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Comparative Chart of Grain and Rice output in Last five Years
Unit,10 thousand tons (Source,China Statistics Yearbook 2000)
Year
Total
Grain
Output
Total Rice
Output
Rice % of
total
grain
1995 46,662 18,522 39.70
1996 50,545 19,510 38.67
1997 49,417 20,074 40.62
1998 51,230 19,871 38.79
1999 50,839 19,848 39.05
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Fig,Leaf,node,and bud.
Leaves are borne alternately on the culm in opposite directions,
One leaf is produced at each node,Varieties differ in the number of
leaves produced.
Fig,- Leaves alternate on the culm in opposite directions.
Parts of the rice tiller.
Fig,Primary tillers.
Fig,Secondary tillers.
Fig,- Tertiary tillers.
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Fig Culm,nodes,and internodes.
The young panicle increases in size and its upward extension
inside the flag leaf sheath causes the leaf sheath t bulge,This
bulging of the flag leaf sheath is called booting,
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SRR dryer(1-2 t)
Sun drying
Yields can be
increased by
5-20% using
clean healthy seed
Increasing yields through
healthy seeds
Photo - courtesy UC Davis
Increasing yields through clean seeds
Produce,clean and store seed to be:
Pure
Full and uniform in size
Free of weeds,insects,disease and other matter
Viable
Very good Good Poor
Contaminants
Insects
Weeds
Pathogens
he8
Sclerotia
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Soil
Other plant matter
Seed conditions
Smuts
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Healthy seed is free of contaminants(áêt ) & other conditions
Winnowing
GC7 cleaner
(up to 1 t/hr)
IRRI RSC
Increasing yields through clean seeds
Post Production,Grading
Objective,To select fully developed healthy seeds,
which are heavier and larger in size than
the ones of under-developed seeds.
Thickness Grading Gravity Grading
Width Separation
Length Grading
Small scale sample
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