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The native grasslands of five hectare was divied into three paddocks and grazed by three Japanese Black steers of average weight of 350kg. We observed eating behaviour of grazing cattle, and measured chemical composition and dry matter disappearance of some wild grasses. Energy flow was investigated in native grasslands. It will be very dangerous to establish grasslands by driving large-sized machine or burning because of the possibility of explosion of unexploded bombs in soil or surface after the Second World War. We would rather recommend hoof cultivation by cattle is fit for the method from point of safety, enviromental conseravation and cost. There were many useful wild grasses as the result of eating behaviour, especially both Miscanthus sinensis Anderss and Bidens pilosa L. f. decumbens Scherff were higher palatability, nutritive value and dry matter digestibility. The steers prefered wild grass which has higher crude protein contents and lower crude fiber contents in plant. Herbage intake per body weight kilogram during experimental periods were the range of 1.8-3.9%. Dry matter digestibility were a marked low, ranging from 35-46%. Daily gain was shown maximum value of 0.88kg and average of 0.52kg. A marked low efficiency of utilization of solar energy on native grasslands were shown in plant fixed energy and digestible energy, resulting in lower retainde energy for growth compared with orchardgrass (Dactylis glomerata L.) and bahiagrass (Paspalum notatum Flugge). From the facts described above, we found the place and reason efficiency of untilization of solar energy were low on native grasslands. Should we improve efficiency of utilization of energy, low-cost beef cattle production would be possible.", "subitem_description_type": "Other"}, {"subitem_description": "\u7d00\u8981\u8ad6\u6587", "subitem_description_type": "Other"}]}, "item_1617186643794": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_1522300295150": "ja", "subitem_1522300316516": "\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8"}]}, "item_1617186702042": {"attribute_name": "Language", "attribute_value_mlt": [{"subitem_1551255818386": "jpn"}]}, "item_1617186783814": {"attribute_name": "Identifier", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/20.500.12000/3894"}]}, "item_1617186920753": {"attribute_name": "Source Identifier", "attribute_value_mlt": [{"subitem_1522646500366": "ISSN", "subitem_1522646572813": "0370-4246"}, {"subitem_1522646500366": "NCID", "subitem_1522646572813": "AN00250548"}]}, "item_1617186941041": {"attribute_name": "Source Title", "attribute_value_mlt": [{"subitem_1522650068558": "ja", "subitem_1522650091861": "\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8\u5b66\u8853\u5831\u544a"}, {"subitem_1522650068558": "en", "subitem_1522650091861": "The Science Bulletin of the Faculty of Agriculture. 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