Knowledge Map Analysis Of Green Manure And Analysis On The Competitiveness Of Guangxi Green Manure Industry

As the essence of traditional agriculture in China,green manure is the cleanest organic fertilizer source and plays an important role in improving soil fertility,preventing soil erosion and improving crop quality.Therefore,the promotion of green manure cultivation and development is of positive significance for sustainable agriculture in China.This paper aims to use Citespace to analyze the foreign literature and Chinese literature on green manure from a macro perspective,and identify the current research trends and hot spots of green manure.Then,from the microscopic perspective,this paper selects Guangxi green fertilizer as a concrete example and uses Porter’s diamond model to comprehensively analyze the competitiveness of Guangxi green manure from five aspects,so as to put forward suggestions for the long-term development of Guangxi green manure industry.1)With the application of bibliometric analysis and Citespace visualization technology,the visual analysis of the foreign literature and Chinese literature on green fertilizer research was carried out,and the results showed that:(i)The trend of green manure research at home and abroad is similar in terms of the amount of papers published,and generally it shows a rising trend of twists and turns;(ii)The top five countries in terms of foreign literature on green manure are the United States,India,Brazil,China and Canada;(iii)LADHA JK,WEIDONG CAO,FRANCISCO BEZERRA NETO are the top three authors of foreign literature on green manure,WEIDONG CAO,XINGGUO BAO and TIEJIN DENG are the top three authors of Chinese literature on green manure.Among them,Chinese author WEIDONG CAO is in the top three at both.Stable research teams have been formed among the high-yielding authors at home and abroad,but there is little cooperation among different research teams;(iv)The top three institutions in foreign literature on green manure are USDA ARS,Agriculture & Agri-Food Canada and Chinese Academy of Sciences.The top three institutions in Chinese literature on green manure are IARRP OF CAAS;Institute of Soil Science,Chinese Academy of Sciences;azolla research center,Fujian Academy of Agricultural Sciences;(v)According to the analysis of literature co-citation,the most frequently cited article in Web of Science is 《 Biofumigation and Enhanced Biodegradation: Opportunity andChallenge in Soilborne Pest and Disease Management》;(vi)From the point of keywords,the high-frequency keywords on foreign green manure research are "soil","nitrogen element" and "yield",so the research is mainly about green manure acts on soil improvement effect and supplementary effect of nitrogen on crop absorption related research institute,while domestic green manure research focuses more on the study of green manure varieties.2)The Porter’s diamond model is used to comprehensively analyze the competitiveness of Guangxi green manure from the aspects of "production factors","demand conditions","related and supporting industries","enterprise strategy,structure and peer competition" and "opportunities and government".The results show that: from the analysis of production factors,the natural conditions and cultivated land conditions in Guangxi are suitable for the growth of green manure,and the regional location and transportation conditions can promote the development of green manure,however,at present,the main problems of green manure in Guangxi are single planting subjects,low education level and aging of farmers,low mechanization degree of green manure planting;In terms of demand conditions,people’s preference for green and organic food in recent years has been the development of using green manure;In terms of related and supporting industries,scientific research institutions,green food industry and tourism are all related andsupporting industries for the development of Guangxi green manure industry;In terms of enterprise strategy,structure and peer competition,the planting area of green manure industry in Guangxi is relatively small compared with that in neighboring provinces of Guizhou and Hunan,and its competitiveness is relatively weak;In terms of opportunities and government,the state is actively exploring the development of green and quality agriculture.The Guangxi government has issued a series of policies and regulations to support the development of Guangxi’s green manure industry,which plays an important role in promoting the development of green manure industry in Guangxi.3)After the above analysis of the competitiveness of Guangxi green manure industry,some suggestions are put forward to improve the competitiveness of Guangxi green manure industry.First,strengthen the green manure planting team;Second,speed up related infrastructure construction;Third,the introduction of diversified business entities;Fourth,implement branding strategy;Fifth,actively explore the "green manure +" industry;Sixth,increase government support.