Research on Promotion Mechanism and Impact Level of Agricultural Water Conservancy Investment on Grain Production Capacity
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Abstract:
Numerous studies have shown that water conservancy investment has played an important role in promoting food production. In order to investigate the promotion mechanism and impact level of agricultural water conservancy investment on the grain production capacity, we used the historical data in Heilongjiang Province to establish a VAR model to analyze the effects of agricultural water conservancy investment. The results showed that the water conservancy investment has a significantly positive impact on the comprehensive grain production capacity, and this impact is realized through the reduction of natural disasters such as flood and adjustment of crop structure. Moreover, this impact has time lag and is mainly effective in the period of 3 to 6 years after the water conservancy construction. On this basis, we proposed several measures including increasing support efforts of water conservancy construction in the main production area, varying the investment and fund management mode, and focusing on investment countermeasures based on local conditions.
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