NPK养分配比与NAM长效剂对旱砂田西瓜生长、品质和养分利用的影响
马忠明, 杜少平, 薛亮, 冯守疆
Effects of Different N, P and K Ratios and NAM on Growth, Quality and NutrientUtilization of Watermelon Mulched with Gravel in Semiarid Area
MA Zhong-ming, DU Shao-ping, XUE Liang, FENG Shou-jiang
J4 . 2013, (3): 358 -364 .  DOI: 10.11869/hnxb.2013.03.0358