YU Hong-jiu,LIU Jie,CHAI Yong-shan,et al.Effects of Optimized Fertilization on Spring Maize Yield and Nutrients Utilization Rate in Semi-humid Regions of Heilongjiang[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(10):34-37.[doi:10.11942/j.issn1002-2767.2020.10.0034]
优化施肥对黑龙江半湿润区春玉米产量及肥料利用效率的影响
- Title:
- Effects of Optimized Fertilization on Spring Maize Yield and Nutrients Utilization Rate in Semi-humid Regions of Heilongjiang
- Keywords:
- semi-humid regions of Heilongjiang; spring maize; optimized fertilization; yield; nutrients utilization rate
- 文献标志码:
- A
- 摘要:
- 为指导玉米生产科学施肥,根据黑龙江半湿润区的土壤供肥特性、春玉米养分需求规律,在双城区、巴彦县、望奎县进行玉米施肥试验,提出施肥建议。结果表明:优化施肥处理的玉米产量平均值为8 945.0 kg?hm-2,较农民习惯施肥提高8.4%;优化施肥处理的氮、磷、钾肥利用率平均值分别为36.7%、20.8%和418%,较农民习惯施肥处理分别提高12.8%、1.8%和2.9%;优化施肥处理的氮、磷、钾农学效率平均值分别为18.2,20.3和21.3 kg?kg-1。
- Abstract:
- In order to guide the scientific fertilization of maize production,according to the characteristics of soil fertilizer supply and the law of nutrient demand of spring maize in semi humid area of Heilongjiang,fertilization experiments were carried out in Shuangcheng District,Bayan County and Wangkui County,and fertilization suggestions were put forward.The results showed that the average yield of maize under optimal fertilization treatment was 8 945.0 kg?hm-2.The maize yield of optimal fertilization treatment increased by 8.4%,compared with farmer accustomed fertilization.The average utilization rates of nitrogen,phosphorus and potassium under optimal fertilization treatment were 36.7%,20.8% and 41.8%.The average utilization rates of nitrogen,phosphorus and potassium increased by 12.8%,1.8% and 2.9%,compared with farmer accustomed fertilization.The average efficiency of agriculture under optimal fertilization treatment were 18.2,20.3 and 21.3 kg?kg-1.
参考文献/References:
[1]吴建忠.黑龙江省玉米施肥存在问题及建议[J].黑龙江农业科学,2018(11):143-145.
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备注/Memo
收稿日期:2020-08-07