This paper presents an overview of the risk literature, concentrating on general approaches to risk analysis and risk assessment. We believe that this is an essential first step towards the setting of guidelines or the ...

Some New Zealand soils were shown to have a high affinity for low concentrations of added copper. Between 95 - 100% of added copper was adsorbed by these soils. Adsorption isotherm gradients calculated using total solution ...

FOCUS is a user-friendly computer program to generate the changing appearance of a system as an observer changes the viewing criteria. The criteria are measured by time and space scales and the range of scales is determined ...

The use of lupins for feeding sheep is reviewed. The paper concentrates on the use of sweet Lupinus angustifolius (in Australia) as a source of supplementary summer feed for sheep which normally graze dry pasture or cereal ...

The themes for the 1986 Conference of the New Zealand Branch of the Australian Agricultural Economics Society were Trade Policy and the GATT Negotiations, Non-Government Arrangements for Funding Agricultural Research, ...

This paper critically examines existing land use planning statutes and proposes major reform. It argues that land use planning statutes serve a valuable function in providing for the clearer definition of property ...

The New Zealand flower thrips (Thrips obscuratus (Crawford)) is an important pest of stonefruit during flowering and at harvest in New Zealand. The biology and control of this species formed the basis for this study. A ...

Dense subsoil layers in some Canterbury soils often provide mechanical resistance sufficient to prevent root growth into subsoil layers. This can increase crop susceptibility to drought stress, resulting in a reduction in ...

A series of trials was carried out from 1984/85 to 1986/87 with two main objectives: to establish an adequate number of white clover plants under barley and to investigate the mechanism of competition between barley and ...

Land application of organic waste needs to be sustainable. In order to maximise the benefits to plant production whilst minimising adverse impacts on the environment, there is an urgent need to improve our knowledge of ...