The construction of agricultural big data is the key link to build a modern intelligent agriculture.Through case analysis and empirical study,the dynamic logic of agricultural big data construction in China was analysed through four aspects as follows:technology,market,capital and politics,and the historical inevitability of the large agricultural data construction in China and the characteristics and practice of the three typical models were analyzed.On this basis,that the single variety of agricultural products should be chosen as the breakthrough point for the construction of the whole industrial chain in China’s agricultural big data was point out.In the initial stage,every provinces in China should adopt the “one province,one chain” and “one industry,one chain” single product model for demonstration construction.Therefore,a specific path was put forward as follows “one main line,three links,five main bodies and seven strategies”.
