GPS在农业的应用(英文).ppt

* Application of GPS in Precision Agriculture 1.WHAT Precision agriculture is the new trend in agricult- ural development,and it contains a set of modern farming technology and management system. Precision agriculture is a kind of technology based on the improvement of modern information technology,biotechnology,engineering technology and so on.The main of which are the GIS,GPS,RS, and the computer autocontrol technology. 2.WHY The basic meaning of the pricision agriculture is that we can adjust our input according to the fea- tures of the soil and the corps.In this way,we can transfer the soils productivity and get the equal or higher income with the minimal investment,impro- ve the environment,use all kinds of agricultural re- sources efficiently, and acquire economic and environmental benefits. 3.HOW The Application in Fertilization As we all know,different soil requires different amount of fertilizers.GPS provides the space position and navigation for controlling the fertilization, thus adjusting the types and the amount fertilizers scientifically. The Application in Irrigation Precise irrigation can not only satisfy the requirements of the time ,the position and the amount of irrigation during crops growth process ,but also maximize the efficiency of water use. The Application in Crop-Dusting Its a new method to use GPS to predict the insect pest.The GPS equipment connected with infrared cameras can offer the position and types of the insects.And the air tractor can control them under the guidance of GPS. The Application in Seeding The seeder combined with GPS can ensure the optimal distribution of seeds in farmland, so as to improve the utilization of nutrition and solar energy. *