Question
How is the soil texture analysis done? Describe in brief.
Answer :
Word Count : 1194
__________ ___ ______ _____ _________ _________ ______ ___.
_________ _______ _______ __________ ________ ______ ______ _______ _____ ____ __________.
___ __________ ______ __________ _________ ______ _____ _________ _________ ______.
_______ _______ _________ ___ __________ ___ ___ _________ _____.
___ ____ ________ _______ _________ _____ __________ __________ ___ ______ _____ ____.
_____ ________ _______ ___ ______ _______ __________ __________ ____ ______ ___ _____.
_______ ________ __________ ___ _____ ________ _______ _____ ______.
______ _________ _____ ___ ______ ______.
___ ___ ____ __________ _________.
_________ __________ ____ ___ _______ _____ ____ _____.
_________ _____ _____ _______ ____ _______ ________ ______.
______ __________ _____ ______ ______ ____ _____ ___.
___ _______ ________ ____ _______ _________ _________ ______.
___ ______ ____ ____ _______ ___ ___ _________.
___ _________ ___ ________ _______.
_____ _____ _______ ____ ________ _____.
_________ _______ ________ ______ __________ ___.
_________ _______ ___ _________ ___ __________.
___ _______ ___ _________ ______ _______ _____.
_________ _____ _________ ________ _____ _______ _______.
_______ ________ ___ ____ ______ _________ ______ ___ ____ _____ ____.
__________ ___ _____ _____ _________ ___ ____ ____ _________ _________.
________ _______ _________ ______ ________.
____ _____ _______ __________ _________ ____ _________ _________ ___ ______ ___ ______.
__________ _____ _____ _______ _________ ____.
____ ____ ___ _______ ________ ______ ___ _______ _________ ____.
__________ __________ ____ _______ ______ _______ _____ _____ ______ _________ _____ __________.
_________ _____ _________ __________ ______ _______ _____ ________ ___ ______ ___ __________.
________ _______ ____ _____ _____.
____ ____ _____ ____ ______ _______ ___ _____ __________.
____ ___ _________ _________ _______ _____ _________.
________ ____ _____ __________ __________ ________ _____ ____ ______ _____ ___ __________.
___ ______ _____ ____ ________ _______ _____ ______ ______ __________ ________.
_________ _________ ______ _______ _________ ____.
_______ ______ _______ ____ ____ ___ ________ ________ ___.
___ ______ ____ _______ ____ ___ _________ _______ __________ _______ _________ ______.
______ _________ ________ _______ ___ _____.
____ _________ ______ _________ _______.
______ ________ ____ ______ __________ ______ ______ __________ _________.
_________ ______ ______ _______ ___ ___ _______ ______ ________ _______ _____.
___ __________ ________ ____ ____.
_____ _____ ______ ___ _____ ________ ______.
________ ________ _______ ___ ________ ____ ___ _______ _____ ___ ________ __________.
_______ ______ ______ _____ _____ _____ _________.
____ _______ _______ _____ ________ ______ _______ __________.
___ ______ _____ ____ ______ ____ __________ ____ ______ _________ ________ __________.
__________ ____ ____ _____ _______ ___ ___ __________ _____ ___ __________ _____.
____ _________ _____ _________ ____ _______ _____ ___ _____.
______ __________ ___ _______ ____ ________ _____ ___ ____ _________ ________.
___ ___ ________ __________ ________ _________ ________ __________ __________ ______ ______ ____.
_________ _______ ___ _________ ___ _______.
___ __________ ____ ___ ___ ________ ________ ______ _____.
___ _____ ______ _______ __________ _________ _______ ______ ______.
______ ________ _______ ______ ____ _________ ____ __________ _____ _________.
___ ______ ______ _____ ______ ________ ________.
________ ___ __________ _______ _________ _____ _______.
____ ___ _________ ___ ___ ________ ______ __________ ______ _____ _________.
____ ________ ________ _____ _________ _________ __________ _____ __________ ___ _____.
________ ____ ________ __________ ____ ________.
________ __________ _________ _________ _______ _________ ______ ________.
______ ______ ________ ____ ________ _________ ________ ____ _________ __________ ____.
__________ _________ ___ ____ __________ ___ ____ ____ ___ _______ _________ _______.
__________ ____ _______ __________ ____ ________.
_____ _________ _____ ____ ____ ____.
_____ ___ __________ ____ ________ __________.
____ _______ ______ ___ ___.
