Draining for Profit, and Draining for HealthJudd, 1911 - 252 páginas |
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Página 13
... filled with air . If in " this condition a seed be 66 66 placed in the soil , at a , you at once perceive that " it is freely supplied with air , but there is no moisture ; " therefore , when soil is perfectly dry , a seed cannot grow ...
... filled with air . If in " this condition a seed be 66 66 placed in the soil , at a , you at once perceive that " it is freely supplied with air , but there is no moisture ; " therefore , when soil is perfectly dry , a seed cannot grow ...
Página 14
... filled with water ; and , consequently , you perceive 66 that , while the seed a has " quite enough of air from " the canals , it can never be " without moisture , as every particle of soil which " touches it is well supplied " with ...
... filled with water ; and , consequently , you perceive 66 that , while the seed a has " quite enough of air from " the canals , it can never be " without moisture , as every particle of soil which " touches it is well supplied " with ...
Página 15
... filled with air . Heavy soils which require drainage are not in this condition . When they are not saturated with water , they are generally dried into lumps , which are almost as impenetrable by roots as so many stones . The moisture ...
... filled with air . Heavy soils which require drainage are not in this condition . When they are not saturated with water , they are generally dried into lumps , which are almost as impenetrable by roots as so many stones . The moisture ...
Página 22
... filled with water , that does not readily find a natural outlet , but remains until removed by evaporation . Every considerable addition to its water wells up , and soaks its very surface ; and that which is added after it is already ...
... filled with water , that does not readily find a natural outlet , but remains until removed by evaporation . Every considerable addition to its water wells up , and soaks its very surface ; and that which is added after it is already ...
Página 23
... filled with air instead of water . The water below the drains stands at a level , like any other water that is dammed up . Rain water falling on the soil will descend by its own weight to this level , and the water will rise into the ...
... filled with air instead of water . The water below the drains stands at a level , like any other water that is dammed up . Rain water falling on the soil will descend by its own weight to this level , and the water will rise into the ...
Otras ediciones - Ver todas
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.