fertilizer synergist drought abscisic acid proline
2008/12/11
To investigate the effects of formulated fertilizer synergist on the drought tolerance in rice, pot experiment was conducted to analyze the photosynthetic characteristics and the accumulation of absci...
Fertilizer Additive Rate and Plant Growth Regulator Effects on Cotton
Fertilizer Additive Rate Plant Growth Regulator Cotton
2008/12/9
In-furrow applications of plant growth regulators (PGRs) and starter fertilizers have been used to improve cotton (Gossypium hirsutum L.) yields. Information about the effects of plant growth regulato...
Influence of some meteorological factors on fertilizer use efficiency in winter wheat growing
fertilization dressing autumn-winter precipitation moisture index
2008/11/14
A field experiment with winter wheat (Triticum aestivum) on Orthic Luvisol was conducted for a period of eleven years. This study gives the ground to establish correctly the fertilizer rates, especial...
Mathematical planning in experiments on 'soil-fertilizer-yield' interactions
experimental planning agrophysical parameters nutrients
2008/11/14
The objective of the study was to show the possibility and feasibility of the application of mathematical planning for the determination of the optimum structural parame- ters and bulk density of the ...
Yield and Yield Components of Maize as Affected by Different Sources and Application Rates of Nitrogen Fertilizer
Nitrogen source level maize protein
2010/11/11
A field experiment was carried out during the two successive seasons of 2005 and 2006 at
Demo, Fayoum Governorate, Egypt to study the effect of different sources of nitrogen i.e., urea, ammonium sulp...
Influence of Increased Plant Density and Fertilizer Levels on Physiological Parameters and Yield of Greengram (Vigna radiata (L.) Wilczek)
Greengram increased plant density fertilizer levels physiological parameters yield
2010/11/11
The treatments were fitted in a split plot design replicated thrice. The results of the experiments revealed that transpiration rate increased with decrease in plant population. Nutrient management pr...
Eeffects of Planting Density and NPK Fertilizer on Growth and Fruit Yield of Tomato (Lycospersicon esculentus Mill)
Fruit yield NPF fertilizer planting density and tomato cultivars
2010/11/11
Effects of planting density and NPK fertilizer application on growth and fruit yield of tomato
were carried in 2003 and 2004 at Evboneka, Nigeria was carried to determine the appropriate
planting de...
Influence of dynamical factors on safe work with a fertilizer spreader
dynamical factors safe work a fertilizer spreader
2010/1/18
Influence of dynamical factors on safe work with a fertilizer spreader.