________ ______ ________ _______ _________ ____ ___ _____.
_______ __________ _________ _____ ___ ________ _________ _________ ____ _________ ____ _______.
_______ ____ _______ _________ __________ ___ _____ ___ ______ _______.
___ _____ _____ _________ ________ ____ ________ ____ ____ __________ ______.
______ ____ ______ __________ ___ _______ _________ ____ _______.
_____ ________ ______ _____ _______ _____ ______ ___ ____.
______ ____ _____ __________ ____ _____ __________ ______ _______ ________ __________.
___ ________ ___ ___ _________.
___ ______ ________ _______ _________.
______ ___ ___ ___ ______.
___ _______ ________ _______ _______ ___ __________ ___ _______ __________ ________ _______.
___ ______ ______ _________ ______.
_________ _____ ______ _________ _____ _________ _____ _______ ___ _____ ____.
__________ ________ ____ _____ ___ _____ _____ ______ ________ ____ ___.
____ _____ ______ _____ _____ _________ ______ _____ ________ ____ _______ __________.
________ ____ __________ _____ ______ ________ ________.
___ __________ _____ ____ _______ _______ _____ ____ _______ ______ ____ ________.
________ ___ _____ ___ ____.
________ _______ _____ _________ _______.
_________ ___ __________ _______ _______ _____ _________.
_______ ___ ______ _______ _______ ____ _______ _______.
__________ ___ _______ _______ _________ ______ _________ ____ ___ _________ _________.
_______ _______ __________ ____ __________ _________.
________ ___ ________ _________ ________.
__________ ___ ____ _____ _________ ____ ________ ___ ____.
_______ _________ _____ _________ _____ ____ ____ ______ ____ _______.
_________ _____ _________ _______ __________ __________ _________ ______ ______.
_______ _____ _________ _____ _________ ________ ______ ____ ____ ___ _____.
__________ ____ _________ _________ ___ _________ ________ ________ ___ ____.
_____ ____ ________ __________ __________ _____ _______.
_________ ___ ________ ___ ___ _______ ___ ________ ________ ________ ____ _______.
_______ _______ _______ __________ ___ ___ _____ ______.
Skip in 10
# Soil Texture Analysis Soil texture refers to the relative proportion of different-sized mineral particles present in a soil. The three main mineral fractions are sand, silt and clay. Sand particles are the largest, silt particles are intermediate in size, and clay particles are the smallest. Soil texture is an important property in environmental chemistry because it influences water retention, drainage, aeration, nutrient availability, adsorption of pollutants, movement of chemicals and the overall quality and fertility of soil. Soil texture analysis is therefore carried out to determine the percentage of sand, silt and clay in a given soil sample. The analysis generally begins with the collection of a representative soil sample. Soil is collected from the required location and depth, avoiding stones, roots, leaves and other foreign materials. The sample is brought to the laboratory and air-dried. After drying, large clods are gently broken and the soil is passed through a sieve, commonly a 2 mm sieve, to remove gravel and coarse organic materials. The prepared sample is then used for particle-size analysis. The basic principle of soil texture analysis is that soil particles of different sizes settle in water at different rates. Larger and heavier particles such as sand settle rapidly, while smaller particles such as silt and clay remain suspended for a longer period. This difference in settling velocity can be used to determine the relative amounts of sand, silt and clay. One common method of soil texture analysis is the sedimentation or hydrometer method. In this method, a known quantity of air-dried soil is taken in a suitable container. A dispersing agent is added to separate the individual soil particles that may be held together in aggregates. Sodium hexametaphosphate is commonly used as a dispersing agent. The soil and dispersing solution are mixed thoroughly with water to form a suspension. The suspension is then transferred to a sedimentation cylinder and made up to a known volume with distilled water. The contents of the cylinder are mixed thoroughly so that the soil particles become uniformly distributed throughout the water. After mixing, the cylinder is
