9. Is
one of the important
factors that increase the
productivity of the soil.
Two or even three sets of
palay can be harvested in
a year’s time.
10. Development of water power
Irrigation
Water supply
Flood control
11. Good variety of seeds that
are resistant to diseases and
climate are necessary for
good harvest.
High yielding varieties and
fast maturing seeds will
increase the production.
12. An inbred rice variety is a pure
line. This means that the
offspring or succeeding
generations produced by this
variety will have the same
genetic makeup.
13. Ahybrid is the product of a
cross between two genetically
distinct rice parents.
14.
15. The use of DDT was found to be
successful in the beginning, but after
so many years the promise of
insects-free plants was broken. Pest
insects have survived despite the use
of pesticides and back again in a
healthy environment.
16. Generally , pesticides do more
good than harm just need a great
care should be taken using it.
