LI Yong-sheng,DU Jian-jun,ZHANG Wen-cheng,et al.Effect of Reduced Fertilization and Optimized Fertilization on Chinese Flowering Cabbage[J].Northern Horticulture,2014,38(14):18-21.
菜心减量优化施肥效应研究
- Title:
- Effect of Reduced Fertilization and Optimized Fertilization on Chinese Flowering Cabbage
- 文章编号:
- 1001-0009(2014)14-0018-04
- Keywords:
- Chinese flowering cabbage; reduced fertilization; optimized fertilization; fertilizer use efficiency
- 分类号:
- S 634.3
- 文献标志码:
- A
- 摘要:
- 以菜心为供试作物，研究了常规施肥、减量施肥和优化施肥处理对菜心产量、品质、施肥效益及肥料利用率的影响。结果表明：减量施肥和优化施肥养分用量分别只是常规施肥养分用量的85.0%和56.5%，但仍可获得与常规施肥相当的产量水平，与常规施肥相比，优化施肥在肥料成本减少59.9%的情况下，施肥收入提高了6.8%，产投比达到13.4∶1，比常规施肥提高了168%，施肥效益显著提高；采用优化施肥方案时，和常规施肥相比，菜心维生素C含量提高了45.4%，硝酸盐含量降低了43.3%，氮、磷、钾肥料利用率分别提高了58.9%、280.6%和105.9％，优化施肥可显著改善菜心品质，提高肥料利用率。
- Abstract:
- Field experiment was carried out on Chinese flowering cabbage with four treatments including no fertilizer,conventional fertilization,reduced fertilization and the optimized fertilization,and the related indexes such as yield and quality etc.were investigated,and then the economic benefit and fertilizer use efficiency were analyzed.The results indicated that the yield of the reduced fertilization and the optimized fertilization was equivalent to the treatment of the conventional fertilization,while the nutrients dosage was only 85.0% and 56.5%.Compared with the conventional fertilization,the revenue of the optimized fertilization treatment increased by 6.8%,However,the cost of fertilizer reduced by 59.9%,and the ratio of output to input was up to 13.4∶1,which improved by 168% than that of the conventional fertilization.In addition,compared with the conventional fertilization,the content of VC increased by 45.4% and the nitrate content reduced by 43.3% when using the optimized fertilization scheme.Meanwhile,the use efficiency of nitrogen,phosphate and potassium was raised by 58.9%,280.6% and 105.9%,respectively.The experiment proved that the optimized fertilization could improve the quality of Chinese flowering cabbage obviously and enhance the fertilizer use efficiency.
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备注/Memo
第一作者简介：李永胜（1964-），男，硕士，副教授，现主要从事土壤肥力与肥料资源高效利用等研究工作。E-mail:yongshlee@163.com.