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2 滩涂水产养殖复垦区种植水稻对氮、磷、钾含量的影响

Table 2 Effects of rice planting on N, P and K contents in tidal flat aquaculture reclamation area

土层 Soil layer 处理 Treatment 总氮 Total N(g/kg) 铵态氮 Ammonium N(mg/kg) 硝态氮 Nitrate N(mg/kg) 速效钾 Available K(mg/kg) 有效磷 Available P(mg/kg) 0~20cm 0Y 0.62±0.03b 19.57±3.47a 2.95±0.19a 661.13±41.06a 11.37±2.76b 1Y 0.65±0.03ab 15.70±3.01b 2.62±0.25ab 491.25±39.82b 10.90±1.77b 2Y 0.65±0.04ab 14.32±1.15b 2.38±0.36b 363.24±24.36c 11.75±2.17b 3Y 0.70±0.04a 14.86±1.83b 2.58±0.11b 383.42±25.66c 20.43±2.79a 20~40cm 0Y 0.58±0.04a 28.50±1.06a 2.73±0.10a 598.85±34.65a 6.45±1.18b 1Y 0.57±0.05a 17.36±3.17b 2.47±0.13ab 600.37±62.49a 7.77±1.00b 2Y 0.59±0.03a 15.85±0.85b 2.42±0.10ab 510.88±42.89b 7.78±1.26b 3Y 0.55±0.06a 16.10±2.32b 2.59±0.19b 504.67±52.76b 14.57±3.11a