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1·Conducting agricultural control in winter, i. e. clearing away and burning diseased branches and leaves, applying Lime sulphur one times.

冬季进行农业防治，包括清除、烧毁病枝落叶、施用石硫合剂。

2·The new technology of copper sulphur separation that USES a highly efficient depressor to thoroughly replace the lime is discussed.

探讨了采用高效抑制剂完全取代石灰进行铜硫分离的新技术。