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What are some folk methods for increasing cucumber yield? These methods are worth trying
Summary Broadcasting plant ash: during the seedling stage, broadcast plant ash on the roots and leaves of cucumbers. Smoke fumigation to increase female flowers: when the seedlings grow to 2-4 true leaves, the greenhouse can be filled with light smoke. Spraying chemicals: when the 1st true leaf grows, ethephon can be sprayed; when 2-3 true leaves grow