). Considerable research
has been focused on management and alternate use of fly ash in
manufacture of cement, bricks, land filling, fertilizer fill, etc. Rice is
an important crop of Indian agriculture grown on a variety of soil
in different ecosystems. Due to ever increasing demand for food
and shrinking of cultivable land resources, there is a need to
produce more and more food per unit area which has made
agriculture heavily dependent on chemical fertilizers. The indis-
criminate use of chemical fertilizers affects soil health and, leads to
a negative impact on soil productivity by eliminating diverse types
of beneficial micro-organisms
). Considerable research has been focused on management and alternate use of fly ash in manufacture of cement, bricks, land filling, fertilizer fill, etc. Rice is an important crop of Indian agriculture grown on a variety of soil in different ecosystems. Due to ever increasing demand for food and shrinking of cultivable land resources, there is a need to produce more and more food per unit area which has made agriculture heavily dependent on chemical fertilizers. The indis-criminate use of chemical fertilizers affects soil health and, leads to a negative impact on soil productivity by eliminating diverse types of beneficial micro-organisms
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