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You searched for: Journal name Nutrient cycling in agroecosystems Remove constraint Journal name: Nutrient cycling in agroecosystems Publication year rev 7990-2010 Remove constraint Publication year rev: 7990-2010 Source 2010 v.87 no.3 Remove constraint Source: 2010 v.87 no.3
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1. Application of the DNDC model to the Rodale Institute Farming Systems Trial: challenges for the validation of drainage and nitrate leaching in agroecosystem models

Author:
Tonitto, Christina; Li, Changsheng; Seidel, Rita; Drinkwater, Laurie
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 483-494
ISSN:
1385-1314
Subject:
agroecosystems; simulation models; grain crops; long term experiments; soil water content; silty clay soils; landscapes; nitrate nitrogen; leaching; model validation; losses from soil; seasonal variation; denitrification; drainage; accuracy; agricultural policy; decision making; agricultural watersheds; Pennsylvania
Abstract:
... Ecosystem models are increasingly used to guide natural resource management policy decisions. In this study, we build on available agroecosystem policy modeling tools by testing two methodologies for applying the Denitrification-Decomposition (DNDC) model to naturally-drained, temperate grain cropping systems. We used long-term observations from the Rodale Institute Farming Systems Trial (FST) to ...
DOI:
10.1007/s10705-010-9354-8

2. Assessing the eco-environmental performance of agricultural production in OECD countries: the use of nitrogen flows and balance

Author:
Hoang, Viet-Ngu; Alauddin, Mohammad
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 353-368
ISSN:
1385-1314
Subject:
input output analysis; nitrogen balance; environmental impact; international cooperation; nitrogen; nutrient uptake; soil depth; livestock; soil fertility; agriculture; crop management; accuracy; biogeochemical cycles
Abstract:
... Nitrogen balance is increasingly used as an indicator of the environmental performance of agricultural sector in national, international, and global contexts. There are three main methods of accounting the national nitrogen balance: farm gate, soil surface, and soil system. Some studies have provided the comparison among these methods and the conclusion is mixed. The present paper combines these t ...
DOI:
10.1007/s10705-010-9343-y

3. Biomass ashes and their phosphorus fertilizing effect on different crops

Author:
Schiemenz, Katja; Eichler-Löbermann, Bettina
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 471-482
ISSN:
1385-1314
Subject:
crop residue management; field crops; soil amendments; phosphorus; interspecific variation; mineral fertilizers; loamy sand soils; bioenergy; waste utilization; dry matter accumulation; nutrient uptake; soil pH; catch crops; sorption; crop residues; potassium; organic fertilizers; plant byproducts; nutrient availability; triple superphosphate
Abstract:
... The reutilization of biomass ashes in agriculture is an important issue to create nutrient cycles and to save fertilizer. To analyse the P fertilization effect of crop biomass ashes (rape meal ash (RMA), straw ash (SA), and cereal ash (CA)) in interaction with different crops, two pot experiments with a poor loamy sand deficient in P were carried out. Besides the three ash treatments, other treatm ...
DOI:
10.1007/s10705-010-9353-9

4. Effects of organic wastes digestion for biogas production on mineral nutrient availability of biogas effluents

Author:
Möller, Kurt; Stinner, Walter
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 395-413
ISSN:
1385-1314
Subject:
input output analysis; effluents; nutrient management; biogas; slurries; crop residues; dairy manure; dairy cattle; magnesium; nutrient uptake; potassium; anaerobic digestion; phosphorus; organic production; crops
Abstract:
... Organic farming systems are characterized by the strong regulation of the import of nutrients into the farming system to replace nutrient losses via sold products. In the present study mineral nutrient flows and balances of P, K and magnesium (Mg) were analysed for a mixed organic cropping system with dairy husbandry and for a stockless organic farming system. Also the influence of biogas digestio ...
DOI:
10.1007/s10705-010-9346-8

5. Mitigating greenhouse gas and nitrogen loss with improved fertilizer management in rice: quantification and economic assessment

