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• THE RELATIONSHIP BETWEEN THE NUMBER OF PRIMARY ROOTS AND YIELD COMPONENTS IN RICE PLANT GROWN ON FARMERS PADDY FIELDS .1. ANALYSES PER HILL AND PER PLANT 1984
• THE RELATIONSHIP BETWEEN THE NUMBER OF PRIMARY ROOTS AND YIELD COMPONENTS IN RICE PLANT GROWN ON FARMERS PADDY FIELDS .2. ANALYSES PER CULM AND PER SHOOT UNIT 1984