Cyclopedia of American Agriculture: FarmsLiberty Hyde Bailey Macmillan, 1907 |
Dentro del libro
Resultados 1-5 de 53
Página 84
... humus to the soil . Soluble salts may be disposed of by drain- age , or they may be taken up by alkali - resis- tant plants , such as sorghum . Nitrogen and humus may be supplied by means of legumi- nous green - manuring crops , such as ...
... humus to the soil . Soluble salts may be disposed of by drain- age , or they may be taken up by alkali - resis- tant plants , such as sorghum . Nitrogen and humus may be supplied by means of legumi- nous green - manuring crops , such as ...
Página 94
... humus in the more southern lati- tudes . Soil of this character is very sour , and , until the acidity is corrected by the application of lime , or by the longer ameliorating process of cultiva- tion , the soil is very generally ...
... humus in the more southern lati- tudes . Soil of this character is very sour , and , until the acidity is corrected by the application of lime , or by the longer ameliorating process of cultiva- tion , the soil is very generally ...
Página 95
... humus is , in consequence , not plentiful . Gravels and sand pre- dominate . One is impressed with the idea that nature has not yet completed her work of disintegration and preparation for the cultivator . The soil is not rich , as a ...
... humus is , in consequence , not plentiful . Gravels and sand pre- dominate . One is impressed with the idea that nature has not yet completed her work of disintegration and preparation for the cultivator . The soil is not rich , as a ...
Página 100
... humus as are common at the North are seldom found . Tillage tends to increase these activities and to make the reserve plant - food in the soil available . Taken in connection with the heavy rainfall of most of these regions , which so ...
... humus as are common at the North are seldom found . Tillage tends to increase these activities and to make the reserve plant - food in the soil available . Taken in connection with the heavy rainfall of most of these regions , which so ...
Página 102
... humus , thus securing the mellow , friable texture that is so desirable , and at the same time furnishing a supply of nitrogen . These Fig . 110. To show that sugar - cane may profit by fertilizing in the tropics . The part on the right ...
... humus , thus securing the mellow , friable texture that is so desirable , and at the same time furnishing a supply of nitrogen . These Fig . 110. To show that sugar - cane may profit by fertilizing in the tropics . The part on the right ...
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Otras ediciones - Ver todas
Cyclopedia of American Agriculture, Vol. 3 of 4: A Popular Survey of ... Liberty Hyde Bailey Sin vista previa disponible - 2018 |
Términos y frases comunes
acres adapted agricul agricultural alfalfa ammonia amount animals Association average bacteria barn buildings bushels cattle Census cent chemical clay climate clover corn cost cotton cowpeas cows crops cultivation culture Department of Agriculture drain drainage engine Experiment Station extent farm products farm property farmers feet fence fertilizers field fruit fruit-growing grain grass growing grown harrow horses Horticultural humus important improved inches increase industry irrigation kainit labor legume lime live-stock loam located loess manure material ment methods mineral moisture nitrogen oats Ontario orchard organic phosphate phosphoric acid pipe plant-food plants plow potash potatoes poultry pounds practice province pump quantities rainfall region rice river rock seed soil South Dakota southern square miles streams supply surface temperature tillage tion total land area total value traction engine trees tropical tural Twelfth Census valley vegetables wheat
Pasajes populares
Página 377 - The HORSE-HOEING HUSBANDRY • or, a treatise on the principles of tillage and vegetation, wherein is taught a method of introducing a sort of vineyard culture into the corn-fields, in order to increase their product and diminish the common expenses.
Página 538 - The pennants displayed with the flags indicate the direction of the wind; red, easterly (from northeast to south); white (westerly, from southwest to north). The pennant above the flag indicates that the wind is expected to blow from the northerly quadrants; below, from the southerly quadrants.
Página 372 - Th' ensuing season, in return, may bear The bearded product of the golden year : For flax and oats will burn the tender field, And sleepy poppies harmful harvest yield. But sweet vicissitudes of rest and toil Make easy labor and renew the soil, Yet sprinkle sordid ashes all around, And load with fatt'ning dung the fallow ground.
Página 538 - A red flag with a black center indicates that a storm of marked violence is expected. The pennants displayed with the flags indicate the direction of the wind: white, westerly (from southwest to north); red, easterly (from northeast to south).
Página 538 - No. 1, with No. 4 above it, indicates fair weather, warmer. No. 1, with No. 4 below it, indicates fair weather, colder. No.
Página 377 - Horse-hoeing husbandry; or, An essay on the principles of vegetation and tillage; designed to introduce a new method of culture, whereby the produce of land will be increased and the usual expense lessened.
Página 545 - In summer, rain probable within 12 to 24 hours. In winter, rain or snow, with increasing winds, will often set in when the barometer begins to fall and the wind sets in from the NE.
Página 27 - The Austroriparian area occupies the greater part of the South Atlantic and Gulf States. Beginning near the mouth of Chesapeake Bay it covers half or more than half of Virginia. North and South Carolina, Georgia, Florida, Alabama, the whole of Mississippi and Louisiana, eastern Texas, nearly all of Indian Territory, more than half of Arkansas, and parts of Oklahoma...
Página 471 - A PRACTICAL TREATISE ON PURE FERTILIZERS, and the Chemical Conversion of Rock Guanos, Marlstones, Coprolites, and the Crude Phosphates of Lime and Alumina generally into various valuable Products. By Campbell Morfit, MD, FCS, formerly Professor of Applied Chemistry in the University of Maryland.
Página 379 - To determine the amount, movement, and availability of the water-soluble plant-food materials present in the soil, so that growth may be both rapid, normal, and continuous to the end of the season. (7) To convert the entire root zone of the soil into a commodious sanitary living and feeding place, perfectly adapted to the needs of the roots of the crop and to the soil organisms, — adequately drained, perfectly ventilated, and sufficiently warm. (8) To reduce the waste of plant-food materials through...