Weeds of the Farm and GardenOrange Judd Company, 1912 - 281 páginas |
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Página 2
... field was cleaned and the present season has been in oats . The treated field contained one - third more oats to the acre than the weedy adjacent fields ... grain , that it will not be possible to obtain this fullest yield if the ground ...
... field was cleaned and the present season has been in oats . The treated field contained one - third more oats to the acre than the weedy adjacent fields ... grain , that it will not be possible to obtain this fullest yield if the ground ...
Página 4
... fields . Some weeds are injurious because they are poisonous to man and the lower animals . Cowbane and water pars- nip are powerfully poisonous ; the seed of corn cockle poisons grain ; squirrel - tail , wild barley and awned brome ...
... fields . Some weeds are injurious because they are poisonous to man and the lower animals . Cowbane and water pars- nip are powerfully poisonous ; the seed of corn cockle poisons grain ; squirrel - tail , wild barley and awned brome ...
Página 20
Louis Hermann Pammel. As examples of presence in clover fields of weeds intro- duced with seed , a few selected areas ... grain . 20 WEEDS OF THE FARM AND GARDEN.
Louis Hermann Pammel. As examples of presence in clover fields of weeds intro- duced with seed , a few selected areas ... grain . 20 WEEDS OF THE FARM AND GARDEN.
Página 23
... Grain Seed . The wild oats is frequently scattered with oats , but there is little of this weed in Iowa except in a ... fields and has become a troublesome weed in grain fields . Mexican fireweed , cultivated as an ornamental plant , is ...
... Grain Seed . The wild oats is frequently scattered with oats , but there is little of this weed in Iowa except in a ... fields and has become a troublesome weed in grain fields . Mexican fireweed , cultivated as an ornamental plant , is ...
Página 24
... fields . Other plants , as horse- radish and ground - ivy , have become ... grain . ( C. M. lamb's quarter , purslane , velvet weed , King . ) T I Fig ... grain . ( C. M.. 24 WEEDS OF THE FARM AND GARDEN.
... fields . Other plants , as horse- radish and ground - ivy , have become ... grain . ( C. M. lamb's quarter , purslane , velvet weed , King . ) T I Fig ... grain . ( C. M.. 24 WEEDS OF THE FARM AND GARDEN.
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Términos y frases comunes
achenes alfalfa annual awned biennial blue grass bracts branched brome grass bull thistle C. M. King calyx Canada thistle carpels cent Cirsium clover seed clusters cocklebur common weed corn corolla crab grass crop cultivated curled dock dodder erect Europe five five-lobed four foxtail fruit germination glabrous glumes hairy herb horse nettle impurities inches long involucre Iowa lanceolate leaf leaves linear lobes marsh elder meadows milkweed Minnesota Missouri morning glory mustard native North numerous oats oblong ovary ovate ovules panicles pappus pastures pepper grass perennial petals petioled pigweed pinnately pistil Plantago plantain plants plowing poisonous Polygonum prickly pubescent purple quack grass racemes ragweed roadsides roots rootstocks Rumex sepals sessile sheaths sheep sorrel slender smartweed smooth soil species spikelets spikes spreading Spurge squirrel-tail stamens stem stipules sulphate Sunflower sweet clover Texas three feet high toothed troublesome weed U. S. Dept upper waste places weed seeds wild yellow