Profile: Helena Chemical Company offers a variety of crop protection products, agricultural chemicals, seed, fertilizer and related products. We provide services in turf & ornamental products, forestry, aquatic and vegetation management. Adjuvants are used to modify the physical characteristics of a liquid spray application to improve its performance. Adjuvants are used to modify the physical characteristics of a liquid spray application to improve its performance. Nutritional products include soil- and foliar-applied specialty fertilizers & micronutrients. This extensive line of products includes a wide array of nutritional formulations and blends applied by themselves or impregnated on and applied with NPK blends.