XU Li-ming,XIN Yan,XU Fei,et al.Study on the N,P,K Uptake of Snap Bean in Different Growth Periods[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(03):38-40.[doi:10.11942/j.issn1002-2767.2016.03.0038]
菜豆不同生长期氮磷钾养分吸收量的分析
- Title:
- Study on the N,P,K Uptake of Snap Bean in Different Growth Periods
- 文章编号:
- 1002-2767(2016)03-0038-03
- Keywords:
- snap bean; growth period; unit yield; nutrient uptake
- 分类号:
- S643.106.1
- 文献标志码:
- A
- 摘要:
- 为了促进合理施肥、追肥,通过对菜豆品种不同生长时期单位产量养分吸收量测定,分析菜豆品种不同生长时期对土壤中氮磷钾养分的吸收量。结果表明:菜豆不同生长期吸收养分量差异很大,抽蔓期吸收氮磷钾养分量最少,占总吸收量的0.4%~0.7%;二次开花结荚期氮磷钾养分吸收量最高,占总需肥量40%~60%;一次开花结荚期各种养分吸收量较多,占总需肥量20%~37%。
- Abstract:
- In order to promote the reasonable fertilization, the N K P uptake data of different growth periods of snap bean was tested and analyzed.The result showed that it existed difference in different growth periods of snap bean.The lowest uptake was tendril elongation period,it occupied the 0.4%~0.7%;the most uptake was the second flowering and podding period,it occupied the 40%~60%;the uptake of first flowering and podding period was the 20%~37%.
参考文献/References:
[1]陆景陵.植物营养学[M].北京:农业大学出版社,1994:17-25.
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备注/Memo
收稿日期:2015-12-10