摘要
通过大面积调查、定点实测及盆栽试验，发现产长茧丝蚕茧地区主要分布于鲁西、鲁北潮土区，以高青县茧丝长尤为突出；各类桑园产茧茧丝长规律是，新桑园优于老桑园，肥培管理好的桑园优于肥培管理差的桑园。
Based on survey in large area,on-the-spot measurement and experiment with potted plants, authors discovered that long filamentsilk was produced mainly in the aquent soil area of west and north Shandong province, especially in Gaoqing county, For the fila-ment quality of silkworm cocoon,thenewly planted mulberry fields were superior to the old ones, and the well fertilized fields were superior to the poor fertilized.
关键词
土壤
桑园
肥料
蚕茧
茧丝长
quality soil
mulberry field
manure
cocoon
cocoon shell weight
cocoon filament