Author:
Pathak, H.
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 443-454
ISSN:
1385-1314
Subject:
input output analysis; greenhouse gases; rice; no-tillage; Oryza sativa; application methods; volatilization; gas emissions; fertilizer application; nutrient uptake; farm income; losses from soil; databases; economic impact; nutrient management; expert systems; simulation models; leaching; denitrification; nitrogen fertilizers; nitrogen; flood irrigation; irrigation management; India
Abstract:
... Several technologies have been developed to improve the recovery efficiency of N (REN) but their impacts on greenhouse gas (GHG) emission, N loss and economic implication are rarely analysed. A decision support system (DSS) has been developed to quantify inputs, outputs and balance of N in soil; GHG emission and REN with the prominent N management technologies in rice. This DSS, named InfoNitro (I ...
DOI:
10.1007/s10705-010-9350-z

6. Nitrous oxide emissions from a light-textured arable soil of North-Western Russia: effects of crops, fertilizers, manures and climate parameters

Author:
Buchkina, N. P.; Balashov, E. V.; Rizhiya, E. Y.; Smith, K. A.
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 429-442
ISSN:
1385-1314
Subject:
greenhouse gases; soil pore system; Solanum tuberosum; green manures; potatoes; soil compaction; gas emissions; animal manures; furrows; soil fertility; arable soils; soil texture; low input agriculture; denitrification; nitrogen fertilizers; nitrous oxide; rain; Russia
Abstract:
... Direct nitrous oxide emissions from a light-textured arable soil typical of North-Western Russia and subject to different management systems were measured during three growing seasons (May-September) in 2003-2005. Cumulative fluxes varied between 0.26 ± 0.06 and 2.98 ± 1.56 kg N₂O-N ha⁻¹, with the lowest flux produced where no N was added as mineral fertilizers/manures or where green manure/low in ...
DOI:
10.1007/s10705-010-9349-5

7. Soil nitrogen response to coupling cover crops with manure injection

Author:
Cambardella, Cynthia A.; Moorman, Thomas B.; Singer, Jeremy W.
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 383-393
ISSN:
1385-1314
Subject:
soil depth; pig manure; losses from soil; soil fertility; temporal variation; Zea mays; Glycine max; soil injection; corn; Secale cereale; nutrient retention; rye; leaching; liquid manure; nitrogen fertilizers; nitrogen; oats; soybeans; cover crops; Avena sativa; soil profiles; Iowa
Abstract:
... Coupling winter small grain cover crops (CC) with manure (M) application may increase retention of manure nitrogen (N) in corn (Zea mays L.), -soybean [Glycine max (L.) Merr], cropping systems. The objective of this research was to quantify soil N changes after application of liquid swine M (Sus scrofa L.) at target N rates of 112, 224, and 336 kg N ha⁻¹ with and without a CC. A winter rye (Secale ...
DOI:
10.1007/s10705-010-9345-9

8. Uptake and allocation of plant nutrients and Cd in maize, sunflower and tobacco growing on contaminated soil and the effect of soil conditioners under field conditions

Author:
Fässler, Erika; Robinson, Brett H.; Gupta, Satish K.; Schulin, Rainer
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 339-352
ISSN:
1385-1314
Subject:
Zea mays; corn; Helianthus annuus; sunflower seed products; Nicotiana tabacum; tobacco; cadmium; heavy metals; soil pollution; polluted soils; soil conditioners; field experimentation; copper; zinc; bioaccumulation; fertilizers; phytoremediation; sulfur; chelating agents; nitrilotriacetic acid; soil acidification; nutrient uptake; plant tissues; Switzerland
Abstract:
... Contaminated land may in many cases still be used for agriculture, provided that crops are chosen appropriately, as the accumulation of contaminants varies greatly among cultivars and also plant parts. We aimed to determine whether maize (Zea mays), sunflower (Helianthus annuus) and tobacco (Nicotiana tabaccum) grown on a heavy-metal contaminated soil containing copper (540 mg Cu kg⁻¹), zinc (680 ...
DOI:
10.1007/s10705-009-9342-z

9. A comparative study of farm nutrient budgets and nutrient flows of certified organic and non-organic farms in China, Brazil and Egypt

