. Soils and plant life as related to agriculture . Agriculture; Soils; Plants. CLOVERS AND OTHER LEGUMES 263 to your collection made as required in Section 38; or the illustrations in Figure 116 may help you in this work. By referring to the table which follows, you can de- termine the percentage of each particular weed seed in your sample. For example, suppose you find thirty seeds. -Seeds of some of the common weeds (many times en- larged) . 1, Bracted plantain ; 2, black seeded plantain ; S, rag weed; 4, ox- eye daisy; 6, red clover; 6, catmint; 7, crab grass; S, field dodder; 9, sorrel; 10
. Soils and plant life as related to agriculture . Agriculture; Soils; Plants. CLOVERS AND OTHER LEGUMES 263 to your collection made as required in Section 38; or the illustrations in Figure 116 may help you in this work. By referring to the table which follows, you can de- termine the percentage of each particular weed seed in your sample. For example, suppose you find thirty seeds. -Seeds of some of the common weeds (many times en- larged) . 1, Bracted plantain ; 2, black seeded plantain ; S, rag weed; 4, ox- eye daisy; 6, red clover; 6, catmint; 7, crab grass; S, field dodder; 9, sorrel; 10, dog fennel; 11, chickweed; 12, lamb's quarter; 13, green foxtail; i^, prickly sida; 15, vervain ; ifi, madder; 77, yellow foxtail; 18, clover dodder; 19, heal-all; 20, yellow trefoil; 2J, spurge ; 22, curled dock; 23, lady's thumb ; 24 and 29, buckhorn, showing two faces; 26, mustard; 26, alsike; 27, ox-tongue ; 28, pigweed ; 29, buckhorn; 30, Canada thistle ; 31, campion; 32, wild geranium; 33, peppergrass; 34, camomile; SB, mallow. of buckhorn. According to the table, fifty-seven seeds of this weed make one per cent of a teaspoonful of clover or alfalfa seed. Therefore you have thirty fifty-sevenths, or .526 of one per cent of buckhorn in your sample. If any particular weed seed found in your sample does not. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cunningham, Jules Cool, 1879-; Lancelot, William Henry, 1874-. New York : Macmillan
Size: 1878px × 1330px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookd, booksubjectagriculture, booksubjectplants
