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Mineral nitrogen regimes in soils of natural and modified snow tussock grasslands of Canterbury and Otago, New Zealand
(Lincoln College, University of Canterbury, 1983)
Mineral nitrogen (N) levels in natural grasslands of the world fluctuate in response to a range of environmental influences but are generally low with ammonium (NH₄-N) levels usually below 10 µg g⁻¹ soil and nitrate (NO₃-N) ...
Nitrogen fixation in peas (Pisum sativum)
(Lincoln College, University of Canterbury, 1983)
Field experiments were conducted at Lincoln College, Canterbury, from 1979-81 to assess the effect of peas (pisum sativum) on subsequent crops and evaluate factors influencing their N-fixing activity.
In two trials, ...
The effect of water stress, nitrogen and gibberellic acid on the phytotoxicity of post-emergent herbicides to Avena spp.
(Lincoln University, 1990)
A series of experiments was carried out on cultivated oat (Avena sativa L. cv Amuri) to
examine the efficacies of fluazifop-butyl and glyphosate against water stressed plants,
plants grown in low and high nitrogen and ...
Extractable soil nitrogen following clear-cutting and burning in a beech forest
(Soil Science Society of America, 1985-11)
Nitrogen (N) mineralization was monitored in the humus layer and soil in an undisturbed and harvested beech (Nothofagus) spp. forest in the West Coast of the South Island of New Zealand. To assess the effects of different ...
Causes and control of high screenings in barley
(Lincoln University, 1991)
Four field experiments were conducted between 1986 and 1989 with a two-row spring barley cultivar 'Triumph' in Lincoln, Canterbury, New Zealand, to investigate the causes of screenings and the measures for minimizing ...
Effects of different crop residues and management practices on soil nitrogen dynamics, yield and recovery of nitrogen by wheat
(Lincoln University, 1998)
In a large field experiment on an irrigated Templeton silt loam (Udic Ustochrept) soil using a completely randomised block design with six replicates (each main plot = 30 x 20m), main plot treatments of wheat and ryegrass ...
Nitrogen and heavy metal dynamics following the application of municipal sewage sludge to an acid forest (Pinus radiata) soil
(Lincoln University, 1996)
The application of sewage sludge to forests holds much potential, both as a waste disposal option, and as a source of cheap fertilizer. The possible risks include nutrient (particularly nitrogen) overloading beyond the ...
The carbon and nitrogen physiology of Achillea millefolium L. (Yarrow)
(Lincoln University, 1993)
Achillea millefolium (L.) in New Zealand has become an increasing problem on arable and horticultural land where selective control remains difficult to achieve. Patterns of carbon and nitrogen accumulation and use were ...
The effect of different production environments on disease: Yield relationships in potato (Solanum tuberosum L.)
(Lincoln University, 1998)
The influence of different production environments on disease: yield relationships was investigated to test whether it is feasible to develop robust models of the relationship which are applicable across a range of production ...
Some aspects of the economics of nitrogen storage farming in New Zealand
(Lincoln College. Agricultural Economics Research Unit., 1972-05)
In this paper we are concerned with some economic aspects of the use of artificial nitrogen fertilisers in New Zealand agriculture. With the prospect of much cheaper nitrogen fertiliser in the future (and possibly more ...