Vergara - 1976 - Physiological and morphological adaptability of ri

524 CLIXL-XTE AND RICE
Gran yield lt/hul
6 inissi-zza-s 12551-228»:
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Nitrogen (ipptied tkg/hul
ll. Nitrogen response of three rice varieties as a1‘-
feeted by insect control with inseeticides. IRRI. 19?}.
These data clear]; demonstrate that in any season. it is important to grow rice
varieties with a high level of resistance to inseets and to supplement insect
control with insecticide applications to get maximum nitrogen response at any
level of nitrogen.
'l'here is plenty (iferidence that SUlttY radiation during the riee-grtnving season
in Asian temperate regions is similar to solar radiation in the humid monsoon
areas in Asia (De Datta. 1973)
ln the riee-groiving tireas in the Mediterranean countries. the United States.
and SUllIllCfll Australia. average solar energy for the rice-growing season is zihout
ltltl eal greater than that in either Asian temperate or monsoon tropical countries.
Solar energy during the ripening period tifriee in southern Australia is orcr
ltJU cal more than in Asian temperate or 11101150011 tropical conditions (Fukui.