科研之友
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摘要
In this paper we will analyze the changes and influence factors in rice production in Shandong Province in the past 15 years by the research methods of mathematical statistics and regression analysis with the data of rice planting area, yield and total yield during 2000 to 2014 and explore the influence of accelerating industrialization and urbanization on it. The results show that: The overall planting area in Shandong Province decreased from 171573 hm2 in 2000 to 152634 hm2102385 hm2 and 105771 hm2 of 2002, 2003 and 2014 an overall decline of 38.4%. The average yield in 2000 is 7542kg/hm2; There was a little fall in 2002 and 2003; It has maintained steady rise from 2004 to 2011 and had an overall increase of 9 percentage points. The rice total output in the three area decreased from 1278094t to 855101t, about 33%; The sharp decline in planting area resulted in a significant decline in rice production from 2000 to 2003 and the total output in 2003 was only 714303t. The main reason for the decline of rice production in Shandong is the decrease of rice planting area. Therefore, the keys to ensure stable rice production in Shandong are to stabilize rice acreage and to improve yield by strengthening the construction of agricultural infrastructure, earnestly implementing the protection of arable land system, improving agricultural subsidies and expanding agricultural insurance coverage.
