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一、化肥的使用和存在问题黑龙江省近年来每年使用接近二百万标准吨的化肥(折成有效成分约35～40万吨),同国内各省相比,用肥总量相差不大,和邻近的辽宁省或吉林省的用肥总量基本相同,但由于本省耕地面积大于其它省份。所以,单位面积的用肥量明显地低于其它各省。每亩耕地平均为30斤,是辽宁省120斤的1/4,
I. Use and Problems of Chemical Fertilizer Heilongjiang Province has used nearly two million standard tons of fertilizers (about 350,000 to 400,000 tons of active ingredients each year) in recent years. Compared with other provinces in the country, the total amount of fertilizer used has little difference and The total amount of fertilizer used in the neighboring Liaoning Province or Jilin Province is basically the same, but the cultivated area in this province is larger than that in other provinces. Therefore, the amount of fertilizer per unit area was significantly lower than the other provinces. An average of 30 acres of arable land, Liaoning Province, 120 pounds is 1/4,