... effect.Product usingEconomical crops : cotton, beet, sunflower, soybean, rapeseed, tobacco,flax, peanut, oil palm, and tea etc.Field crops: wheat, rice ... effect.Product usingEconomical crops : cotton, beet, sunflower, soybean, rapeseed, tobacco,flax, peanut, oil palm, and tea etc.Field crops: wheat, rice ...