[Retracted] Empirical Study on the Grain Output Based on Regression Analysis

Table 1

Variables.

Variables	Variable meaning
	Grain output (10,000 tons)
	Employment in the primary industry (10,000 people)
	The sown area of food crops (thousand hectares)
	Total power of agricultural machinery (10,000 kilowatts)
	Effective irrigation area (thousand hectares)
	Pure fertilizer application amount (10,000 tons)
	Rural electricity consumption (billion kilowatt hours)
	Consumption of agricultural plastic film (ton)
	Amount of pesticide used (10,000 tons)
	Affected area (thousand hectares)
	Disaster area (thousand hectares)