缓释氮肥一次性施肥对单季稻氮素吸收和产量的影响

王强, 姜丽娜, 潘建清, 李建强, 马军伟, 叶静, 邹平

Yield and Nitrogen Adsorption of Single-Cropping Rice as Influenced by One-off Fertilization of Slow-Released Nitrogen Fertilizer

Qiang WANG, LiNa JIANG, JianQing PAN, JianQiang LI, JunWei MA, Jing YE, Ping ZOU

表1 试验点土壤特性

Table 1 Soil properties of experiment sites

年份 Year 试验地点 Sits 土壤类型 Soil type 土壤质地 Soil texture pH 有机质 Organic Matter (g?kg-1) 全氮 Total-N (g?kg-1) 碱解氮 Alkali-N (mg?kg-1) 有效磷 Olsen-P (mg?kg-1) 速效钾 Avail-K (mg?kg-1) 2013 林城 LC 潜育型水稻土 Gleyed paddy soil 粉砂质黏土 Silty clay 5.20 38.36 2.49 217.1 9.9 55.0 2013 太湖新城 THXC 淹育型水稻土 Submerged paddy soil 砂质壤土 Sandy loam 5.79 37.05 2.36 212.6 105.2 162.0 2014 林城 LC 潜育型水稻土 Gleyed paddy soil 粉砂质黏土 Silty clay 5.64 35.25 2.11 239.7 20.3 69.0 2014 太湖新城 THXC 淹育型水稻土 Submerged paddy soil 砂质壤土 Sandy loam 5.83 39.80 2.52 203.5 58.4 207.0 2014 金华 JH 潴育型水稻土 Waterlogged paddy soil 粉砂质黏壤土 Silty clay loam 4.89 28.88 1.93 161.3 51.6 101.0 2015 林城 LC 潜育型水稻土 Gleyed paddy soil 粉砂质黏土 Silty clay 5.26 32.70 2.01 232.76 12.5 54.8 2015 太湖新城 THXC 淹育型水稻土 Submerged paddy soil 砂质壤土 Sand loam 5.33 38.00 2.49 203.46 48.9 149.7 2015 金华 JH 潴育型水稻土 Waterlogged paddy soil 粉砂质黏壤土 Silty clay loam 5.10 22.50 1.82 191.07 38.7 40.9 2016 林城 LC 潜育型水稻土 Gleyed paddy soil 粉砂质黏土 Silty clay 5.99 29.03 1.91 188.72 7.20 49.83 2016 太湖新城 THXC 淹育型水稻土 Submerged paddy soil 砂质壤土 Sandy loam 5.69 38.11 2.31 255.86 27.31 166.29 2016 金华 JH 潴育型水稻土 Waterlogged paddy soil 粉砂质黏壤土 Silty clay loam 4.88 27.04 1.84 147.23 20.01 62.79