The Principles of Agriculture: A Text-book for Schools and Rural SocietiesLiberty Hyde Bailey Macmillan, 1898 - 300 sider |
Andre udgaver - Se alle
Almindelige termer og sætninger
absorbed agriculture albuminoids amount animal applied become blood breed capillary carbohydrates carbon dioxid cells chemical cion clover compact compound condition contain Cornell University crops cultivated dairy digestible diseases drains earth elements evaporation farm farmer feeding fertilizers fodder forage free water fruit Fruit-Growing gastric juice germinate grafting grass growing growth harrow heat Horticulture humus ideal important inches insects intestines juice kinds L. H. BAILEY land layer lime lime water liquid loose maize manure materials meadow means milk moisture nitrate nitrogen nutritive ratio oxygen Paris green particles pasture peptones phosphoric acid plant-food plants plowing potash potatoes pounds principles propagation pruning rainfall ration rock roots rotation saliva secure seed-bed seeds shown in Fig soluble sown starch stomach stomata subsoil substance sugar SUGGESTIONS ON CHAPTER sulfur sulfuric acid supply temperature texture tillage tion tissues trees usually vegetable weather weeds wheat
Populære passager
Side 207 - I went by the field of the slothful, and by the vineyard of the man void of understanding ; and, lo, it was all grown over with thorns, and nettles had covered the face thereof, and the stone wall thereof was broken down.
Side 175 - Boiling soft water 1 gallon Kerosene .... 2 gallons Dissolve the soap in the water, add the kerosene, and churn with a pump for 5 to 10 minutes. Dilute 4 to 25 times before applying.
Side 43 - In short, the first step in the enrichment of unproductive land is to improve its physical condition by means of careful and thorough tillage, by the addition of humus, and perhaps by underdrainage. It must first be put in such condition that plants can grow in it. After that, the addition of chemical fertilizers may pay by giving additional or redundant growth.
Side 248 - The nutritive ratio is the ratio of the digestible protein to the digestible carbohydrates plus two and one -fourth times (449) the digestible fat, expressed in terms of unity or one of the protein.
Side 177 - Dissolve the copper sulfate by putting it in a bag of coarse cloth and hanging this in a vessel holding at least four gallons, so that it is just covered by the water. Use an earthen or wooden vessel. Slake the lime in an equal amount of water. Then mix the two and add enough water to make 40 gallons. It is then ready for immediate use, but will keep for some time.