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Theyieldpotentialofcurrentricevarietieshasreachedahighplateauandfluc tuatedwithinanarrowrange.Basedonthetheoryandpracticeofriceb
Theyieldpotentialofcurrentricevarietieshasreachedahighplateauandfluc tuatedwithinanarrowrange. Basedonthetheoryandpracticeofriceb