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为确定寡分蘖力水稻品种栽培模式,以绥粳4号为试材,研究密度与施肥量对其产量和品质的影响。结果表明:绥粳4号在产量最高(9 122.5kg·hm-2)时求得最佳密度为33.9万穴·hm-2,氮、磷、钾分别为141.2、60.0和58.4kg·hm-2;绥粳4号在食味品质最高(86.5分)时求得最佳密度为39.0万穴·hm-2,氮、磷、钾分别为116.6、80.5和74.4kg·hm-2。
In order to determine the cultivation mode of rice varieties with low tillering ability, the effects of density and fertilization on the yield and quality of Suijing 4 were studied. The results showed that SuiJing 4 had the best density of 339,000 hm-2 at the highest yield (9 122.5kg · hm-2), the N, P and K were 141.2, 60.0 and 58.4 kg · hm- 2; Suijing 4 had the highest density (86.5) at the highest eating quality of 390,000 hm-2, and the N, P and K were 116.6, 80.5 and 74.4 kg · hm-2, respectively.