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据国家统计局黑龙江调查总队对全省25个市县750户农户的调查结果显示,2007年该省主要粮食作物生产成本普遍增加。据调查,四大作物平均每亩生产成本为
According to the survey of 750 households in 25 cities and counties in the province by the National Bureau of Statistics Heilongjiang Investigation Corps, the cost of producing staple food crops in the province in 2007 generally increased. According to the survey, the average production cost per mu for the four major crops is