Nitrogen leaching losses from pig slurry applied to a shallow soil

Pandey, S.P.; Cameron, K. C.; Dakers, A.

doi:10.1016/0960-8524(92)90010-u

Cited by 5 publications

(4 citation statements)

References 10 publications

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“…et al ( 1992) conducted a study on the use of different organic manure as fertilizer supplements and how their application impacted zinc uptake in wheat. Pandey et al ( 1992) investigated the land application of pig slurry manure and evaluated the fate and behavior of ammonia contained in the waste. Gnanamani and Bai (1992) demonstrated increased crop yields with the land application ofa combined stream ofbiodigested cattle waste and mineral fertilizer.…”

Section: Other Treatment Studiesmentioning

confidence: 99%

Agricultural waste

Marr¹,

Facey²

1994

Water Environment Research

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Section: Other Treatment Studiesmentioning

confidence: 99%

Agricultural waste

Marr¹,

Facey²

1994

Water Environment Research

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“…Biswas et al (1999);Selvarajah (1999);Bolan (2001);Bruere (2004). Pandey et al (1992); Cameron et al (1995); Di et al (1998);Silva et al (1999). Weaver & Ritchie (1994); Chardon et al (1997);Holford et al (1997); Sharpley & Rekolainen (1997);Carpenter et al (1998);Robinson (2000); Redding (2001).…”

Section: Introductionmentioning

confidence: 99%

“…They are based on providing sufficient N to meet pasture N requirements, while avoiding nitrate leaching to groundwater. A number of studies have investigated the effect of farm dairy (Di et al 1998;Di & Cameron 2002) and piggery (Pandey et al 1992;Cameron et al 1995) effluent application on N movement through soil. When farm effluent is applied to land at permitted loading rates, i.e., not exceeding 200 kg N ha -1 yr-1 , the amount of nitrate leaching to groundwater from dairy pasture is insignificant (Di & Cameron 2002).…”

Section: Introductionmentioning

confidence: 99%

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An overview of the environmental effects of land application of farm effluents

Wang

Magesan

Bolan

2004

New Zealand Journal of Agricultural Research

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New Zealand dairy and pig farms generate significant amounts of effluents that contain high concentrations of nutrients such as nitrogen (N), potassium (K), and phosphorus (P), and various trace contaminants (e.g., heavy metals, organic compounds, and endocrine-disrupting chemicals). Land application is a preferred option for farm effluent management. Regulations have been imposed to limit the land application of farm effluent to 150-200 kg N ha -1 to minimise potential leaching loss of nitrate to groundwater. However, focusing mainly on nutrient recycling from farm effluent application has resulted in the effects of other effluent constituents, such as microbial pathogens, heavy metals, odorants and oestrogens, on the receiving ecosystems being overlooked. In this literature review, we assess landapplied farm effluents and their beneficial and potentially adverse effects on the receiving environment. Long-term application of farm effluent based on N loading can lead to P and heavy metal accumulation in the soil. High concentrations of K in effluent are likely to cause pasture nutrient imbalance and induce animal health problems. Recently, there has been some research interest in the role of runoff P in eutrophication of receiving water, effluent-derived pathogen survival and movement in soil ecosystems, effect of effluent-borne dissolved organic matter on pesticide transport in soil profile, and degradation of oestrogens in land-applied effluent. Further research in these areas in New Zealand is needed to help sustain the agricultural industry.

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