Syngenta AG, an agribusiness company, operates in crop protection and seeds businesses. It operates in three segments: Crop Protection, Seeds, and Plant Science. The Crop Protection segment offers herbicides, especially for corn, cereals, soybean and rice; fungicides for cereals, fruits, grapes, rice, soybean, and vegetables; insecticides for fruits, vegetables, and field crops; and professional products, such as seed treatments, products for public health, and products for turf and ornamentals. ...

Terra Industries Inc. (Terra) is a producer and marketer of nitrogen products, serving agricultural and industrial markets. Terra Nitrogen Company, L.P. (unclips), through its subsidiary, Terra Nitrogen, Limited Partnership, operates the Company's manufacturing facility at Verdigris, Oklahoma. Terra is the sole general partner and the majority limited partner of TNCLP. In addition, Terra owns a 50% interest in Point Lisas Nitrogen Limited (PLNL), an ammonia production joint venture in the Republ ...