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Organic sources of nitrogen

Granulometric fractions of soil organic matter in intercropping of off-season corn with Marandu grass under nitrogen sources

Granulometric fractions of soil organic matter in intercropping of off-season corn with Marandu grass under nitrogen sources

... objective of this work was to determine the effect of off-season corn intercropped with Urochloa brizantha 'Marandu' and of nitrogen sources on the granulometric fractions of ...

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Relationship between photosynthetic pigments and corn production under nitrogen sources

Relationship between photosynthetic pigments and corn production under nitrogen sources

... method of extracting chlorophylls via DMSO, for chlorophyll a (Clad) and total chlorophyll (Cltd) or the chlorophyll a (Gcla) and total (Gclt) index, via CLOROFILOG™, were efficient in separating treatments with ...

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Residual and immediate effect after 16 applications of organic sources on yield and nitrogen use efficiency in black oat and corn

Residual and immediate effect after 16 applications of organic sources on yield and nitrogen use efficiency in black oat and corn

... reapplication of manure, as already observed in values of DM yield and N ...shoots of black oat grown in F and U soils treated with DS can be attributed to the highest levels of N use ...

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Effects of different nitrogen sources on growth, chlorophyll concentration, nitrate reductase activity and carbon and nitrogen distribution in Araucaria angustifolia

Effects of different nitrogen sources on growth, chlorophyll concentration, nitrate reductase activity and carbon and nitrogen distribution in Araucaria angustifolia

... nutrition of the species: (1) to measure its relative growth performance when growing in natural environments that differ both in the proportion of these inorganic N forms and in irradiance; (2) to assess ...

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Sources and splitting of the organic fertilization in top dressing in cabbage production

Sources and splitting of the organic fertilization in top dressing in cabbage production

... the organic compost. In addition to nitrogen, other nutrients in castor bean cake should also have been released faster compared to organic compost, which favored greater dry weight accumulation, ...

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Benthic fluxes of dissolved organic nitrogen in the Lower St. Lawrence Estuary and implications for selective organic matter degradation

Benthic fluxes of dissolved organic nitrogen in the Lower St. Lawrence Estuary and implications for selective organic matter degradation

... inputs of nutrients and organic matter (OM) from different land sources, which strongly influence both water quality and the biota (Gilbert et ...fixed nitrogen (N), exhibiting rapid uptake ...

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APPLICATION OF NITROGEN SOURCES ON GRAPEVINES AND EFFECT ON YIELD AND MUST COMPOSITION

APPLICATION OF NITROGEN SOURCES ON GRAPEVINES AND EFFECT ON YIELD AND MUST COMPOSITION

... N organic forms have especially (though not exclusively) been used in vineyards, like organic compost obtained from aerobic composting of residues, such as juice sludge and other residues from the ...

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CROP RESPONSE TO ORGANIC FERTILIZATION WITH SUPPLEMENTARY MINERAL NITROGEN

CROP RESPONSE TO ORGANIC FERTILIZATION WITH SUPPLEMENTARY MINERAL NITROGEN

... use of industrialized N fertilizers in topdressing of crops may be a strategy for decreasing the application rates of animal manure and also for increasing synchronism between N release and uptake by ...

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Evaluation of sources, doses and application schedules of nitrogen on drip-irrigated tomato

Evaluation of sources, doses and application schedules of nitrogen on drip-irrigated tomato

... application of up to 40% of total N at pre-planting and the splitting scheme of the remaining N via fertigation was observed, the authors suggest, even for soils with clay and organic matter ...

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DOSES AND SOURCES OF NITROGEN ON YIELD AND BROMATOLOGICAL COMPOSITION OF XARAÉS GRASS

DOSES AND SOURCES OF NITROGEN ON YIELD AND BROMATOLOGICAL COMPOSITION OF XARAÉS GRASS

... better nitrogen source for increasing yield, in all ...function of its transformations in the soil, since nitrogen fertilization was done by spreading over the grass, which resulted in greater ...

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Crops use-efficiency of nitrogen from manures permitted in organic farming

Crops use-efficiency of nitrogen from manures permitted in organic farming

... the organic agriculture sector has created a new market for fertilisers approved for organic ...N sources for organic farming are scarce considering the restriction on the use of ...

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Effect of nitrogen sources on fruit characteristics and seed physiological quality of Physalis angulata L.

Effect of nitrogen sources on fruit characteristics and seed physiological quality of Physalis angulata L.

... presence of organic acids, more often citric and malic ...(2005), organic acids are dissolved in the vacuoles of the cells, both in free and combined forms, forming salts, esters and ...

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Sources of nitrogen deposition in Federal Class I areas in the US

Sources of nitrogen deposition in Federal Class I areas in the US

... Act of 1916, 16 USC 1–4) and wilderness areas (Wilderness Act of 1964, 16 USC 1131– 1136) in the US are required to be protected to conserve nat- ural and historic objects and the wildlife ...therein. ...

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Efficiency of nitrogen sources and rates on growth and dry matter yield of tifton 85

Efficiency of nitrogen sources and rates on growth and dry matter yield of tifton 85

... particulate organic carbon (POC), free light fraction (FLF) and mineral fraction (C-min); The C concentration of the various fractions was ...amount of precipitation is insufficient to incorporate ...

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Organic matter dynamics and stable isotope signature as tracers of the sources of suspended sediment

Organic matter dynamics and stable isotope signature as tracers of the sources of suspended sediment

... pasture. Nitrogen leaching during storm events was described by other authors ...concentration of 5.6 mg l −1 and two and three out of seven samples, respectively, even exceeded ...terms of ...

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ARTIGO_Upland rice agronomic performance in response to different doses and sources of nitrogen

ARTIGO_Upland rice agronomic performance in response to different doses and sources of nitrogen

... using nitrogen (N), potassium (K) and phosphorus ...case of N, the value of soil organic matter is taken into account, but this recommendation is made ...doses, sources and times ...

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SIMULATED YIELD AND NET RETURN OF A MAIZE CROP FERTILIZED WITH DIFFERENT SOURCES AND RATES OF NITROGEN

SIMULATED YIELD AND NET RETURN OF A MAIZE CROP FERTILIZED WITH DIFFERENT SOURCES AND RATES OF NITROGEN

... interactions of cattle manure with different crop management ...one of the models that have been used by researchers in different parts of the world, for a wide range of applications (Jones et ...

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Efficiency of organic nitrogen fertilization of potato in Northeast Portugal

Efficiency of organic nitrogen fertilization of potato in Northeast Portugal

... pattern of N mineralization is not available (Douglas and Magdoff, 1991) due to the complexity of the mineralization processes (Jarvis et ...rates of N mineralization from organic ...

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RESPONSE OF IRRIGATED WHEAT CULTIVARS TO DIFFERENT NITROGEN RATES AND SOURCES

RESPONSE OF IRRIGATED WHEAT CULTIVARS TO DIFFERENT NITROGEN RATES AND SOURCES

... soil of the experimental area is very loamy and fertile, well-drained and has a high organic matter ...fertilizer sources have been compared by many authors (Cantarella & Raij, 1986, Cantarella ...

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Impact of nitrification inhibitor with organic manure and urea on nitrogen dynamics andN

Impact of nitrification inhibitor with organic manure and urea on nitrogen dynamics andN

... impacts of nitrification inhibitor (NI) with organic manure (OM) and urea on N dynamics and N 2 O emission in acid sulphate ...N sources (N 1 = 100% of N from urea, N 2 = 75% of N from ...

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