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These terms define your current search. Click the × to remove a term. Research, Technology and Engineering: equipment > agricultural machinery and equipment > harvesting equipment > harvesters > combine harvesters × 33 items, grouped by Geographical Locations (view ungrouped items) Asia (1)    (Click to View) Cropping systems and crop residue management in the Trans-Gangetic Plains: Issues and challenges for conservation agriculture from village surveys Agricultural systems Europe (1)    (Click to View) Optimum crop densities for potential yield and harvestable yield of grain amaranth are conflicting European journal of agronomy