[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(12):58-60.[doi:10.11942/j.issn1002-2767.2019.12.0058]
氮素对马铃薯品种雪川4号产量和干物质含量的影响
- 文献标志码:
- A
- 摘要:
- 为确定氮肥的适宜用量,促进马铃薯生产节本增效,通过设置不同的氮素使用梯度测定马铃薯品种雪川4号产量指标。结果表明:各处理总产量和商品薯产量的顺序均为150%N>125%N>75%N>100%N>50%N,而商品率的顺序为50%N>75%N>125%N>150%N>100%N,各处理干物质的含量高低顺序为150%N>75%N>100%N>50%N>125%N。结合张家口坝上地区的种植模式,综合分析各个指标,得出应适当减少氮素的施用,节省成本,其中75%的氮素比较合适。
参考文献/References:
[1]马恢,张瑞玖.张家口市马铃薯产业问题及建议[C]// 中国作物学会马铃薯专业委员会.2016年中国马铃薯大会论文集,2016.
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备注/Memo
收稿日期:2019-08-05