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农学学报

农学学报 ›› 2017, Vol. 7 ›› Issue (10): 25-29.doi: 10.11923/j.issn.2095-4050.cjas17050022

所属专题： 玉米

• 土壤肥料 资源环境 生态 • 上一篇    下一篇

海藻酸复混肥对夏玉米产量及养分吸收利用的影响

王海标,张 博,陶静静,常凤,杜梦鸽,王宜伦   

  1. 河南农业大学资源与环境学院/河南粮食作物协同创新中心,河南农业大学资源与环境学院,河南农业大学资源与环境学院,河南农业大学资源与环境学院,河南农业大学资源与环境学院,河南农业大学资源与环境学院
  • 收稿日期:2017-05-16 修回日期:2017-06-15 接受日期:2017-06-23 出版日期:2017-10-23 发布日期:2017-10-23
  • 通讯作者: 王宜伦 E-mail:1124854410@qq.com
  • 基金资助:
    公益性行业（农业）科研专项“黄淮流域小麦玉米水稻田间节水节肥节药综合技术方案”(201503130)。

Alginic Acid Compound Fertilizer: Effects on Yield and Nutrient Absorption and Utilization of Summer Maize

  • Received:2017-05-16 Revised:2017-06-15 Accepted:2017-06-23 Online:2017-10-23 Published:2017-10-23

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摘要： 为明确夏玉米施用海藻酸复混肥的增产效果，通过田间试验，以浚单29为材料，利用数理统计、对比分析方法，研究了海藻酸包膜BB肥、常规BB肥、海藻酸包膜复合肥、常规复合肥4种肥料对鹤壁和许昌两地夏玉米产量、地上部生物量、养分积累量、SPAD值等的影响。结果表明，鹤壁和许昌夏玉米施肥分别显著增产8.80%~15.41%和21.21%~35.85%，海藻酸包膜BB肥较等养分常规BB肥分别增产5.70%和5.22%；海藻酸包膜复合肥较常规复合肥产量显著增加5.98%和13.37%，施海藻酸复混肥提高了夏玉米叶绿素含量，促使氮磷钾养分积累量分别增加3.76%~17.03%、6.29%~27.14%和3.70%~9.33%，协同提高了千粒重与穗粒数，且减量施肥20%产量差异不显著。综合考虑产量、肥料投入与环境压力，豫北和豫中地区夏玉米推荐施用海藻酸复合肥600 kg/hm2。

关键词: 无人机, 无人机, 高光谱, 玉米, 生物量, BP神经网络

Abstract: The study aims to confirm the yield-increasing effect of alginic acid compound fertilizer of summer maize. Taking‘Xundan 29’as the material, we conducted a field experiment by using mathematical statistics and comparison analysis method, to study the effect of alginic acid coated blend bulk fertilizer, average nutrients common blend bulk fertilizer, alginic acid coated compound fertilizer and average nutrients common compound fertilizer on yield, aboveground biomass, nutrient accumulation, SPAD of summer maize in Hebi and Xuchang. The results showed that the yield of summer maize increased significantly by 8.80%-15.41% and 21.21%-35.85% with the application of fertilizer in Hebi and Xuchang, respectively. Compared with average nutrients common blend bulk fertilizer, the alginic acid coated blend bulk fertilizer increased yield by 5.70% and 5.22%, respectively. Compared with average nutrients common compound fertilizer application, the yield under the application of alginic acid coated compound fertilizer increased significantly by 5.98% and 13.37%, respectively. Applying alginic acid compound fertilizer could improve chlorophyll content, 1000-grain weight, grain number of summer maize and promote nitrogen, phosphorus and potassium nutrient accumulation. The accumulation of nitrogen, phosphorus and potassium increased by 3.76%- 17.03% , 6.29%- 27.14% and 3.70%-9.33% respectively. When fertilizer application was reduced by 20%, the difference on yield was not significant. Considering the summer maize yield, fertilizer inputs and environmental pressure, the application of alginic acid compound fertilization 600 kg/hm2 is recommended in north and central Henan.