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Traditional Tea-grass Integrated System in Shizuoka as a GIAHS Site: Values and Conservation——Background of Application and Efforts after Registration

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Journal of Resources and Ecology 2019年第5期10卷 511-517页

作者： hidehiro inagaki Yoshinobu KUSUMOTO Shizuoka University KariyadoFujiedaShizuoka 426-0001Japan Western Region Agricultural Research Center Ikano-choZentsuji-shiKagawa 765-8508Japan

The traditional tea-grass integrated system in Shizuoka is the first example of a Globally Important Agriculture Heritage Systems(GIAHS)site in Japan that was proposed by a local *** this paper,we report the background and circumstances leading to the recognition of this system,its registration as a GIAHS,and its current use after *** semi-natural grasslands have decreased considerably in Japan,we found unique semi-natural grasslands with no pest insects and a rich biodiversity around the tea *** grasslands and the farming method employed are known as'Chagusaba',which was registered as a GIAHS in ***,the registration process for GIAHS was not easy,as many local farmers do not understand the value of their traditional farming methods or the GIAHS *** registering Chagusaba as a GIAHS,our main agenda was *** farming,with time and effort,produces high-quality *** labor saving technologies in agriculture have progressed in Japan,the price of high-quality tea has declined,and consequently,the numbers of farmers performing the inefficient traditional farming methods are *** is necessary to correctly brand the Chagusaba-grown tea and reflect the value of the traditional farming method in the *** local government of the Shizuoka Prefecture is currently working on implementing a certification system,which includes scientific evaluation using GPS,and the introduction of biodiversity indicators.

关键词： GIAHS traditional tea-grass integrated system Chagusaba

Effect of Japanese knotweed(Fallopia japonica)Mulching on Continuous Potato Cropping:Modern Evaluation of Traditional Japanese Knotweed-mulch Farming in Nishi-Awa Steep Slope Land Agriculture System,Japan

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Journal of Resources and Ecology 2021年第2期12卷 254-259页

作者： inagaki hidehiro UNNO Nahoko SAKAKIBARA Takumi KUBOTA Sakiko HASEGAWA Kana Shizuoka University KariyadoFujiedaShizuoka 426-0001Japan

Poaceae species such as silver grass or reed are commonly used in traditional mulch farming in Japan,where the Nishi-Awa area is a Globally Important Agricultural Heritage Systems(GIAHS)*** here have traditionally used silver grass for mulch farming;furthermore,local farmers have learned from long-standing experience that Japanese knotweed(Fallopia japonica,Polygonaceae)is better for cultivation of solanaceous crops in this ***,it is unclear why Japanese knotweed mulching is beneficial for cultivation of solanaceous ***,in this study,we hypothesized that Japanese knotweed mulching may be effective in avoiding hazards associated with continuous potato cropping,as native potato used to be cultivated twice a year in the ***,we investigated the effects of Japanese knotweed mulching on continuous potato cropping and after tomato cropping,which is another solanaceous crop *** experiments were conducted in ***,we compared Japanese knotweed mulching,silver grass mulching and no grass mulching(control)in a soil under continuous potato cultivation and in an uncultivated *** a result,the extent of the potato yield decrease was reduced by Japanese knotweed ***,we compared Japanese knotweed-mulching and no grass mulching in a soil after a tomato crop and in an uncultivated *** extent of decrease in potato growth and yield was also reduced by Japanese knotweed *** findings indicate that mulching with Japanese knotweed helped to avoid the risks associated with continuous potato cropping.

关键词： continuous cropping Globally Important Agricultural Heritage Systems(GIAHS) Japanese knotweed mulch farming potato traditional farming

Suppressive Effects of Traditional Mulching Using Japanese Knotweed(Fallopia japonica)on Solanaceae Crop Diseases

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Journal of Resources and Ecology 2021年第6期12卷 869-875页

作者： inagaki hidehiro KUBOTA Sakiko HASEGAWA Kana UNNO Nahoko USUI Yukiko TAKIKAWA Yuichi Shizuoka University Shizuoka 422-8529Japan

Poaceae plant species,such as silver grass,are commonly used in mulching activities *** contrast,local farmers have traditionally used Japanese knotweed(Fallopia japonica)mulch in the cultivation of solanaceous crops in the Nishi-Awa area of Japan,which is a Globally Important Agricultural Heritage Systems *** have previously evaluated the positive effects of Japanese knotweed mulching on solanaceous crops,such as eggplants,tomato,and *** the present study,we observed that the naturally occurring diseases in the solanaceous crops tended to decrease when the knotweed mulching system was adopted,in comparison to when Poaceae mulch was *** eggplants,leaf mold and powdery mildew decreased under Japanese knotweed *** further evaluated the effects of Japanese knotweed mulching by inoculating test plants with Pseudomonas *** observed suppression of bacterial disease and tomato mosaic virus under Japanese knotweed mulching and following spraying with Japanese knotweed *** addition,disease-resistance genes were expressed at high levels in Arabidopsis thaliana,a model plant,following treatment with Japanese knotweed *** results suggest that Japanese knotweed has potential applications in future sustainable agriculture activities.

关键词： Traditional Ecological Knowledges(TEK) Globally Important Agricultural Heritage Systems(GIAHS) Japanese knotweed Solanaceae mulching systemic acquired resistance(SAR)

Symbiosis of Biodiversity and Tea Production Through Chagusaba

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Journal of Resources and Ecology 2016年第3期7卷 151-154页

作者：楠本良延稻垣荣洋国家农业环境科学研究所日本茨城县筑波市305-8604 静冈大学日本静冈县藤枝市426-0001

Chagusaba,which is traditional tea-grass integrated system in Shizuoka,is one of Globally Important Agricultural Heritage Systems（GIAHS） sites in *** provide an important habitat for natural plant *** this study,we investigated the flora in Chagusaba and environmental factors to affect the number of native species estimated their *** Chagusaba were classified in to five vegetation types by Two-way indicator species *** addition,high number of native plant species Chagusaba had low soil p H,covered large areas,and were in places where the land had not been *** statistical analysis（GLM）,we found that land modification had an especially significant effect on the diversity of native plants,and that the diversity of native plants was reflected in the history of the use of the land.

关键词： Chagusaba semi-natural grassland Miscanthus sinensis biodiversity tea production Globally Important Agricultural Heritage Systems(GIAHS)