LUO Yun,ZHOU Li-na,WANG Shi-rong,et al.Effect of Application Potassium Fertilizer on Watermelon Yield and Quality[J].Northern Horticulture,2013,37(12):175-177.
施钾对压砂西瓜产量和品质的影响
- Title:
- Effect of Application Potassium Fertilizer on Watermelon Yield and Quality
- 文章编号:
- 1001-0009(2013)12-0175-03
- Keywords:
- gavel-mulched land; watermelon; potassium fertilizer
- 分类号:
- S 651
- 文献标志码:
- A
- 摘要:
- 以“金城5号”西瓜为试材，通过田间小区试验，研究了不同供钾水平对压砂西瓜产量和品质的影响。结果表明：施用钾肥对压砂西瓜有显著的增产作用，与对照比较各处理增产率为3.3%～14.9%；施钾量在18kg/hm2范围内，增施钾肥可以提高压砂西瓜的维生素C含量、可溶性固形物含量和可溶性糖含量，与对照比较，施钾量18 kg/hm2处理的维生素C含量增加了14.6%，可溶性固形物含量提高了26.8%，可溶性糖含量提高了14.8%。综合考虑压砂西瓜的产量品质因素，当地压砂西瓜合理的施钾量应为18 kg/hm2。
- Abstract:
- Taking ‘Jincheng No.5’ watermelon variety as material，a field experiment was conducted to study the effect of application different potassium fertilizer levels on watermelon yield and quality.The results showed that the potassium fertilizer significantly increasd watermelon yield compared with the control treatment，the increase rate between 3.3% to 14.9%.The amount of application potassium fertilizer under 18 kg/hm2condition could significantly improve the watermelon VC content，soluble solids content and soluble sugar content，compared to control treatment，watermelon VC content increased by 14.6%，soluble solids content increased by 26.8%，soluble sugar content increased by 14.8%，respectively.Considering the watermelon production and quality factors，local watermelon reasonable amount of potassium should be 18 kg/hm2.
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备注/Memo
第一作者简介：罗昀(1968-)，男，本科，农艺师，现主要从事植物营养与施肥和环境等方面的研究工作。E-mail:laoer168@126.com.
责任作者：赵天成(1957-)，男，本科，高级农艺师，现主要从事土壤肥料和施肥与环境方面的研究工作。E-mail:zhaotc2007@126.com.
基金项目：国际植物营养研究所(IPNI)资助项目(EFDP-Ningxia-2010)。
收稿日期：2013-01-19