滩涂水产养殖池复垦种稻短期内土壤特性变化及水稻产量表现

张蛟, 陈澎军, 陈艳, 韩继军, 崔士友

Short-Term Changes of Soil Characteristics and Rice Yield of Reclaimed Rice in Tidal Flat Aquaculture Ponds

Zhang Jiao, Chen Pengjun, Chen Yan, Han Jijun, Cui Shiyou

表3 滩涂水产养殖复垦区不同种植年限水稻产量及其构成因素

Table 3 Comparison of rice yield and its components in different planting years of tidal flat aquaculture reclamation area

指标 Index 种植年限Planting year 1Y 2Y 3Y 穗数 Number of panicles (×105/hm2) 31.0±0.6a 31.3±1.7a 32.3±1.5a 穗粒数 Grains number per panicle 103.0±5.3c 122.8±5.4b 136.1±7.7a 结实率 Seed setting rate(%) 84.9±1.6a 82.3±1.9a 83.6±2.0a 千粒重 1000-grain weight(g) 21.3±0.6b 22.0±0.8ab 23.1±0.7a 实际产量 Actual yield (kg/hm2) 5224.2±231.1c 6599.5±299.4b 7464.7±196.0a 理论产量 Theoretical yield (kg/hm2) 5800.6±275.6c 6907.3±335.6b 8481.2±717.8a