Show bindweed serious pest in all parts of U S bindweed Is an actual or potentially serious pest in all parts of the united states this weed Is distributed over many sections of farm land in the midwest mid blid west and may be started at any remote point through planting contaminated seed very little information Is available as to the actual effect of bindweed on the yield of grata grain crops states a writer in successful farming many farmers contend that on well tilled fields bindweed does not reduce the yield of small grain in order to secure some accurate information on this question members of the department of 0 a agronomy aln of the kansas state collie college visited farms infested with bindweed and harvested wheat and oats from bindweed areas and from adjacent areas in the same field that were tree free from bindweed the average yield of wheat in the bindweed areas was bushes bushels per acre which was 71 bushels or 31 per cent less than han the average yield of bushels secured from the adjacent bindweed free areas the average oats yield in the bindweed areas was bushels bush els which was bushels bus liels or 40 46 per cent less than the avera average e yield of SOO bushels secured in the bindweed free areas bindweed DInd ced did not reduce the stand of either wheat or oats but it did reduce tile the sto spooling oling as indicated by head counts made at the time of barvest harvesting log |