Draining for Profit, and Draining for HealthJudd, 1911 - 252 páginas |
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Página 53
... distance from one line to the next is great , the land is more nearly level , and when it is short the inclination is steeper . For instance , in the southwest corner of the plan , the land is nearly level to the 2 - foot line ; it ...
... distance from one line to the next is great , the land is more nearly level , and when it is short the inclination is steeper . For instance , in the southwest corner of the plan , the land is nearly level to the 2 - foot line ; it ...
Página 55
... distance from the soundings to the ranges of the stakes , we can denote on the map the shape and depth of sunken rocks . The shaded spot on the east side of the map , ( Fig . 8 , ) indicates a rock three feet from the surface , which ...
... distance from the soundings to the ranges of the stakes , we can denote on the map the shape and depth of sunken rocks . The shaded spot on the east side of the map , ( Fig . 8 , ) indicates a rock three feet from the surface , which ...
Página 57
... distance is 100 feet , and the slope is at an angle of 10 ° , the rise will be 1733 feet . Table No. 2 shows the rise of the siope for 100 feet of its own length . If the sloping line , ( at an angle of 15 ° , ) is 100 feet long , it ...
... distance is 100 feet , and the slope is at an angle of 10 ° , the rise will be 1733 feet . Table No. 2 shows the rise of the siope for 100 feet of its own length . If the sloping line , ( at an angle of 15 ° , ) is 100 feet long , it ...
Página 58
... distance apart , the direction , and the rate of fall , of the lateral drains ? 7. What kind and sizes of tile should be used to form the conduits ? 8. What provision should be made to prevent the ob- struction of the drains , by an ...
... distance apart , the direction , and the rate of fall , of the lateral drains ? 7. What kind and sizes of tile should be used to form the conduits ? 8. What provision should be made to prevent the ob- struction of the drains , by an ...
Página 59
... distance . The proper arrangement of these col- lecting drains requires more skill and experience than any other branch of the work , for on their disposition depends , in a great measure , the economy and success of the undertaking . 4 ...
... distance . The proper arrangement of these col- lecting drains requires more skill and experience than any other branch of the work , for on their disposition depends , in a great measure , the economy and success of the undertaking . 4 ...
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Draining for Profit, and Draining for Health George E 1833-1898 Waring Sin vista previa disponible - 2015 |
Términos y frases comunes
acre agricultural amount basin bottom brick bushels carried cause cents chapter clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect evaporation fall farm farmer feet deep fever fiber crops field fifth column filled flow foot four feet Gisborne grade ground Hackensack River heat heavy rain houses improvement inches joints kiln labor laid land laying length less lower main drain malarious manure marsh matters moisture muddy water nearly necessary obstruction operation outlet particles pipes placed plants plow porous practice prevent quantity rain-fall removed result roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end vegetable whole width
Pasajes populares
Página 252 - A practical guide for beginners and a standard reference of great interest to persons already engaged in celery growing. It contains many illustrations giving a clear conception of the practical side of celery culture. The work is complete in every detail, from sowing a few seeds in a window-box in the house for early plants, to the handling and marketing of celery in carload lots. Fully illustrated. 150 pages. 5x7 inches. Cloth $0.50 Tomato Culture By WILL W. TRACY. The author has rounded up in...
Página 34 - Such were the effects at an early period of the year on a black bog. They suggest some idea of what they are, when in July or August thunder-rain at 60° or 70° falls on a surface heated to 130°, and carries down with it into the greedy fissures of the earth its augmented temperature. These advantages porous soils possess by nature, and retentive soils only acquire them by drainage.
Página 252 - It includes the manner of growth, soils and fertilizers adapted, best varieties, seed selection and breeding, planting, harvesting, insects and fungous pests, composition and feeding value; with a special chapter on markets by Albert W. Fulton. A practical book for the grower and student alike. Illustrated. 144 pages. 5x7 inches. Cloth $0.50 Celery Culture By WR BEATTIE. A practical guide for beginners and a standard reference of great interest to persons already engaged in celery growing. It contains...
Página 65 - ... other. The obvious remedy is to destroy their united action ; to break through their line of communication. Remove your water of attraction to such a depth that evaporation cannot act upon it, or but feebly. What is that depth ? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly. Still, as water taken from a...
Página 252 - ... the handling and marketing of celery in carload lots. Fully illustrated. 150 pages. 5x7 inches. Cloth $0.50 Tomato Culture By WILL W. TRACY. The author has rounded up in this book the most complete account of tomato culture in all its phases that has ever been gotten together. It is no...
Página 66 - A farmer manures a field of four or five inches of free soil reposing on a retentive clay, and sows it with wheat. It comes up, and between the kernel and the manure it looks well for a time, but anon it sickens. An Irish child looks well for five or six years, but after that time potato-feeding, and filth, and hardship begin to tell. You ask what is amiss with the wheat, and you are told that when its roots reach the clay they are poisoned.