Agriculture Reference
In-Depth Information
Fig. 41
Relationship between percentage fi lled grain and leaf nitrogen
concentration.
Table 27
Effect of phosphate application on rice under low temperature.
Phosphate
Grain
Filled grain
Milled rice
(Kgha
-1
)
(No.in 10
3
m
-2
)
ratio (%)
yield (tha
-1
)
**
100
27.5
87.0
3.89
150
28.6
89.0
4.16
200
31.1
90.4
4.49
Source: Chungbuk RDA (1980)
Temperature regimes greatly influence not only the
growth duration but the growth pattern of the rice plants.
Rice varieties from Japan which has low temperatures during
the cropping season when grown in Indonesia which has
moderate to high temperatures during the cropping season, for
example, generally mature early whereas Indonesian varieties
when grown in Japan generally extend growth duration. In
temperate countries, generally, low temperature regimes limit
