【摘要】 本文以金盏菊为材料 ,比较了几种薄膜覆盖种植与露地种植对其在冬、春季的营养生长和开花的影响。结果表明 ,同露地种植相比 ,薄膜覆盖使金盏菊蓬径和开花数量增加 ,花期提前更多还原

【Abstract】 In this experiment,the effect of several kinds of plastic sheet covered cultivation and uncovered planting on the growth and flowering in bedding marigold was studied in winter and spring.The result showed that the plastic sheet.covered bedding marigold were better in plant size,the early bloom and the number of flowers than uncovered plants.更多还原