Precise technology of soil sampling for large-scale farm - A case study in Haifeng Farm of Shanghai City

文献类型： 外文期刊

第一作者： Wei Yichang

作者： Wei Yichang;Bai Youlu;Jin Jiyun;Yao Zheng;Xu Sixin;Luo Guoan;Li Run;Lin Changhua

作者机构：

关键词： soil science;collection of sample;large-scale farm;DGPS;precision agriculture

期刊名称：Proceedings of the China Association for Science and Technology, Vol 2, No 1

ISSN：

年卷期： 2006 年

页码：

收录情况： SCI

摘要： With an ever growing world population subject to famine, natural disasters, diseases, and conflicts, changes must be made in agriculture to meet world concerns while remaining committed to sustaining the natural resources need for future production. Precision agriculture may be the next great evolution in agriculture; provided that it is understood, easily applied, and produces results. The catalyst for the. emergence of precision agriculture has been satellite positioning and navigation. The combination of g System (GPS) and mobile mapping provides the agriculturist with a new capability of gathering information for Global Positioning implementing decision-based precision agriculture. Using the DGPS in soil sampling and field boundary mapping in large-scale farms is fundamental to the technical management of precision agriculture. In this study we used THALES 6502 SK/MK GPS to precisely locate soil-sampling sites in the fields and map the boundary of the land blocks. The data from DGPS can be inducted into ArcGIS documents to analyze and manage the soil sample sites, blocks, physical and chemical properties and spatial variability, and consequently obtain the digitization of soil sampling to provide a new approach for the large-scale farms in China to manage the soil nutrients.

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