20 pages matching chloropicrin in this book
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Reproduction of Weeds
Association of Weeds with Soils and Crops
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acid-arsenical acre agricultural alfalfa ammonium thiocyanate annual weeds application areas arsenic trioxide arvensis barley Bermuda grass borax boron Calif California Canada thistle carbon bisulphide cent cereals chemical chlorate toxicity chloropicrin Cirsium arvense clover competition concentration control of weeds Convolvulus arvensis Crafts crop plants cultivation culture dandelion deep-rooted perennials depth disk ditches dosage effective eradication Expt factors fertilizers field germination grain grazing herbicides hoary cress infested insects irrigation Jour kill Klamath weed land lawn leaching mature method moisture mustard nitrate nutrients pastures percentage perennial weeds pests plots plowing poison Raynor rhizomes roots rootstocks Russian knapweed salt sandy loam season seedlings shows Sinox smother crop sodium arsenite sodium chlorate soil sterilization spread square rod sulphate sulphuric acid surface Table tests tillage tion translocated treatment tubers vegetation weed control weed growth weed seeds weed species wheat wild morning-glory winter