Weeds of the Farm and GardenOrange Judd Company, 1912 - 281 páginas |
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Página 2
... cultivation . I have also had a very complete illustration that the removal of weeds increased the crop greatly in the case of a cornfield which contained a great deal of quack grass . In 1908 this field was cleaned and the present ...
... cultivation . I have also had a very complete illustration that the removal of weeds increased the crop greatly in the case of a cornfield which contained a great deal of quack grass . In 1908 this field was cleaned and the present ...
Página 6
... cultivated artichoke are used as food , and the Indians used the wild artichoke in the same manner . The meadow sunflower was another plant that furnished food to the Indians . Sweet clover is an excellent bee plant , a good forage ...
... cultivated artichoke are used as food , and the Indians used the wild artichoke in the same manner . The meadow sunflower was another plant that furnished food to the Indians . Sweet clover is an excellent bee plant , a good forage ...
Página 19
... Cultivation . It is not uncommon to find that weeds are carried from one field to another by cultivators or plows . This is particularly true of quack grass and Johnson grass . Impure Seed . - Many bad weeds are introduced with im- pure ...
... Cultivation . It is not uncommon to find that weeds are carried from one field to another by cultivators or plows . This is particularly true of quack grass and Johnson grass . Impure Seed . - Many bad weeds are introduced with im- pure ...
Página 23
... cultivated as an ornamental plant in this state , has scattered to the fields and has become a troublesome weed in grain fields . Mexican fireweed , cultivated as an ornamental plant , is becoming trouble- some DISPERSAL OF WEED SEEDS 23.
... cultivated as an ornamental plant in this state , has scattered to the fields and has become a troublesome weed in grain fields . Mexican fireweed , cultivated as an ornamental plant , is becoming trouble- some DISPERSAL OF WEED SEEDS 23.
Página 24
Louis Hermann Pammel. cultivated as an ornamental plant , is becoming trouble- some in many places . Butter - and - eggs was not only introduced as an ornamental plant and cultivated , but since has spread because sent out with ...
Louis Hermann Pammel. cultivated as an ornamental plant , is becoming trouble- some in many places . Butter - and - eggs was not only introduced as an ornamental plant and cultivated , but since has spread because sent out with ...
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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