water and nitrogen
The effect of post anthesis water supply on grain nitrogen concentration and grain nitrogen Šeld of winter wheat
... soil water content and apparent water use during grain growth in experimental years were mostly negative and inconsistent in our ...the water treatments) in N1, Table 1. The effect of water ...
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Nutritional characteristics of blue grama herbage under the influence of added water and nitrogen.
... The amounts of total nitrogen in the biomass of the nitrogen treatment indicated greater content than that of the control and water treatments mainly because of [r] ...
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Economic indexes of maize under levels of water, nitrogen and planting seasons
... to nitrogen (N) grows linearly to some extent, where there is an increase in productivity and from the maximum point the productivity ...soil water and nutritional conditions is of great importance for ...
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Preliminary investigation of water and nitrogen use efficiency in Mango
... irrigation water and fertilizers for ...how water and nitrogen use efficiency can be ...improving water and nitrogen use in ...plant water monitoring techniques which use ...
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Effect of ethrel spray and nitrogen on growth, photosynthesis, carboxylation efficiency and water –use efficiency of mustard (brassica juncea l )
... Crop nitrogen status also affects photosynthetic rate (Dhoble, 1998; Boltan and Brown, 1980; Nova and Loomis 1981; Wong et ...leaf nitrogen content (Sage et ...nitrate. Nitrogen application can also ...
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Brackish water irrigation on the characteristics of carbon, nitrogen and phosphorus nutrients in the soil nearby crop roots
... Nitrate nitrogen and alkali-hydrolyzed nitrogen in soil are determined by the determination method in the book named Soil ...Nitrate nitrogen in soil is determined with phenol disulfonic acid ...
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Water potential and nitrogen metabolism in seedlings of balsa wood (Ochroma pyramidale (Cav Ex Lam) Urb ) subjected to water deficit stress and flooding
... under water stress is due to the activity of the proteolytic enzymes that degrade protein to form aminoacids, this increase probably promotes the decrease of osmotic potential and probable maintenance of cellular ...
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Effects of Inoculation of Rhizobium on Nodulation and Nitrogen Accumulation in Cowpea Subjected to Water Availabilities
... other nitrogen sources, and through FBN, achieve high productivity levels ...total nitrogen and nodulation, confirming the importance of symbiosis between bacteria and cowpea, thus generating productivity ...
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Effect of water stress and nitrogen fertilizer on herb and essential oil of oregano
... and/or nitrogen fertilization affected plant fresh mass in both cuts of both ...Increasing water amounts in- creased plant fresh ...and water leading to production of higher vegetative biomass (Singh ...
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Soil water cycle and crop water use efficiency after long term nitrogen fertilization in Loess Plateau
... soil water in 200–300 cm profiles in cropland (Li 2001). The soil water cycle in croplands not only affects crop growth and production but also is a key step in the regional terrain water cycle ...
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Modeling Water and Nitrogen Behavior in the Soil-Plant System
... The plant uptake rate of nitrate and ammonium from the current root zone is calcu- lated as being proportional to the growth rate and related to the concentration of nitrate and ammonium[r] ...
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In-Season Evaluation of Subsurface Drip and Nitrogen-Application Method for Supplying Nitrogen and Water to Cotton
... plant water status and determine the effect of crop rotation, lateral spacing, and N-application method on plant N ...L.)], water management [laterals buried ...
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Long Term Assessment of Nitrogen Pollution Load Potential for Groundwater by Mass Balance Analysis in the Tedori River Alluvial Fan Area, Japan
... In addition, investigations of water and nitrogen cycles have also been conducted by many researchers. For ex- ample, Burt et al. [12] suggested that atmospheric depo- sition was important, while Lin [13] ...
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Modification, Calibration and Validation of APSIM to Suit Maize (Zeamays L.) Production System: A Case of Nkango Irrigation Scheme in Malawi
... The field experiment was carried out at Nkango Irrigation Scheme in Kasungu district, Malawi. Data were collected at growing seasons of 1 st June to 8 th September, 2012; and 10 st September to 5 th December, 2012. The ...
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4. Nitrogen fertilization induced drought tolerance in sunflower: a review
... less water and thus has the capability to survive under drought stress ...processes. Nitrogen is the major nutrient among all the nutrients because of its multifarious effects on crop development and ...by ...
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Quality of Rain Water and its Suitability for Drinking and Agricultural use in District Bhimber Azad Kashmir, Pakistan
... The concentrations of major ions are within the permissible limits for drinking. Major elemental ion composition is almost independent of seasonal changes. Among minor metal ions lead in autumn 2004 and cadmium in winter ...
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The impact of the closure and decommissioning of the Wainuiomata Waste Water Treatment Plant on the water quality of the Wainuiomata River : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Water Quality at Massey University
... Water Quality Indicators Escherichia coli microbiological Dissolved Reactive Phosphorus, Nitrate Nitrogen and Ammoniacal nitrogen chemical 1.5.3 Periphyton biological 1.5.4 Methods for s[r] ...
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Genomics and Ecophysiology of Heterotrophic Nitrogen Fixing Bacteria Isolated from Estuarine Surface Water
... one of each of the different treatments was centrifuged at 8,000 ⫻ g for 5 min. The pellet was dissolved in 200 l RNAlater (Ambion; Life Tech- nologies) and kept at ⫺ 80°C until extraction. RNA was extracted using the ...
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Effect of irrigation deficit and nitrogen fertilization on the uptake of nitrogen and grain yield of rice in adamawa state, Nigeria
... conveying water into each ...of water applied into required depth using Trimmer (1994) formula: D = V/T Where D is the discharge rate (milliliters/seconds), V is the volume of the container (milliliter), T ...
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Nitrate removal capacity of constructed wetlands
... Three flow through wetlands received different loading rates of pumped river water with seasonably variable loads of nitrate and organic nitrogen.. The nitrogen removal capacities of the[r] ...
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