Soil resources

from where does all living creature derive theri energy

forest,grassland and crops

forces of nature that affect soil

changing temp,running water and wind affect the soil + physical and chemical

how is soil derived

from parent rock material through tear and wear or breackdown process

what add fertility and how is it formed

humus ,decompsed animal and vegetal remains

apart from humus what cinstitues soil

silca ,clayand sand

essential nutrienst

potassium ,nitogen ad sodum

what are the fine particles deposited called

alluvium

what is alluvial soil also called

riverine soil

what is alluvial soil a mixture of

sand ,clay ,silt called loam

where are alluvial Soil found

in the whole of nothern plains ,predominately in costal plains and deltas of Mahanadi Godavari Krishna and Kaveri

what is bangar compose of

lime nodules or kanker and has clayey composition

khadar is composed of

new deposits

where are the 3 types of alluvial soil found

pg 97

the shades of alluvial soy depends on

depth

texture of matreial

time taken for maturity