Abstract
A paddy rice variety Kinumusume, is a recommended variety in Hyogo prefecture, as it is high quality and has a high palatability. We investigated methods of fertilizer application using split dressing and planting density, and slow release fertilizer for Kinumusume with high palatability, high quality and high yield. Planting density of 15.2 and 21.2 hills per m2 produced no difference in yield component, grain yield, protein concentration in rice (less than 7%) or palatability in a sensory test. Topdressing at ear formation stage increased ear length, number of grain per ear, 1,000 grain weight and yield. Topdressing tended to increase protein concentration in rice and decrease palatability, in particular application of 4kgN/10a. Slow release fertilizer produced no difference in growth, yield component or grain yield. Slow release fertilizer with topdressing increased yield but decreased palatability. We estimated that it was possible to cultivate Kinumusume with high palatability, high quality and high yield by basal dressing 4kgN/10a and topdressing at ear formation stage of 2kgN/10a. And we estimated that it was likely to cultivate Kinumusume with quality and high yield by basal dressing from 5kgN/10a to 7kgN/10a using slow release fertilizer.
