Now showing items 181-190 of 191
Scarcity of ecosystem services: an experimental manipulation of declining pollination rates and its economic consequences for agriculture
Ecosystem services (ES) such as pollination are vital for the continuous supply of food to a growing human population, but the decline in populations of insect pollinators worldwide poses a threat to food and nutritional ...
Dryand pastures - agronomy and grazing management
This presentation explains the agronomy, growth and development of a range of pasture species used in dryland pastoral systems in New Zealand. It shows the effects of temperature, water and fertilisers on productivity and ...
Premature mammary development in ewe lambs exposed to an oestrogenic lucerne pasture
(NZ Grassland Association, 2016)
A report of mammary development in 6-month-old ewe lambs grazing lucerne on a commercial farm in North Otago provided an opportunity to investigate the possibility to use this as a tool to detect oestrogenic lucerne pastures. ...
Identification and effectiveness of rhizobial strains that nodulate Lupinus polyphyllus
(New Zealand Grassland Association, 2014)
Lupinus polyphyllus plants were heavily nodulated at 10 field sites sampled across the South Island. Twenty-two bacterial isolates from these nodules formed functional nodules on L. polyphyllus indicating that rhizobia ...
Which rhizobia nodulate which legumes in New Zealand soils?
(New Zealand Grassland Association, 2015)
Recent work which genotypically characterised rhizobia of native, crop and weed legumes in New Zealand and examined their cross-nodulation ability is reviewed and related to earlier work with focus on New Zealand pasture ...
Oxalate content of miner’s lettuce irrigated with water or fertilizer solutions
(Scientific Research Publishing Inc., 2016-11-24)
The total, soluble and insoluble oxalate contents of the small, large and cauline leaves and small and large stems of miner’s lettuce (Claytonia perfoliata ) plants which had been irrigated with tap water or a soluble ...
Urine patch area coverage of an intensively stocked dairy pasture
(Lincoln University., 2010-08)
The objective of this study was to develop a new method to quantify seasonal and annual urine patch area coverage under an intensive dairy farming system.
A synergistic mitigation technology for nitrate leaching and nitrous oxide emissions for pastoral agriculture
Report on a mitigation technology which is synergistic for the reduction of both NO3 leaching and N2O emissions and also for the improvement of pasture yield.
Sheep performance on perennial lupins at Sawdon Station, Lake Tekapo
A three-year trial compared the performance of Merino ewes grazing on a perennial lupin pasture with a control flock run predominantly on lucerne pastures at Sawdon Station, Lake Tekapo.
Survey of insect pests of stored grain in New Zealand
(New Zealand Plant Protection Society (Inc.), 2016)
Producers and processors of cereal grains in New Zealand were invited in August 2015 to submit grain samples to allow extraction and identification of any insect pest species present. Sixty grain samples were received, of ...