Author:
Oelofse, Myles; Høgh-Jensen, Henning; Abreu, Lucimar S.; Almeida, Gustavo F.; El-Araby, Ahmed; Hui, Qiao Yu; de Neergaard, Andreas
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 455-470
ISSN:
1385-1314
Subject:
input output analysis; mineral fertilizers; farm inputs; nitrogen; innovation adoption; developing countries; case studies; phosphorus; nutrient balance; potassium; crop management; organic production; organic fertilizers; nutrient management; Egypt; China; Brazil
Abstract:
... Increased demand for certified organic products has led to an increase in the number of certified organic farms in developing countries. Knowledge of farmer nutrient management practices on certified organic farms in developing countries is limited. Thus, the aim of this study was to investigate the impact of the adoption of certified organic agriculture on farm nutrient flows and nutrient budgets ...
DOI:
10.1007/s10705-010-9351-y

10. Interactions between nitrogen, phosphorus and potassium determine growth and N₂-fixation in white clover and ryegrass leys

Author:
Høgh-Jensen, Henning; Schjoerring, Jan K.
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 327-338
ISSN:
1385-1314
Subject:
Trifolium repens; crop yield; plant competition; phosphorus; biogeochemical cycles; nitrogen fixation; pastures; nutrient uptake; sodium; Lolium perenne; botanical composition; forage legumes; forage grasses; potassium; dry matter partitioning; nitrogen fertilizers; potassium fertilizers; plant communities; nitrogen; nutrient-nutrient interactions; phosphorus fertilizers; nutrient partitioning; Denmark
Abstract:
... Variations in yield, N₂ fixation and above-ground accumulation of nitrogen (N), phosphorus (P) and potassium (K) in white clover and ryegrass grown separately or in mixture were investigated under field conditions over two consecutive years at different supplies of N, P and/or K. Ryegrass-clover mixtures consistently out-yielded the pure stand clover and pure stand ryegrass in terms of dry matter. ...
DOI:
10.1007/s10705-009-9341-0

11. P-equilibrium fertilization in an intensive dairy farming system: effects on soil-P status, crop yield and P leaching

Author:
Verloop, J.; Oenema, J.; Burgers, S. L. G.; Aarts, H. F. M.; van Keulen, H.
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 369-382
ISSN:
1385-1314
Subject:
input output analysis; sandy soils; dairy manure; dairy cattle; crop yield; phosphorus; groundwater; grasslands; long term experiments; losses from soil; dairy farming; nutrient management; temporal variation; Zea mays; groundwater contamination; agricultural land; corn; leaching; crop rotation; nutrient availability; phosphorus fertilizers; topsoil; crops; Netherlands
Abstract:
... In the coming decade, European dairy farms are obliged to realize a balance between phosphor (P) inputs to their farmland (in inorganic fertilizers and manure) and outputs (in crop products), the so-called P-equilibrium fertilization. The objective of the present study is to analyze the long-term effects of P-equilibrium fertilization on soil-P status (total soil-P and available soil-P), crop yiel ...
DOI:
10.1007/s10705-010-9344-x

12. Utilization and management practices of animal manure for replenishing soil fertility among smallscale crop farmers in semi-arid farming districts of the North West Province, South Africa

Author:
Materechera, Simeon A.
Source:
Nutrient cycling in agroecosystems 2010 v.87 no.3 pp. 415-428
ISSN:
1385-1314
Subject:
farm surveys; nutrient content; small-scale farming; nitrogen; application methods; indigenous knowledge; animal manure management; extension education; semiarid zones; soil amendments; poultry manure; water content; soil fertility; phosphorus; application rate; nutrient management; South Africa
Abstract:
... Poor soil fertility is one of the most limiting biophysical factors to agricultural production among smallscale farmers in much of the sub-Saharan Africa, especially the semi-arid areas. In this study, a survey of 200 randomly selected farming households across four districts (Mafikeng, Ditsobotla, Ganyesa and Taung) located in a semi-arid environment of the North West Province in South Africa was ...
DOI:
10.1007/s10705-010-9347-7