Farmers use the gsi for precision agriculture.

农民使用全球卫星导航系统进行精准农业。

Farmers use the gns for precision agriculture.

农民使用全球导航卫星系统进行精准农业。

Farmers use gnss technology for precision agriculture.

农民使用GNSS（Global Navigation Satellite System全球卫星导航系统）技术进行精准农业。

A kind of control system of variable rate fertilizer applicator in precision agriculture is introduced.

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.

Accurate and real-time access to environmental information for crop growth is the basic premise to implement and promote the precision agriculture.

准确和实时的获取农作物生长的环境信息是实施和推进精准农业的基本前提。

Precision agriculture is the modem agricultural management method developed with the development of computer hard technology, GPS, GIS, RSS, etc.

精细农业是随着计算机硬件技术、全球卫星定位系统、地理信息系统软件等技术的发展而兴起的现代农业管理方法。

To collect status messages of field and execute variable input in precision agriculture, the field should be plotted out and its grids are named accordingly.

精确农业要求对田块进行网格划分和命名，以便因地制宜地收集田间状态信息和实施变量投入。

The results of the method showed that the soil nutrient information database on the field was suitable for variable rate fertilization decision and management in precision agriculture.

应用实践表明：建立的田间土壤养分信息库可以应用于精确农业变量施肥的决策和作业管理。

This paper summarizes the process of construction of growth simulation models and their current applications in precision agriculture and intellectualized greenhouse at home and abroad.

本文综述了作物生长模拟模型建立的过程，及目前国内外在精准农业和智能温室中的运用现状。