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Principles o? Weed Control
Biological Control of Weeds
3 other sections not shown
acid arsenical active agricultural alfalfa amitrole ammonium annual weeds application areas arsenic trioxide barley Bermudagrass bindweed boom borax boron broad-leaved weeds California Canada thistle cent cereals chemical chloropicrin CIPC clay competition compounds concentration control of weeds corn cotton Crafts crop plants cultivation dalapon ditch diuron dosage effective emulsion ester Expt factors fertility field bindweed flax foliage formulations germination grasses growing growth Ib per acre increased infested injury insects irrigation Johnswort Jour kill land leaching loam method mixture moisture monuron mustard nozzles nutrients pentachlorophenol perennial weeds pests plots pre-emergence proved quackgrass rainfall reduced rhizomes roots salt seedlings selective herbicides simazine sodium arsenite sodium chlorate soil sterilants soluble solution soybeans sprayer studies sulfuric acid surface temperature tests tillage tion toxicity translocation treated treatment triazines vegetation weed control weed killers weed seeds weed species wheat wild oats