Volume 29, Number 1 and 2 Search All Journals Search for: Back to Issue Factors Affecting the Economic Threshold for Heterodera schachtii Control in Sugarbeet View Article PDF Back to Issue Post navigation Effect of Planting Date, Nitrogen Fertilizer and Harvest Date on Seasonal Concentrations and Total Content of Five Micronutrients in SugarbeetWinter Wheat and Winter Rye Cover Crops For the Establishment of Sugarbeets