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Nitrogen and Phosphorus

Phosphorus utilization by corn as affected by green manure, nitrogen and phosphorus fertilizers

Phosphorus utilization by corn as affected by green manure, nitrogen and phosphorus fertilizers

... Nitrogen rates promoted the accumulation of P in the shoots (Figure 2 A), the percentage and the amount of P derived from fertilizer (Figures 2 B and C), and the recovery of P from this source (Figure 2 D), which ...

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Effect  of  Different  Nitrogen  and  Phosphorus  Fertilizer  Levels  in  Combination  with  Nitrogen  and  Phosphorus  Solubilizing  Inoculants  on  the Growth and Yield of Mung bean

Effect of Different Nitrogen and Phosphorus Fertilizer Levels in Combination with Nitrogen and Phosphorus Solubilizing Inoculants on the Growth and Yield of Mung bean

... MATERIALS AND METHODS Experimental site and soil analysis The experiment was conducted at Research Area, Directorate of Farm, University of Agriculture, Faisalabad, Pakistan during June, 2013. The experimental site falls ...

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Nitrogen and phosphorus fertilization for groundnut in saline soil

Nitrogen and phosphorus fertilization for groundnut in saline soil

... that nitrogen fertilization had no effect on plant height, number of filled pod and plant stand, but improved chlorophyll content, increased100 seed weight, harvest index and ...yield. Phosphorus ...

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Nitrogen and phosphorus leakage in ecological recycling agriculture

Nitrogen and phosphorus leakage in ecological recycling agriculture

... ble. Nitrogen load differs significantly between the two years, whereas differences in phosphorus leakage were ...fixed nitrogen due to ley ploughing of half of the drainage area and spreading of ...

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Nitrogen and phosphorus balances on Finnish dairy farms

Nitrogen and phosphorus balances on Finnish dairy farms

... Valio Ltd, Farm Services, PO Box 10, FI-00039 Valio, Finland, e-mail: juha.nousiainen@valio.fi The calculation of whole-farm nutrient balance is an effective and simple method for estimating the poten- tial nutrient ...

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Optimation of Nitrogen and Phosphorus in Azolla Growth as Biofertilizer

Optimation of Nitrogen and Phosphorus in Azolla Growth as Biofertilizer

... fix nitrogen through the symbiotic association with the blue green algae ...of nitrogen and phosphorus in the ...of nitrogen (0, 5, and 10 mg atom/L) and 4 levels of phosphorus (0, 10, ...

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The nitrogen and phosphorus nutrition of Pinus radiata D.Don

The nitrogen and phosphorus nutrition of Pinus radiata D.Don

... that nitrogen should be added as well, Not only are large production gains possible in the current rotation, but, as the equilibrium point of the soil organic matter is raised, the present trend towards reduction ...

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Nitrogen and Phosphorus Recalibration for Sunflower in North Dakota

Nitrogen and Phosphorus Recalibration for Sunflower in North Dakota

... Nitrogen rate ANOVA analysis of 2014 and 2015 New Underwood, South Dakota oilseed sunflower yield and quality averaged across four phosphorus rates in 2014 and two phosphorus rates in [r] ...

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Proposal for a Permit Fee System for Nitrogen and Phosphorus

Proposal for a Permit Fee System for Nitrogen and Phosphorus

... Several trading systems for water quality have been introduced in the United States, some having proved more successful than others. One of the latest trading systems to be introduced, and one of the largest, is that at ...

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SEASONAL CHANGES OF NITROGEN AND PHOSPHORUS CONCENTRATION IN SUPRAŚL

SEASONAL CHANGES OF NITROGEN AND PHOSPHORUS CONCENTRATION IN SUPRAŚL

... INTRODUCTION Chemical composition of surface waters is very diverse and depends on the type of surround- ing areas usage. In case of small agricultural catchment, main components that run across riv- ers are nutrients, ...

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Deposition of nitrogen and phosphorus on the Baltic Sea: seasonal patterns and nitrogen isotope composition

Deposition of nitrogen and phosphorus on the Baltic Sea: seasonal patterns and nitrogen isotope composition

... atmospheric nitrogen deposition on the Baltic Proper is isotopically light (δ 15 N ∼0‰) and therefore similar to nitrogen fixed by ...isotope-based nitrogen budgets, atmospherically deposited ...

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Nitrogen and phosphorus losses from a feedlot for suckler cows

Nitrogen and phosphorus losses from a feedlot for suckler cows

... on nitrogen and phosphorus loads from a feedlot with a soil floor in cold ...soluble phosphorus in soil of the feed- lot were compared to those in adjacent ...

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Response of Fodder Maize to Various Levels of Nitrogen and Phosphorus

Response of Fodder Maize to Various Levels of Nitrogen and Phosphorus

... of nitrogen and phosphorus levels was found significant on number of leaves plant −1 ...that nitrogen increase leaf length, number of leaves plant −1 [18] ...[19]. Nitrogen levels had ...

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Processes Governing the Retention of Phosphorus and Nitrogen in Nyashishi Wetland

Processes Governing the Retention of Phosphorus and Nitrogen in Nyashishi Wetland

... total phosphorus; out of which 324 tons/year of total nitrogen and 208 tons/year of total phosphorus are from industrial loading ...total nitrogen and 11 tons/year of total phosphorus ...

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Evaluation and Optimization of Bioretention Design for Nitrogen and Phosphorus Removal

Evaluation and Optimization of Bioretention Design for Nitrogen and Phosphorus Removal

... of Nitrogen Removal The Bio-5 Cell 2 system achieved median removal efficiencies of 60% for nitrate and 36% for total ...systems. Nitrogen removal in Bio-5 does not reach the level of the gravel wetland, ...

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Effect of Nitrogen and Phosphorus on the Growth and Seed Yield of Spinach

Effect of Nitrogen and Phosphorus on the Growth and Seed Yield of Spinach

... production. Nitrogen strongly stimulates growth, expansion of the crop canopy and interception of solar radiation ...of nitrogen during the vegetative stage can strengthen and allow a plant to grow more ...

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Nitrogen and phosphorus resorption of Artemisia scoparia, Chenopodium acuminatum, Cannabis sativa, and Phragmites communis under nitrogen and phosphorus additions in a semiarid grassland, China

  Nitrogen and phosphorus resorption of Artemisia scoparia, Chenopodium acuminatum, Cannabis sativa, and Phragmites communis under nitrogen and phosphorus additions in a semiarid grassland, China

... factorial nitrogen (N) × phosphorus (P) addition experiment was conducted to evaluate responses of leaf nutrient resorption to increased soil N and P availability in a semiarid grassland in Keerqin Sandy ...

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Solute-specific scaling of inorganic nitrogen and phosphorus uptake in streams

Solute-specific scaling of inorganic nitrogen and phosphorus uptake in streams

... reactive phosphorus (SRP) in- creased more rapidly than increases in specific discharge (scaling exponents = ...inorganic nitrogen (N) uptake length to SRP uptake length declined with stream size; there was ...

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A global model of carbon, nitrogen and phosphorus cycles for the terrestrial biosphere

A global model of carbon, nitrogen and phosphorus cycles for the terrestrial biosphere

... carbon, nitrogen and phosphorus cycles 2275 lost from timber extraction and slash ...the phosphorus locked up in woody tissue through ash, and dis- persion of ash can fertilize the vegetation ...

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INTERACTION OF NITROGEN, PHOSPHORUS, AND

INTERACTION OF NITROGEN, PHOSPHORUS, AND

... There was no significant effect of phosphorus levels while the increased supply of nitrogen had a beneficial effect on root growth.. Again there was no significant[r] ...

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