PROBLEM TO BE SOLVED: To provide a heating device for farm soil provided with thermal pipes, efficiently cultivating and rearing crops by heating the soil of a farm or the like, rich in heat reserving property, having a large heat radiating area, and sufficiently applicable to hillside farms.SOLUTION: A heating device for rising the soil temperature of a farm includes a plurality of thermal pipes buried in parallel in a lateral direction in the soil and filled with a heat reservoir of iron sand surrounding an electric heater to rise the temperature of the soil as a group wherein a plurality of the groups are arranged in parallel in the lateral or longitudinal direction, while power is supplied in parallel, to each thermal pipe of the group by wiring from a power source equipment for heating, square shaped or channel shaped box bodies are arranged in two lines to mount both ends of the every thermal pipe of the group in crossing direction in the soil of the farm, or both ends of each thermal pipe of the group by using T shaped tees, and sockets or elbows are arranged in parallel in the soil of the farm.COPYRIGHT: (C)2013,JPO&INPIT【課題】本発明は、農圃などの土壌を加温することによる農作物の栽培・育成を効率よく行える、蓄熱性に富み、放熱面積が大きく、傾斜地でも十分適用できる温熱管を採用した農圃土壌の加熱装置を提供する。【解決手段】 農圃の土壌温度を上昇させるもので、土壌中に横方向に埋設され、かつ、電熱ヒータを取り囲んで砂鉄の蓄熱体を備えた複数の温熱管を並列状態に配設したものを一群とし、前記群の複数を横方向又は縦方向に配列したことを、また一群の温熱管の夫々に加熱電源装置から配線して並列的に給電することを特徴とし、また一群の各温熱管の両端部を載置するロの字状又はコの字状の函体を二列、温熱管に直交する方向で農圃土壌中に配設し、又は、一群の各温熱管の両端部をT型チーズ、ソケットやエルボを用いて並列状態に農圃土壌中に配設したことを特徴とする。【選択図】図1
