冬小麦一次性施肥氮肥产品筛选与产量效应

吴小宾, 谭德水, 林海涛, 朱国梁, 李子双, 和爱玲, 郭建华, 刘兆辉

Yield Effect and Nitrogen Fertilizer Screening of One-off Application of Controlled Release Fertilizer for Winter Wheat

XiaoBin WU, DeShui TAN, HaiTao LIN, GuoLiang ZHU, ZiShuang LI, AiLing HE, JianHua GUO, ZhaoHui LIU

表6 不同控释氮肥处理对群体发育的影响

Table 6 Population development as affected by different N treatments

处理 Treatment 泰安 TA 德州 DZ 2013-2014 2014-2015 2015-2016 2013-2014 2014-2015 2015-2016 冬前分蘖Early winter tillers (×104 tillers/667m2) 对照 CON 47.6bc 74.0c 75.4c 50.3b 46.9b 47.9b 优化施肥 OPT 43.6c 82.1b 78.4c 71.9a 66.9a 67.4a 控释氮肥A1 (A1) 44.8c 81.5b 78.1c 71.9a 66.9a 68.1a 控释氮肥A2 (A2) 56.9a 87.8a 89.2a 74.1a 68.9a 69.6a 控释氮肥B (B) 44.2c 82.4ab 80.5bc 69.0a 64.3a 64.8a 控释氮肥C (C) 49.2abc 85.0ab 81.5bc 65.4a 60.9a 64.4a 控释氮肥D (D) 51.0abc 86.2ab 87.7ab 68.3a 63.6a 66.7a 控释氮肥E (E) 55.8bc 88.1a 80.9bc 67.6a 62.9a 66.4a 最大分蘖Maximum tillers (×104 tillers/667m2) 对照 CON 91.4d 115c 103d 58.5d 54.5d 62.7e 优化施肥 OPT 118c 119c 105cd 83.9abc 78.1abc 85.7ab 控释氮肥A1 (A1) 142ab 142b 110bc 96.8a 90.1a 91.8a 控释氮肥A2 (A2) 119c 148ab 114abc 91.5ab 85.2ab 90.9a 控释氮肥B (B) 124c 156a 113abc 82.1bc 76.4bc 81.2bc 控释氮肥C (C) 135b 143b 116ab 73.7c 68.6c 69.6de 控释氮肥D (D) 145a 156a 120ab 81.2bc 75.6bc 75.7cd 控释氮肥E (E) 140ab 156a 122a 76.1c 70.9c 72.7cd 有效分蘖Effective tillers (×104 tillers/667m2) 对照 CON 43.5d 39.8c 44.0b 21.2d 11.5b 12.8b 优化施肥 OPT 45.9cd 44.7ab 49.9a 24.0bc 21.2a 21.8a 控释氮肥A1 (A1) 47.2bc 42.9bc 49.4a 24.7b 21.8a 21.9a 控释氮肥A2 (A2) 50.3a 46.1ab 50.3a 25.8a 20.6a 21.8a 控释氮肥B (B) 48.7abc 45.9ab 50.9a 24.7b 21.8a 21.1a 控释氮肥C (C) 50.4a 47.1a 51.3a 24.4b 21.6a 20.4a 控释氮肥D (D) 49.8ab 44.0ab 51.1a 23.2c 20.5a 22.3a 控释氮肥E (E) 50.0ab 45.4ab 51.8a 23.8bc 21.0a 21.3a