Developing revised emission factors for nitrous oxide emissions from agricultural pasture treated with nitrification inhibitors.
Report on the effectiveness of two key policy instruments (an incentive to use a nitrification inhibitor and a charge on nitrogen (N) fertiliser) for reducing nitrous oxide and nitrate leaching from arable and annual horticultural land uses.
The report reviews the contribution of urease inhibitors for N fertiliser to emissions reductions in New Zealand's national greenhouse gas inventory and develops methods to describe how ammonia (NH3) emissions from pastoral agriculture soils can be reduced using urease inhibitors.
The report assesses the potential and required changes in activity data and/or inventory structure to capture benefits of four mitigation technologies most effectively in ruminant methane (CH4) and agricultural soils nitrous oxide (N2O) emissions inventories. The four potential mitigation technologies, comprising nitrification inhibitors, feed pads, and two alternative feeds - maize silage and high sugar grasses.
This report assesses the likely impact that the inclusion of irrigation would have on New Zealand's greenhouse gas inventory, and analyse the feasibility of incorporating irrigation into the inventory, considering both activity data and changes to methodology, and emission factors for nitrous oxide.
This document aims to provide a comprehensive update on upscaling methodologies that can provide verification for the inventory calculation of agricultural greenhouse gas emission.
The methane inventory model uses population and slaughter data of model the methane output from the sheep, beef, dairy, and deer sectors from 1990 onwards. The calculation of methane produced by each sector is calculated from the total feed consumed and is a function of the total animal population, the productivity of those animals and the quality of the pasture being consumed.
Reviewing the usage of Dressing Out (DO) percentage for different livestock classes as an important asset to farmers in enabling them to accurately estimate carcass weight from on farm liveweight and to target carcass weight ranges that will maximize returns for their own farming operation.
In this report, industry data on gross intake and digestibility of a set feeding situation and its nitrogen excretion rates for this feeding situation was collected and used to estimate greenhouse gas emissions.
This project aimed to improve the accuracy of data currently used in the NZ Greenhouse gas Inventory Report (GHGIR) by undertaking an assessment of the NZ pork industry's management practices.
A small size goat sector compared with other livestock sectors in NZ means a paucity of data on NZ goat husbandry has limited the ability to derive reliable estimates for enteric methane (Ch4) emission factors and nitrogen (N) excretion rates for the national goat herd.
This report puts forward New Zealand specific excretion factors for poultry within New Zealand and also estimates the total amount of emissions generated for the 2008 calendar year. Emission factors for the broiler, non-chicken meat and layer hen industries are subsequentially determined.
The establishment of Permanent Sample Plots [PSP] on marginal land at two study sites. The contrasting landforms assists in understanding the effects of planting density, survival rates and landform.
The report entails a review of material flows and end-uses of harvested wood products produced from New Zealand log exports, focusing on New Zealand's three major markets: China, South Korea, and India.
Research set out to determine the contribution of national spatial datasets could make on two issues affecting the ability to forecast future wood availability from planted forests and the size of the planted forests estate: 1) The likelihood that individual forest blocks would be harvested; and 2) The probability that forest blocks would be deforested.
The objective of this project is to determine the post-harvest intentions of owners of post-1989 forests that are nearing harvest maturity.