Phosphorus (P) is one of the most important mineral nutrients in agricultural systems, and
along with nitrogen (N), is generally the most limiting nutrient for plant production. Farming …

In this publication we review recent research and understandings of nutrient flows and
losses, and management practices on grazed pastoral farms in New Zealand …

The loss of phosphorus (P) from land to water is detrimental to surface water quality in many
parts of New Zealand and Australia. Farming, especially pasture‐based dairying, can be a …

The international competitiveness of the New Zealand (NZ) dairy industry is built on low cost
clover-based systems and a favourable temperate climate that enables cows to graze …

The impact of soil water repellency (SWR) on soil phosphorus (P) mobility in surface water
runoff remains contentious. Although SWR may cause a significant increase in surface …

Nutrients and sediment lost through runoff to surface and ground water represents a risk to
human and environmental health. In order to understand the mechanisms of nutrient and …

Nonpoint‐source pollution of fresh waters by P is a concern because it contributes to
accelerated eutrophication. Given the state of the science concerning agricultural P …

Nutrients exported from grazing systems contribute to eutrophication of surface waters. In
this study the contributions of soil, pasture‐plants, and dung to P exports in overland flow …

The enrichment of phosphorus (P) in streams and rivers can impair water quality, but
concentrations have decreased. We found little evidence that this improvement was caused …

This paper describes key linkages between land management activities and stream water
quality for a 5230ha catchment used for intensive pastoral agriculture in southern New …