The price of "group purchase" can be reduced with sufficient supply of agricultural materials in main producing areas.

The market supply of all kinds of agricultural products in the investigated provinces and regions is sufficient, and the price is generally slightly lower than that of the previous year. On the one hand, due to the overcapacity of the agricultural production industry, the decline in the price of raw materials, the oversupply in the international market and the suppression of domestic agricultural prices. On the other hand, in recent years, new agricultural operators, such as large growers and cooperatives, directly connect with agricultural suppliers to purchase agricultural materials, which reduces the circulation links and reduces the procurement costs of agricultural materials.

The price of chemical fertilizer is slightly lower than that of last year, and the new fertilizer is favored by farmers.

The average market prices of urea, potassium chloride, compound fertilizer and diammonium phosphate in Jilin Province decreased by 9.12%, 8.85%, 2.66% and 6.22% respectively compared with the same period last year. The prices of urea and diamine in Heilongjiang Province were 2020 yuan / ton and 3400 yuan / ton respectively, which was basically the same as that of the previous year. The average market price of urea in Jiangsu Province was 1860 yuan / ton, down 2.6% from the same period last year. The average prices of urea and compound fertilizer in Shandong Province were 1854.45 yuan / ton and 2928.82 yuan / ton respectively, down 5.88% and 3.82%, while the average market price of urea in Henan Province was 1765.77 yuan / ton, down 2.58%. The price of chemical fertilizer in Gangnan District of Guigang City, Guangxi fell by about 5% to 8% compared with the same period last year, with a drop of 200 yuan per ton. The price of urea in Xinji City, Hebei Province, was 1700 yuan per ton, which was basically the same as that of the same period last year. Compound fertilizer was 2600 yuan per ton, down 3.7 percent from the same period last year.

In addition, research in Jilin Province shows that all kinds of organic fertilizers, biological fertilizers, special fertilizers and other new fertilizers are favored by farmers. Mobile phone soil testing formula fertilization technology has been popularized in a large area in Jilin Province. "Farmers know what fertilizer this land lacks when they stand in their own land, how to match it?" This guides farmers to apply fertilizer scientifically, avoiding waste and preventing soil consolidation caused by excessive fertilization.

There are great differences in seed prices among varieties, and self-developed varieties are popular.

Due to the great differences in seed varieties used in different regions, their market prices rise and fall. The seed prices of corn, rice and soybean in Heilongjiang were 21.25 yuan / kg, 5.65 yuan / kg and 5.35 yuan / kg respectively, slightly lower than that of the same period last year. The average seed prices of corn and rice in Liaoning Province were 18.5 yuan / kg and 10.80 yuan / kg respectively, up 0.5 yuan / kg and 0.37 yuan / kg respectively over the same period last year. In Xinji City, Hebei Province, the price of cotton seed is 2030 yuan / kg, and that of corn seed is 160.22 yuan / kg, which is basically the same as that of the same period last year, but there is a great difference in price among varieties. The seed prices in Jilin Nong'an City and Gongzhuling City are basically stable, and the domestic self-developed varieties sell well and are welcomed by farmers. Maize seed "limin 33" showed strong lodging resistance and leaf resistance to armyworm during the "Brawan" storm in 2012, the sales situation is good, the price of each bag (10000) is 140,150 yuan, and the price of "Liangyu 99" (5200) is 100,110 yuan. The price of "Yuanyu 3" (10000 pieces) is 1100.120 yuan per bag, and the price of "Xianyu 335" (8000 pieces) is 800.85 yuan per bag.

The prices of agricultural diesel and agricultural film have fallen to varying degrees.

Affected by the fall in international oil prices, oil prices are flat or falling everywhere. Heilongjiang agricultural diesel 6.56 yuan / kg, gasoline 6.05 yuan / kg, basically the same as the previous year; Jilin agricultural diesel price fell 19.61% over the same period last year; Shandong agricultural diesel price 6.05 yuan / liter, down 17.46%; Jiangsu agricultural diesel average price 5.52 yuan / liter, down 23.0%. The average price of plastic film and greenhouse film in Jilin Province fell 3.23% and 3.46% compared with the same period last year; the average price of plastic film in Shandong was 12686.4 yuan / ton, slightly down 0.12%; the price of plastic film in Jiangsu was 13694 yuan / ton, down 1.9%, and the price of plastic film was 13744 yuan / ton, up 0.8%. Agricultural film in Xinji City, Hebei Province, about 12000 yuan / ton, down 4%.