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西瓜是大兴区最重要的农作物之一,常年种植总面积10万亩,总产量近3亿kg,是大兴区农民的主要经济来源之一。长期以来,大兴区瓜农管理粗放,施肥不合理,影响了西瓜产量和品质。为探索西瓜最佳优化施肥模式和施肥量,2009年北京市土肥
Watermelon is one of the most important crops in Daxing District. The total annual perennial planting area is 100,000 mu, with a total output of nearly 300 million kg. It is one of the major economic sources for farmers in Daxing District. For a long time, extensive management of farmers in Daxing District, irrational fertilization, affecting the yield and quality of watermelon. In order to explore the best optimized watermelon fertilization mode and amount of fertilizer, in 2009 in Beijing soil fertilizer