2000•Jiangsu Agricutural ResearchRequires access
PRELIMINARY STUDY ON YIELD POTENTIAL AND HIGH YIELDING CULTIVATION OF BRIZAL UPLAND RICE (CV.IAPAR9)
Jun Zhang
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Abstract
Comprehensive and special experiments on IAPAR9, a Brizal upland rice variety, were carried out in hill region of Yangzhou during 1998~1999. The results showed that IAPAR9 had good adaptabilityandproductivity. It could be rainfed except irrigating necessarily at sowing, and yield 6 750~7 500 kg/hm 2 grain. The key practices for high yield under wheat rice system should be sowing timely, promoting large spanicle by thin seedling, controlling weeds and rice borers.