Now showing items 1-10 of 23
The spatial distribution and area coverage of urine depositions in grazed pastures in New Zealand
(Lincoln University., 2006)
A study using GPS and GIS technology to make accurate measurements of the spatial distribution and area coverage of urine depositions in grazed dairy and sheep and beef pastures in New Zealand.
Nutrient management on the Lincoln University dairy farm: "nutrient budgeting for efficient production"
(South Island Dairy Event (SIDE)., 2007-06)
Nutrient management plays an important role in any dairy farming system. Soil fertility status and fertiliser inputs are key drivers of pasture and animal production, whilst fertiliser represents a significant annual cost ...
The effectiveness of nitrification inhibitor technology to improve the sustainability of agriculture
(NZ Institute of Primary Industry Management (NZIPIM), 2009-12)
As reported widely in the general media and also in recent editions of Primary Industry Management, there is increasing recognition of the need to improve the sustainability of New Zealand agricultural systems. Fonterra’s ...
Increasing phosphate rock availability using a lupin green manure crop
(Lincoln University, 2004)
Legumes have been shown to increase the dissolution and utilisation of phosphate rock (PR) phosphorus (P) compared with non-legumes because of their acidifying effect on the rhizosphere. A promising agronomic approach for ...
Using nitrogen : what is best practice?
(South Island Dairy Event (SIDE), 2005-06)
Feed shortages occur in spring because the rate of pasture growth is below the cow demand. Spring pasture growth rate is slow in the South Island because the soil temperature is low and the rate of nitrogen (N) supply from ...
Clean and green with 'eco-n'
(South Island Dairy Event (SIDE)., 2004-06)
Lincoln University and Ravensdown Fertiliser Co-operative have developed a new soil treatment technology, called 'eco-n' technology, that can reduce the environmental impacts of dairy farming and at the same time help ...
The effects of urea and ammonium sulphate nitrate (ASN) on the production and quality of irrigated dairy pastures in Canterbury, New Zealand
(Fertilizer and Lime Research Centre, Massey University, 2003-12)
This paper examines the effects of two different forms of nitrogen (N) fertiliser, urea and ammonium sulphate nitrate (ASN) on the production and quality of spray irrigated dairy pastures in Canterbury. Pasture production ...
The potential role of the nitrification inhibitor DCD for reducing nitrate leaching from grazed grassland
(Agricultural Research Forum 2008., 2008-03)
The objective of this lysimeter experiment was to assess the effect of DCD (dicyandiamide), a commercially used nitrification inhibitor, on nitrate leaching from Irish grassland soils after urine and fertiliser applications.
Dairying and the environment
(South Island Dairy Event (SIDE), 2001-06)
Over the past decade, there has been a rapid increase in dairy farming in the South Island. A number of the newly established dairy farms are on free-draining course-textured or stony soils. Nitrate leaching from intensive ...
Seasonal fluctuations in phosphorus loss by leaching from a grassland soil
(Soil Science Society of America, 2004)
Phosphorus losses from soils have been reported to impair the water quality, resulting in deaths of fish and other marine animals, and can harm human health. The objective of this study was to determine the seasonal ...