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Analysis of common problems in the use of agricultural films
Jun 12,2024
1. Ageing Usually we do a hand tear test to determine whether the film has aged. In addition, we can test different places to see whether it is local aging or overall aging. The most common problem is that farmers use sulfur or halogen ( Cl, Br , etc.), which makes the UV stabilizer added to the film lose its effectiveness, thereby accelerating the aging of the film. When the fi...
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What is the ebb and flow method?
Sep 25,2024
The ebb and flow method, also known as flood and drain, is a hydroponic growing technique used to cultivate plants without soil. In this method, plants are placed in containers or trays filled with a growing medium, such as expanded clay pellets or rockwool. The containers are periodically flooded with a nutrient-rich solution and then drained. Here's a step-by-step breakdown of the ebb and flow m...
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