5.Control methods include genetic resistance, proper croprotation, tillage practices to bury crop residues that promote disease development, and fungicides.
7.The wide range in yields is due to the particular farming practices which include croprotation and length of fallow and their effect on soil moisture levels.
8.The Importance of Green Manure Cover Crops and CropRotation in the No-tillage System —— Experiences in the development of the No-tillage System in Brazil and Paraguay
9.Thirteen new cultivars of forage and foddercrop were registered by the Chinese Herbage Cultivar Registration Board (CHCRB) on the second meeting of the fourth CHCRB in December 2001 at Chengdu city, Sichuan province.
