...变量施肥；农安县 [gap=1015]key words： c4.5 decision tree algorithm； management zone division； variable rate fertilization； nong’an country ...
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稻田变量施肥作业图的形成与施肥模型应用 关键词 水稻田 变量施肥 等值线图 数学模型 [gap=1132]Key words Paddy field，Variable rate fertilizing，Contour map，Mathematic model
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Fertilizer prescription integrated soil nutrient distribution maps with variable -rate fertilization decision making model is built .
根据土壤养分分布图结合变量施肥决策模型,生成施肥处方图,为变量施肥的实施提供了依据。
参考来源 - 精确农业蔬菜变量施肥决策系统研究The following thesis depicts the application of SD card on variable rate fertilizer applicator based on MCU. The software and hardware design and the document system in SD card are illustrated.
本文研究了利用SD卡对变量施肥机在施肥过程中的数据存储的问题,提出了软硬件设计方案,并对SD卡中的文件系统进行了介绍。
参考来源 - 基于单片机系统的SD卡在变量施肥机中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
重点阐述了手控变量施肥机的工作原理及关键部件设计。
The working principle and key components of the VFAH are set forth.
介绍了一种的实现精准农业变量施肥作业的施肥控制系统。
A kind of control system of variable rate fertilizer applicator in precision agriculture is introduced.
基于组件式GIS技术开发了精准农业变量施肥处方推荐系统。
Based on the technology of ComGIS, the recommend system for variable-rate fertilization in precision agriculture was developed.
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