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yu yao cha chang pen guan 15 nian jing ji xiao yi fen xi
Author(s): 
Pages: 41-44
Year: Issue:  2
Journal: Water Saving Irrigation

Keyword:  经济效益分析喷灌系统茶叶茶场喷灌工程余姚市副热带季风产量工程投资沙壤土;
Abstract: <正> 一、引言余姚市茶场位于浙东平原,距余姚市4km,属副热带季风气候区,多年平均雨量为1320mm,但年际年内分配很不均匀,丰水年达1600mm,枯水年仅900mm,一年中4~6月雨量占全年33%,7~9月则炎热少雨,严重威胁夏秋茶产量。茶场建于1965年,共有茶园面积855亩,土质为沉积沙壤土,土层较薄,遇到连续5天高温无雨,茶叶就不能正常
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