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中国农学通报 ›› 2017, Vol. 33 ›› Issue (30): 22-26.doi: 10.11924/j.issn.1000-6850.casb16120032

• 农学 农业基础科学 • 上一篇    下一篇

种田大户主要粮食作物施肥现状

李文西   

  1. 扬州市耕地质量保护站
  • 收稿日期:2016-12-06 修回日期:2017-02-06 接受日期:2017-02-16 出版日期:2017-10-31 发布日期:2017-10-31
  • 通讯作者: 李文西
  • 基金资助:
    国家重点研发计划“化肥减施增效技术信息化服务系统建设研究”(2016YFD0201303);农业部耕地质量保护项目“耕地资源管理信息系统 技术服务”(农财发[2016]35);江苏省重点研发计划(现代农业)重点项目子课题“稻麦周年优质高产高效机械化信息化技术集成创新与示范” (BE2016344)。

Fertilization of Main Food Crops: An Investigation on Farmers with Large Production in Yangzhou

  • Received:2016-12-06 Revised:2017-02-06 Accepted:2017-02-16 Online:2017-10-31 Published:2017-10-31

摘要: 为进一步掌握扬州种田大户的施肥情况及存在问题,推动配方肥合理施用,在全市范围内开展种田大户粮食作物施肥情况调查。结果显示:目前,全市共种田大户约4440户,主要以稻麦种植为主,平均产量分别为9579 kg/ hm2、6034 kg/ hm2,且基肥主要以15-15-15通用复合肥为主,稻麦基肥用量平均为365 kg/ hm2、610 kg/ hm2。肥料销售以赊销、现金为主,其中送货服务是主要营销方式。在实际农业生产中,种田大户急需科学施肥技术,降低生产成本。

关键词: 遥感分类, 遥感分类, 面向对象分类, 多尺度分割

Abstract: To understand the fertilization conducted by farmers with large production in Yangzhou, and promote reasonable application of formula fertilizer, an investigation on fertilization of main food crops was carried out. The results showed that there were 4440 farmers with large production in Yangzhou, the average yield of rice and wheat was 9579 kg/hm2 and 6034 kg/hm2, respectively, the base fertilizer was mainly 15-15- 15 compound fertilizers, and the application amount of base fertilizer on rice and wheat was 365 kg/hm2 and 610 kg/hm2, respectively. Fertilizers were traded mainly by credit and cash, and the delivery service was the main marketing mode. In agriculture production, the farmers with large production need scientific fertilization technology in order to reduce the cost.

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