Kaolin Clay For Plants: Organic Garden Insect Control
Researchers wanted to determine how and when kaolin ( the product known as Surround WP of which 95% of the active ingredient is Kaolin clay) should be applied to tomatoes being grown for market. The researchers especially focused on the sun shielding qualities of the product and also wanted to know if Surround WP could prevent the development of beet curly top virus (BCTV) in tomato plants.