Method for preventing and controlling sugarcane borers by using silkworm excrement

The invention discloses a method for preventing and controlling sugarcane borers by using silkworm excrement. The method comprises the following steps: (1) disinfecting and sterilizing; (2) collectingthe silkworm excrement; (3) performing retting fermentation: transporting the treated silkworm excrement obtained in step (2) to into a silkworm excrement tank, composting the silkworm excrement, andcovering the surface of the silkworm excrement with Ramulus mori powder or rice bran during the compositing of the silkworm excrement in order to achieve retting fermentation; and (4) applying: applying the fermented silkworm obtained in step (3) to sugarcane plantation in the following two ways: A, applying the fermented silkworm obtained in step (3) to sugarcane seed stems as a base fertilizerwhen applied to newly planted sugarcanes, and fattening the sugarcanes with a silkworm excrement bioorganic fertilizer; and B, broadcasting the fermented silkworm obtained in step (3) between lines asa spring fertilizer when ap