滨州大棚蔬菜需肥水平及供肥状况的调查研究

对滨州市冬暖式蔬菜大棚土壤养分供需状况和施肥情况进行调查分析.结果表明,全市大棚蔬菜土壤特别是新建大棚土壤有机质含量偏低,且氮、磷、钾肥施用不协调,针对这些问题,提出了大棚蔬菜应重施有机肥,少施化肥,配合施用氮、磷、钾肥,少施铵态氮肥,有针对性地施钙、镁肥及其他液态肥.

Investigation Research on Fertilizer Requirement Characteristics and Its Application Status of Greenhouse Vegetables in Binzhou

The supply and demand status of soil nutrients and fertilizers in the vegetable greenhouses of Binzhou city was investigated and analyzed.The results showed that the soil organic matter content of the vegetable greenhouses was very low,especially the new built ones,and the applying proportion of nitrogen,phosphorus,potassium fertilizer was not balanced.And several recommendations for the rational application of fertilizers to the greenhouse vegetables were proposed.