Improved cultivation techniques for edible fungi

After collecting the mushrooms, carefully clean the noodles, remove the mushroom roots and mushrooms, and concentrate them deeply. The old cultivation room with serious disease should be fumigated (including used shelves, tools, etc.). The method is: fumigation is carried out in a ratio of 40 ml o

Autumn rapeseed cultivation technique

Seeding and seedling: After the whole planting, the soil surface is sprayed with 600-800 times of new high-fat film, which can protect the water-proof evaporation, sun-proof and drought-resistant, heat-preserving and anti-freezing, anti-soil layering, suffocation and isolation of pests and disease

How to operate the dart impact test

Impact Resistance of Plastic Film by the Free-Falling Dart is the energy of a plastic film or sheet sample that breaks down to 50% under the impact of a free dart at a given height. Destroy quality representation. Standard GB9639-88 stipulates that the energy of 50% plasti