有机肥替代化肥对旱地小麦产量和养分利用效率的影响及其经济环境效应

张奇茹,谢英荷,李廷亮,刘凯,姜丽伟,曹静,邵靖琳

Effects of Organic Fertilizers Replacing Chemical Fertilizers on Yield, Nutrient Use Efficiency, Economic and Environmental Benefits of Dryland Wheat

ZHANG QiRu,XIE YingHe,LI TingLiang,LIU Kai,JIANG LiWei,CAO Jing,SHAO JingLin

表3 2013—2018年各处理小麦籽粒氮、磷、钾含量

Table 3 The content of nitrogen, phosphorus and potassium in wheat grains from 2013 to 2018 (g·kg-1)

含量 Content 处理 Treatment 年份Year 平均值 Mean 2013—2014 2014—2015 2015—2016 2016—2017 2017—2018 氮 Nitrogen FP 19.1c 21.4b 17.8a 15.2b 20.4b 18.8b OF 20.3b 21.1b 18.5a 16.8b 17.2c 18.8b OFM 20.9b 22.7a 19.9a 18.8a 21.0a 20.6a OFB 23.6a 22.5a 18.8a 19.7a 21.5a 21.2a 磷 Phosphorus FP 4.4a 4.5a 6.0c 5.4d 5.2bc 5.1b OF 4.6a 4.4a 6.1bc 5.8c 5.2c 5.2b OFM 5.1a 4.6a 7.0ab 7.4b 5.7b 5.9a OFB 4.9a 4.9a 6.9a 7.7a 6.4a 6.1a 钾 Potassium FP 3.7c 3.2a 3.7c 4.2b 5.8a 4.1b OF 4.8a 3.2a 4.6a 3.9b 5.3b 4.4ab OFM 4.2b 3.4a 4.6b 5.0a 6.1a 4.6a OFB 5.1a 3.6a 4.7a 4.8a 6.1a 4.9a