Q. Field capacity is different from gravity water.

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Q. How many days are generally taken to obtain field capacity after free gravity drainage?

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Q. By what type of forces the soil grains retain water on their surfaces?

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Q. Based on surface tension, what is the name of the part of field capacity water?

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Q. Based on loose chemical bonds, what is the name of the part of field capacity water?

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Q. Capillary water is available to plants and hygroscopic water is not.

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Q. Determine the field capacity, when the unit weight of water is 9.8 KN/m³, and volume of water stored in unit area of soil is 28 m³, the dry unit weight of soil is 18 KN/m³, and the depth of root zone of the plant is 7 m.

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Q. Determine the volume of water stored in unit area if unit weight of water is 9.8 KN/m³, dry unit of soil is 17 KN/m³, field capacity (F) is 2.35 m², and depth of root zone of the plant is 9 m.

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Q. Up to which point plants can extract water?

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Q. What is the name of actual available water to the plants?

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Q. By what percentage of available moisture is easily extracted by plants?

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Q. Which type of moisture is slightly less or most equal to field capacity?

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Q. Which type of moisture acts as a bridge between soil moisture content and field capacity?

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