Publication Date
1989
Description
The mid-altitude zone in Yunnan Province of SW China ranges from 1500-2500 m in altitude and has a climate intergrading between sub-tropical and temperate with a mean temp. of 7-10°C in the coldest month and 19-22 °C in the hottest month. The annual rainfall ranges from 800-1200 mm with 80 % falling in the monsoon period, May to September. About 80 % of the total 39.4 m ha of the province is in this very hilly mid-altitude zone. (He et al., 1982) Native grassland vegetation is dominated by Themeda trianda, Arundinella radoli, Imperata cylindrica and some other grasses such as Eragrostis pilosa, Paspalum spp. etc., but there are very few forage legumes. The present communal grazing system results in severe overgrazing which causes deterioration of the rangelands including serious soil erosion in many places. Limestone is a dominant parent rock and red earth soils are formed on it with pH range of from 5 to 6. The objective of the work was to define the most important factors that influence succssfu] legume and grass establishment, and to formulate economic and reliable pasture development methods for this zone. The factors considered most important were : - method of sowing ; time of sowing ; rate of sowing ; using various species mixtures described by Mathison et al., (1985) and fertilizer rates recommended by Wang et al., (1985). This paper concentrates on methods of sowing improved pasture into native grassland.
Citation
Jia-Xiang, Kui; Glencross, R N.; Hongxin, Ai; and Xiong, Chen, "Factors Influencing Pasture Establishment and Persistence in the Mid-Altitude Zone, Yunnan, Southern China" (2025). IGC Proceedings (1989-2023). 8.
https://uknowledge.uky.edu/igc/1989/session4b/8
Included in
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Factors Influencing Pasture Establishment and Persistence in the Mid-Altitude Zone, Yunnan, Southern China
The mid-altitude zone in Yunnan Province of SW China ranges from 1500-2500 m in altitude and has a climate intergrading between sub-tropical and temperate with a mean temp. of 7-10°C in the coldest month and 19-22 °C in the hottest month. The annual rainfall ranges from 800-1200 mm with 80 % falling in the monsoon period, May to September. About 80 % of the total 39.4 m ha of the province is in this very hilly mid-altitude zone. (He et al., 1982) Native grassland vegetation is dominated by Themeda trianda, Arundinella radoli, Imperata cylindrica and some other grasses such as Eragrostis pilosa, Paspalum spp. etc., but there are very few forage legumes. The present communal grazing system results in severe overgrazing which causes deterioration of the rangelands including serious soil erosion in many places. Limestone is a dominant parent rock and red earth soils are formed on it with pH range of from 5 to 6. The objective of the work was to define the most important factors that influence succssfu] legume and grass establishment, and to formulate economic and reliable pasture development methods for this zone. The factors considered most important were : - method of sowing ; time of sowing ; rate of sowing ; using various species mixtures described by Mathison et al., (1985) and fertilizer rates recommended by Wang et al., (1985). This paper concentrates on methods of sowing improved pasture into native grassland.
