【摘要】 为了海南夏秋季黑叶小白菜生产科学合理施肥,开展测土配方"3414"试验,进行氮、磷、钾肥料效应及施肥参数确定的研究。结果表明,（1）N、P₂O₅、K₂O每667 m²最佳施用量分别为11.28、1.53、7.76 kg,肥料施用比例为1∶0.14∶0.69（;2）供试土壤中有效养分含量丰缺对黑叶小白菜产量影响程度为N高等级、K中等级、P低等级（;3）分别添加羊粪有机肥、硼肥和铁肥对配方肥N₁₅P₅K₁₀进行优化,每667 m²产量均高于配方肥处理,分别为（1 213.19±11.23）、（1 130.19±28.25）、（1 134.64±28.51）和（1 074.98±31.31）kg,同时可溶性蛋白含量和可溶性糖含量显著提高,亚硝酸盐含量均降低。研究发现,配方肥N15P5K10（7.5 kg-2.5 kg-5 kg）与羊粪有机肥(150 kg·667 m^-2)混施,可以增加黑叶小白菜产量,提高品质。更多还原

【Abstract】 In order to understand the rational fertilization of pakchoi in summer and autumn in Hainan province, the soil test formula"3414"test was conducted,the fertilization parameters of nitrogen, phosphorus and potassium were studied.The results showed that the optimum fertilizing quantity of N, P₂O₅ and K2O were 11.28 kg, 1.53 kg and 7.76 kg per 667 m²,and the fertilizer application ratio was 1∶0.14∶0.69. The degree of the effect of N, K and P content in the tested soil on the yield of pakchoi were respectively high grade, medium grade and low grade. Adding sheep manure organic fertilizer,boron fertilizer and iron fertilizer to optimize the formula fertilizer N₁₅P₅K₁₀, the yields of those were higher than that of the formula fertilizer treatment, which were respectively（ 1 213.19±11.23）,（ 1 130.19±28.25）,（ 1 134.64±28.51）and（1 074.98±31.31）kg per 667 m² and the soluble protein contents and soluble sugar contents of these were significantly increased, while the nitrite contents were decreased. It was found that formula fertilizer N15 P5 K10（7.5 kg-2.5 kg-5 kg）mixed with sheep organic fertilizer（150 kg per 667 m²）could increase the yield of pakchoi and improve the quality.更多还原