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NITROGEN TRANSFORMATIONS IN SOIL: THE NITROGEN

Soil Aggregate-Associated Microbial Community Structure and Nitrogen Transformations in Three Different Tillage Systems

Soil Aggregate-Associated Microbial Community Structure and Nitrogen Transformations in Three Different Tillage Systems

... SUBATHRA. Soil Aggregate-Associated Microbial Community Structure and Nitrogen Transformations in Three Different Tillage ...Israel). Soil management practices such as tillage largely ...

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Nitrogen transformations in the rhizosphere of different tree types in a seasonally flooded soil

Nitrogen transformations in the rhizosphere of different tree types in a seasonally flooded soil

... in soil pH, total N, soil organic C, MBC, MBN, and MBC/MBN were found between bulk and rhizosphere soils except ...bulk soil, the net N mineralization and nitrification rates in rhizosphere ...

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Dynamics of Nitrogen Transformations in Soil Fertilized with Digestate From Agricultural Biogas Plant

Dynamics of Nitrogen Transformations in Soil Fertilized with Digestate From Agricultural Biogas Plant

... the soil in ammonium-N, which is rapidly transformed to the nitrate ...the soil fertilized with the digestate was the same in the incubation experiment and in the field un- der the weather conditions of dry ...

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Evaluation of maize and soybean intercropping on soil quality and nitrogen transformations in the Argentine Pampa

Evaluation of maize and soybean intercropping on soil quality and nitrogen transformations in the Argentine Pampa

... 3.4.2 Soil quality 3.4.2.1 Soil pH The pH values are in general agreement with previous studies at nearby sites to that of the current study area, where a range in surficial pH from ...a nitrogen ...

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INFLUENCE OF RED ALDER ON SOIL NITROGEN TRANSFORMATIONS IN TWO CONIFER FORESTS OF CONTRASTING PRODUCTIVITY

INFLUENCE OF RED ALDER ON SOIL NITROGEN TRANSFORMATIONS IN TWO CONIFER FORESTS OF CONTRASTING PRODUCTIVITY

... Relationship between gross N mineralization and gross nitrification rates determined in soil samples taken from low (Wind River) and high (Cascade Head) productivity coniferous forest si[r] ...

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Nitrogen Transformations as Affected By Application of Nitrogen and Vermicompost in the Presence of Herbicide: A Review

Nitrogen Transformations as Affected By Application of Nitrogen and Vermicompost in the Presence of Herbicide: A Review

... reported that butachlor inhibited the rate of ammonification of urea slightly during the initial days in soil at 30 0 C when pH was adjusted from 4.9 to 6.8. Some stimulative effect of butachlor was found on ...

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Nitrogen Transformations in the Tobacco Float Tobacco System

Nitrogen Transformations in the Tobacco Float Tobacco System

... field soil (Poisson et al, 2008). Such mixes have several advantages over soil based ...for soil borne diseases, but it also means that populations of beneficial organisms, such as nitrifying ...

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Dynamics of inorganic fractions of nitrogen in an ustifluvents soil on incorporation of organic manures and mineral nitrogen in rice

Dynamics of inorganic fractions of nitrogen in an ustifluvents soil on incorporation of organic manures and mineral nitrogen in rice

... in soil leads to increase in system productivity and also sustained soil health for longer period and system productivity becomes more sustainable in ...the soil physical behaviour and increases the ...

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Sources and Transformations of Nitrogen Compounds along the Lower Jordan River

Sources and Transformations of Nitrogen Compounds along the Lower Jordan River

... Reproduced from Journal of Environmental Quality. Published by ASA, CSSA, and SSSA. All copyrights reserved. Fig. 1. A map of the study area between the Sea of Galilee and Shifa. Sampling and measurement sites include ...

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Modeling Nitrogen Transport and Transformations in High Water Table Soils

Modeling Nitrogen Transport and Transformations in High Water Table Soils

... where soil water is lacking or may delay it under wet conditions where excessive soil water reduces oxygen diffusion creating a reduced ...available soil water in the biologically active top ...

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Nitrogen transformations during the biological decomposition of straw composted with inorganic nitrogen

Nitrogen transformations during the biological decomposition of straw composted with inorganic nitrogen

... Nitrogen transformations during the decom- position of straw composted with ammonium car- bonate have been studied by following the changes in (a) the amounts of inorganic and organic ni[r] ...

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Effect of Nitrogen Addition and Weed Interference on Soil Nitrogen and Corn Nitrogen Nutrition

Effect of Nitrogen Addition and Weed Interference on Soil Nitrogen and Corn Nitrogen Nutrition

... Nomenclature: Corn, Zea mays L. ‘DK589RR’. Key words: Duration of weed interference, nitrogen uptake, resource acquisition, interplant competition, nitrogen nutrition index, chlorophyll. La maleza causa ...

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Nitrogen transformations along a shallow subterranean estuary

Nitrogen transformations along a shallow subterranean estuary

... However, a shift from NO x to NH + 4 occurred due to the re- moval of NO x and the addition of NH + 4 within the STE. Ni- trate loss along the flow path could be attributed to alternative reduction pathways such as Fe ...

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Soil Nitrogen: research and extension

Soil Nitrogen: research and extension

... for nitrogen mineralization prediction Gerard Ros, Wageningen UR Intensive agricultural production in the last century has resulted in high N losses to the environment, which at present forms a major threat for ...

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Polyacrylamide as an organic nitrogen source for soil microorganisms with potential effects on inorganic soil nitrogen in agricultural soil

Polyacrylamide as an organic nitrogen source for soil microorganisms with potential effects on inorganic soil nitrogen in agricultural soil

... Taken together, the successful growth of enrich- ment cultures with PAM as sole N source and the detection of PAM-specific amidase activity in these cultures indicate that indigenous soi[r] ...

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Can mineralization of soil organic nitrogen meet maize nitrogen demand?

Can mineralization of soil organic nitrogen meet maize nitrogen demand?

... of soil. The N supplying capacity of soil is an important biochemical indicator of SOM quality as it provides insight into potential plant N availability that cannot be provided by more commonly used ...

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Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes

Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes

... the soil organic matter and 53 % taken off in the ...in soil by ...: Nitrogen cycling, atmospheric deposition, mineralization, nitrification, trace gas fluxes, air ...

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Effects of Fertilizer Placement and Nitrogen Forms on Soil Nitrogen Diffusion and Migration of Red Yellow Soil in China

Effects of Fertilizer Placement and Nitrogen Forms on Soil Nitrogen Diffusion and Migration of Red Yellow Soil in China

... the soil receiving ammonium phosphate was greater than that receiving urea under point deep ...the soil and reduce inorganic N loss, which probably occurred due to the reduced soil volume with which ...

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Effect of soil moisture availability and nitrogen source on nitrogen use efficiency in cereals

Effect of soil moisture availability and nitrogen source on nitrogen use efficiency in cereals

... respectively under waterlogged conditions; however, there were no significant statistical differences between the urea treatments and the CRF. CRFs can release N over an extended period of time, which sustains N supply ...

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Residual Nitrate and Mineralizable Soil Nitrogen in Relation to Nitrogen Uptake by Irrigated Sugarbeets

Residual Nitrate and Mineralizable Soil Nitrogen in Relation to Nitrogen Uptake by Irrigated Sugarbeets

... Estimates of N mineralized in the upper 45- cm soil layer for each successive month, AN, over a 6- month period were derived using the expression, AN/ At kWN (k = fraction of N mineraliz[r] ...

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