GENG Guang-dong,SONG Ming-jun,ZHANG Su.Effect of Nitrogen,Phosphorus and Potassium Ratio on the Growth of Tomato Seedlings[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(03):41-43.[doi:10.11942/j.issn1002-2767.2016.03.0041]
不同氮磷钾配比对番茄幼苗生长的影响
- Title:
- Effect of Nitrogen,Phosphorus and Potassium Ratio on the Growth of Tomato Seedlings
- 文章编号:
- 1002-2767（2016）03-0041-03
- Keywords:
- tomato; fertilizers; growth; strong seedling index; root activity
- 分类号:
- S641.2
- 文献标志码:
- A
- 摘要:
- 为了促进科学施肥，以番茄为试材，研究了育苗基质中氮、磷、钾配比对番茄幼苗生长的影响。结果表明：基质中施入适量的氮磷钾肥料能显著促进番茄幼苗生长和提高幼苗质量。氮、磷、钾比例为2∶1∶2，施肥量为0.2、0.1、0.2 kg?m-3的处理番茄幼苗根长、茎粗、株高、干重、壮苗指数和根系活力等指标均最大，能促进幼苗的生长发育，幼苗生长健壮，为筛选出的最佳营养配方。
- Abstract:
- In order to promote scientific fertilization，the effects of various ratios and content of nitrogen,phosphorus and potassium on tomato seedling growth were researched.The results showed that appropriate nitrogen,phosphorus and potassium fertilizers could significantly improve growth and quality of tomato seedlings.The root length,stem diameter,plant height,dry weight,strong seedling index and root vigor of the treatment T1(ratios and content of nitrogen,phosphorus and potassium were 2∶1∶2 and 0.2,0.1 and 0.2 kg·m-3,respectively) were the highest,which could cultivate strong seedlings and that was the optimal fertilizer ratio.
参考文献/References:
［1］刘吉刚,费素娥,刘冬梅.育苗基质中氮磷比及其含量对番茄穴盘苗生长及营养状况的影响\[J\].西南农业学报，2007(1):1-2.
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备注/Memo
收稿日期：2015-01-28