Draining for Profit, and Draining for HealthJudd, 1911 - 252 páginas |
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Página 54
... W M WIL !!! 3 14 allr BROOK ANIL ས་ t / ' 48 ' www . 10 14 13 12 WATER SPRING OPEN DITCH 14 14 two points is 3.3-1.9-1.4 ; } of the space. Fig . 8. - MAP WITH CONTOUR LINES . Fig . 9. - THE CLINOMETER . 54 DRAINING FOR PROFIT AND HEALTH .
... W M WIL !!! 3 14 allr BROOK ANIL ས་ t / ' 48 ' www . 10 14 13 12 WATER SPRING OPEN DITCH 14 14 two points is 3.3-1.9-1.4 ; } of the space. Fig . 8. - MAP WITH CONTOUR LINES . Fig . 9. - THE CLINOMETER . 54 DRAINING FOR PROFIT AND HEALTH .
Página 55
... lines , and the 2 - foot line should be of the space above the point 1.9 ; -the 3 - foot line will then come below ... contour lines taken only at intervals of two feet , and , owing to the smallness of the scale on which these maps are ...
... lines , and the 2 - foot line should be of the space above the point 1.9 ; -the 3 - foot line will then come below ... contour lines taken only at intervals of two feet , and , owing to the smallness of the scale on which these maps are ...
Página 56
... contour lines are taken , as by the aid of the level and rod for the flatter portions , and by the eye alone for the steeper slopes , he will be able at once to strike the proper locations and directions ; but for one of less experience ...
... contour lines are taken , as by the aid of the level and rod for the flatter portions , and by the eye alone for the steeper slopes , he will be able at once to strike the proper locations and directions ; but for one of less experience ...
Página 77
George Edwin Waring. study of the plan of the ground , and of its contour lines , will aid in its determination . On all irregular ground it requires great skill to secure the greatest efficiency consis tent with economy . The fall ...
George Edwin Waring. study of the plan of the ground , and of its contour lines , will aid in its determination . On all irregular ground it requires great skill to secure the greatest efficiency consis tent with economy . The fall ...
Página 97
... contour line , and , above that point , -running up a branch of the valley , -it will receive laterals from both ... lines which offer a good and tolerably uniform descent , than to their use for the imme- diate drainage of the land through ...
... contour line , and , above that point , -running up a branch of the valley , -it will receive laterals from both ... lines which offer a good and tolerably uniform descent , than to their use for the imme- diate drainage of the land through ...
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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.