Pasture development in Guizhou province: 25 years of New Zealand — China co‐operation

摘要：

Guizhou situated in south west China at latitude 26o N has kasrt mountain terrain with an average altitude 1000 m asl and an area of 176,000 km2.The climate is subtropical monsoonal with annual rainfall of 1000 to 1400 mm, 75％ falling during May to July.Mean summer temperatures are 25o C ; and winter 3 to 5o C with light frosts.The undeveloped hill land soils are generally acidic, (pH 4.5 to 5.5 with high aluminium), although 30％ are limestone soils (pH 6.0 to 6.5), deficient in phosphorus ( P), occasional potassium ( K) and low in organic matter.There are seven million farmers with ruminant livestock consisting of 8 m cattle, 0.4 m sheep and 4 m goats.

关键词： alfalfa chicory ryegrass silage white clover

作者: M.P.Rolston Xie JiShi T.G.Harvey

作者单位: AgResearch,Private Bag 4749,Christchurch,New Zealand Guizhou Department of Agriculture,Guiyang,Guizhou,China Massey University,Palmerston North,New Zealand phil

会议类型: 国际会议

会议名称: 2008世界草地与草原大会

会议地点: 呼和浩特

会议语种:英文

在线出版日期: 2008-06-29（万方平台首次上网日期，不代表论文的发表时间）