优化施肥对沙地栽培葡萄产量及品质的影响Effects of optimized fertilization on yield and quality of grape in sandy soil
范富;张庆国;侯迷红;刘秀杰;
摘要(Abstract):
【目的】为提高沙地葡萄产量和改善其品质,【方法】2009—2010连续两年在科尔沁沙地上采用"3414"二次回归最优设计方案,进行田间试验,研究氮(X1)、磷(X2)、钾(X3)肥施用对葡萄产量和品质的影响。【结果】葡萄产量与肥料用量之间的数学模型Y=1189.48+3698.50X1+1533.2X2+1182.61X3-1159.97X12-464.23X22-369.68X32+78.46X1X2-54.69X1X3+175.22X2X3,施肥量为N 24.23 kg·667 m-2;P2O537.98 kg·667 m-2;K2O 84.84 kg·667 m-2,最高产量可达7023.22 kg·667 m-2。【结论】综合考虑产量和品质,处理N1P2K2的效果最佳。
关键词(KeyWords): 葡萄;沙地;施肥;品质;产量
基金项目(Foundation): 内蒙古自然科学基金项目(20080404MS0607);; 内蒙古民族大学科研创新团队支持计划(NMD1003)
作者(Author): 范富;张庆国;侯迷红;刘秀杰;
Email:
DOI: 10.13925/j.cnki.gsxb.2013.06.021
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