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Development of image mapping techniques for site-specific paddy rice management

机译：特定现场稻米管理图像映射技术的研制

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A Ground-base Image Mapping System composed of camera, a GPS and a computer was developed. This system collects the images of paddy field sequentially while the vehicle is traveling in the field. After traveling, the images are synthesized and displayed as a two-dimensional image. Plant coverage values of paddy rice vegetations were examined using this system. As a result, the plant coverage closely correlates with the leaf area index and the absorbed amount of nitrogen per growing area, regardless of the type of cultivation, that is, direct seeding or transplanting. Using the system with some improvements including the cut-off of external light, the number of rice establishment seedlings, which were raised with the direct seeding cultivation technique, was measured. The results closely matched those from the visual examination. An effective cultivation management may be possible by dividing the establishment seedlings into several groups based on the density and changing the amounts of the fertilizer and the pesticide accordingly. Consequently, this system is considered to be an effective tool to collect the data regarding the plant growth state, which will facilitate the cultivation management of small sections in large agricultural fields.
机译：开发了由相机，GPS和计算机组成的地基图像映射系统。该系统在车辆在现场行驶时依次收集稻田的图像。行驶后，图像被合成并显示为二维图像。使用该系统检查水稻植被的植物覆盖范围。结果，植物覆盖率与叶面积指数和每个生长面积的吸收量密切相关，无论种植类型，即直接播种或移植。使用该系统具有一些改进，包括外部光的截止，测量了用直接播种培养技术提出的稻米建立幼苗的数量。结果与视觉检查中的结果紧密匹配。通过将建立幼苗除以基于密度并相应地改变肥料和农药的量来将建立幼苗分成几个基团来实现有效的培养管理。因此，该系统被认为是收集有关植物生长状态的数据的有效工具，这将促进大型农业领域的小部分的培养管理。

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