缓释肥对水稻生长特性、产量及干物质积累的影响

张宝龙, 何军, 张艺, 汤驰, 张宏涛, 廖薇, 李飞

Effects of Slow-Release Fertilizers on Rice Growth Characteristics, Yield and Dry Matter Accumulation

Zhang Baolong, He Jun, Zhang Yi, Tang Chi, Zhang Hongtao, Liao Wei, Li Fei

表3 不同处理下水稻各生育期干物质净积累量及群体生长率

Table 3 Net dry matter accumulation and crop growth rate in rice at different growth stages under different treatments

处理 Treatment 返青期―分蘖期 Regreening to tillering 分蘖期 Tillering 分蘖期―拔节孕穗期 Tillering to jointing- booting 拔节孕穗期―抽穗开花期 Jointing-booting to heading-flowering 抽穗开花期―乳熟期 Heading-flowering to milk ripening 乳熟期―黄熟期 Milk ripening to yellow ripening NDMA (g/m2) CGR [g/(m2·d)] NDMA (g/m2) CGR [g/(m2·d)] NDMA (g/m2) CGR [g/(m2·d)] NDMA (g/m2) CGR [g/(m2·d)] NDMA (g/m2) CGR [g/(m2·d)] NDMA (g/m2) CGR [g/(m2·d)] S1N1 1282.4a 75.4a 1856.4ab 97.7ab 1545.9c 128.8c 3952.3a 329.4a 2926.8ab 266.1a -455.8b -24.0b S1N2 1485.6a 87.4a 2102.0a 110.6a 3032.3b 252.7b 3009.1a 250.8a 4308.0a 391.6a -793.5b -41.8b S2N1 627.6b 36.9b 672.7c 35.4c 4484.2a 373.7a 3225.0a 268.8a 1333.3c 121.2b 5581.1a 293.7a S2N2 562.8b 33.1b 858.2bc 45.2bc 5309.6a 442.5a 3019.5a 251.6a 1751.8bc 159.3b 7412.1a 390.1a