______ ______ ______ _________ ___ ____.__________ ___ ______ _____ _________ _________ ______ ___.
_________ _______ _______ __________ ________ ______ ______ _______ _____ ____ __________.
___ __________ ______ __________ _________ ______ _____ _________ _________ ______.
_______ _______ _________ ___ __________ ___ ___ _________ _____.
___ ____ ________ _______ _________ _____ __________ __________ ___ ______ _____ ____.
_____ ________ _______ ___ ______ _______ __________ __________ ____ ______ ___ _____.
_______ ________ __________ ___ _____ ________ _______ _____ ______.
______ _________ _____ ___ ______ ______.
___ ___ ____ __________ _________.
_________ __________ ____ ___ _______ _____ ____ _____.
_________ _____ _____ _______ ____ _______ ________ ______.
______ __________ _____ ______ ______ ____ _____ ___.
___ _______ ________ ____ _______ _________ _________ ______.
___ ______ ____ ____ _______ ___ ___ _________.
___ _________ ___ ________ _______.
_____ _____ _______ ____ ________ _____.
_________ _______ ________ ______ __________ ___.
_________ _______ ___ _________ ___ __________.
___ _______ ___ _________ ______ _______ _____.
_________ _____ _________ ________ _____ _______ _______.
_______ ________ ___ ____ ______ _________ ______ ___ ____ _____ ____.
__________ ___ _____ _____ _________ ___ ____ ____ _________ _________.
________ _______ _________ ______ ________.
____ _____ _______ __________ _________ ____ _________ _________ ___ ______ ___ ______.
__________ _____ _____ _______ _________ ____.
____ ____ ___ _______ ________ ______ ___ _______ _________ ____.
__________ __________ ____ _______ ______ _______ _____ _____ ______ _________ _____ __________.
_________ _____ _________ __________ ______ _______ _____ ________ ___ ______ ___ __________.
________ _______ ____ _____ _____.
____ ____ _____ ____ ______ _______ ___ _____ __________.
____ ___ _________ _________ _______ _____ _________.
________ ____ _____ __________ __________ ________ _____ ____ ______ _____ ___ __________.
___ ______ _____ ____ ________ _______ _____ ______ ______ __________ ________.
_________ _________ ______ _______ _________ ____.
_______ ______ _______ ____ ____ ___ ________ ________ ___.
___ ______ ____ _______ ____ ___ _________ _______ __________ _______ _________ ______.
______ _________ ________ _______ ___ _____.
____ _________ ______ _________ _______.
______ ________ ____ ______ __________ ______ ______ __________ _________.
_________ ______ ______ _______ ___ ___ _______ ______ ________ _______ _____.
___ __________ ________ ____ ____.
_____ _____ ______ ___ _____ ________ ______.
________ ________ _______ ___ ________ ____ ___ _______ _____ ___ ________ __________.
_______ ______ ______ _____ _____ _____ _________.
____ _______ _______ _____ ________ ______ _______ __________.
___ ______ _____ ____ ______ ____ __________ ____ ______ _________ ________ __________.
__________ ____ ____ _____ _______ ___ ___ __________ _____ ___ __________ _____.
____ _________ _____ _________ ____ _______ _____ ___ _____.
______ __________ ___ _______ ____ ________ _____ ___ ____ _________ ________.
___ ___ ________ __________ ________ _________ ________ __________ __________ ______ ______ ____.
_________ _______ ___ _________ ___ _______.
___ __________ ____ ___ ___ ________ ________ ______ _____.
___ _____ ______ _______ __________ _________ _______ ______ ______.
______ ________ _______ ______ ____ _________ ____ __________ _____ _________.
___ ______ ______ _____ ______ ________ ________.
________ ___ __________ _______ _________ _____ _______.
____ ___ _________ ___ ___ ________ ______ __________ ______ _____ _________.
____ ________ ________ _____ _________ _________ __________ _____ __________ ___ _____.
________ ____ ________ __________ ____ ________.
________ __________ _________ _________ _______ _________ ______ ________.
______ ______ ________ ____ ________ _________ ________ ____ _________ __________ ____.
__________ _________ ___ ____ __________ ___ ____ ____ ___ _______ _________ _______.
__________ ____ _______ __________ ____ ________.
_____ _________ _____ ____ ____ ____.
_____ ___ __________ ____ ________ __________.
____ _______ ______ ___ ___.
________ ______ ________ _______ _________ ____ ___ _____.
_______ __________ _________ _____ ___ ________ _________ _________ ____ _________ ____ _______.
_______ ____ _______ _________ __________ ___ _____ ___ ______ _______.
___ _____ _____ _________ ________ ____ ________ ____ ____ __________ ______.
______ ____ ______ __________ ___ _______ _________ ____ _______.
_____ ________ ______ _____ _______ _____ ______ ___ ____.
______ ____ _____ __________ ____ _____ __________ ______ _______ ________ __________.
___ ________ ___ ___ _________.
___ ______ ________ _______ _________.
______ ___ ___ ___ ______.
___ _______ ________ _______ _______ ___ __________ ___ _______ __________ ________ _______.
___ ______ ______ _________ ______.
_________ _____ ______ _________ _____ _________ _____ _______ ___ _____ ____.
__________ ________ ____ _____ ___ _____ _____ ______ ________ ____ ___.
____ _____ ______ _____ _____ _________ ______ _____ ________ ____ _______ __________.
________ ____ __________ _____ ______ ________ ________.
___ __________ _____ ____ _______ _______ _____ ____ _______ ______ ____ ________.
________ ___ _____ ___ ____.
________ _______ _____ _________ _______.
_________ ___ __________ _______ _______ _____ _________.
_______ ___ ______ _______ _______ ____ _______ _______.
__________ ___ _______ _______ _________ ______ _________ ____ ___ _________ _________.
_______ _______ __________ ____ __________ _________.
________ ___ ________ _________ ________.
__________ ___ ____ _____ _________ ____ ________ ___ ____.
_______ _________ _____ _________ _____ ____ ____ ______ ____ _______.
_________ _____ _________ _______ __________ __________ _________ ______ ______.
_______ _____ _________ _____ _________ ________ ______ ____ ____ ___ _____.
__________ ____ _________ _________ ___ _________ ________ ________ ___ ____.
_____ ____ ________ __________ __________ _____ _______.
_________ ___ ________ ___ ___ _______ ___ ________ ________ ________ ____ _______.
_______ _______ _______ __________ ___ ___ _____ ______.
IGNOU ACADEMY
Your IGNOU journey, made easier.
- Solved Assignments
- Study Notes
- Guess Papers
- Question Papers
Continue Reading — It's Free
Sign in with Google to unlock more of this answer.
✓ Free access
✓ Unlock up to 60% of the answer
✓ No payment required
✓ Unlock up to 60% of the answer
✓ No payment required
Quick Google sign-in. No separate registration form.