NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT GROWTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
THE PROPORTION OF DIFFERENT SIZES OF MINERAL PARTICLES REFERS TO THIS.
A
SOIL COLOR
B
SOIL TEXTURE
C
SOIL PROFILE
D
PORE SPACE
Explanation: 

Detailed explanation-1: -Soil texture (such as loam, sandy loam or clay) refers to the proportion of sand, silt and clay sized particles that make up the mineral fraction of the soil. For example, light soil refers to a soil high in sand relative to clay, while heavy soils are made up largely of clay.

Detailed explanation-2: -6.0 Definition of soil texture Texture indicates the relative content of particles of various sizes, such as sand, silt and clay in the soil. Texture influences the ease with which soil can be worked, the amount of water and air it holds, and the rate at which water can enter and move through soil.

Detailed explanation-3: -Soil texture is the relative percentages of sand, silt, and clay particles that make up the mineral (inorganic) fraction of soil (Fig. 3). Sand particles are the largest and range from 2.0 to 0.05 mm in diameter.

Detailed explanation-4: -The particles that make up soil are categorized into three groups by size – sand, silt, and clay. Sand particles are the largest and clay particles the smallest. Most soils are a combination of the three. The relative percentages of sand, silt, and clay are what give soil its texture.

Detailed explanation-5: -The distribution and particle sizes have an effect on the soil’s capacity for holding nutrients and water. Soils with finer textures will exhibit a higher water retention capacity, but this will decrease as particle size increases with a coarser soil texture [3].

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