Publication Date
1993
Description
Fertiliser policies for legume-based pastures on the high plateau of Guizhou province southern China are compared with those for the South Island of New Zealand, Guizhou policy is reduced to a few essentials. Choice of fertiliser is restricted; severe phosphorus deficiency is corrected with locally manufactured fused calcium magnesium phosphate, potassium deficiency with imported potassium sulphate or chloride. A simple recommendation applies for establishment and maintaining production over vast areas and potentially to huge numbers of small farms (3-7 ha). In the South Island high country, fertiliser forms and rates are matched as far as possible to the variety of land forms and intensities of management which occur within the large (1100 ha) farms. Deficiencies of sulphur, phosphorus and molybdenum vary between different soil groups within farms, Soluble fertiliser forms are used for pasture establishment and slow-release forms for pasture maintenance. Divergent policies will continue to reflect geographic, soil, management and social differences between the countries. However, small changes, like application of fused phosphorus fertiliser 2--3 months before sowing in Guizhou to improve pasture establishment, should be made.
Citation
Boswell, C C. and Floate, M.J S., "Fertilizer Policies for Grassland Production in Winter Cold High Country in the South Island New Zealand and Southern China" (2024). IGC Proceedings (1993-2023). 14.
https://uknowledge.uky.edu/igc/1993/session46/14
Included in
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Fertilizer Policies for Grassland Production in Winter Cold High Country in the South Island New Zealand and Southern China
Fertiliser policies for legume-based pastures on the high plateau of Guizhou province southern China are compared with those for the South Island of New Zealand, Guizhou policy is reduced to a few essentials. Choice of fertiliser is restricted; severe phosphorus deficiency is corrected with locally manufactured fused calcium magnesium phosphate, potassium deficiency with imported potassium sulphate or chloride. A simple recommendation applies for establishment and maintaining production over vast areas and potentially to huge numbers of small farms (3-7 ha). In the South Island high country, fertiliser forms and rates are matched as far as possible to the variety of land forms and intensities of management which occur within the large (1100 ha) farms. Deficiencies of sulphur, phosphorus and molybdenum vary between different soil groups within farms, Soluble fertiliser forms are used for pasture establishment and slow-release forms for pasture maintenance. Divergent policies will continue to reflect geographic, soil, management and social differences between the countries. However, small changes, like application of fused phosphorus fertiliser 2--3 months before sowing in Guizhou to improve pasture establishment, should be made.
