A Manual of Soil Physics
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In our eReader you can find the full English version of the book. Read A Manual of Soil Physics Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Manual of Soil Physics
What reading level is A Manual of Soil Physics book?
To quickly assess the difficulty of the text, read a short excerpt:
Fill the third pan with an equal amount of clay, then add sufficient water to make the contents of each pan in a slushy condition, and put them away to dry.
When dry, make drawings of the soils, showing the cracks.
Work over the material in each pan, noting carefully the structure and hardness of each soil.
References : Lyon and Fippin : Soils, pp. 113-116.
Van Slyke : Fertilizers and Crops, pp. 134-140.
Questions : 1. In which pan is the soil the hardest? the softest? Why?
2. From the results ...of the exercise, is it advisable to add organic matter to the fine-textured soils to alter their physical condition?
3. When is it practical to add sand to a soil in order to change the texture and the structure?
4. What are the most important physical properties of soils that are modified by the addition of sand or organic matter?
[63] EXERCISE XXVIII EFFECT OF ALTERNATE WETTING AND DRYING ON SOIL STRUCTURE Object. The object of the exercise is to study the effect of alternate wetting and drying on the structure of soils.
What to read after A Manual of Soil Physics?
You can find similar books in the "Read Also" column, or choose other free books by Barker, Percy Bousfield. [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Fill the third pan with an equal amount of clay, then add sufficient water to make the contents of each pan in a slushy condition, and put them away to dry.
When dry, make drawings of the soils, showing the cracks.
Work over the material in each pan, noting carefully the structure and hardness of each soil.
References : Lyon and Fippin : Soils, pp. 113-116.
Van Slyke : Fertilizers and Crops, pp. 134-140.
Questions : 1. In which pan is the soil the hardest? the softest? Why?
2. From the results ...of the exercise, is it advisable to add organic matter to the fine-textured soils to alter their physical condition?
3. When is it practical to add sand to a soil in order to change the texture and the structure?
4. What are the most important physical properties of soils that are modified by the addition of sand or organic matter?
[63] EXERCISE XXVIII EFFECT OF ALTERNATE WETTING AND DRYING ON SOIL STRUCTURE Object. The object of the exercise is to study the effect of alternate wetting and drying on the structure of soils.
What to read after A Manual of Soil Physics?
You can find similar books in the "Read Also" column, or choose other free books by Barker, Percy Bousfield. [from Old Catalog] to read onlineMoreLess
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