WANG Li,SUN Lifang.Effect of Potassium Dosage on Greenhouse Pepper and Production Efficiency[J].Northern Horticulture,2016,40(14):47-50.[doi:10.11937/bfyy.201614012]
钾肥施用量对设施辣椒生长的影响及生产效益分析
- Title:
- Effect of Potassium Dosage on Greenhouse Pepper and Production Efficiency
- Keywords:
- greenhouse pepper; potassium dosage; production efficiency
- 文献标志码:
- A
- 摘要:
- 以设施辣椒为试材，采用钾肥不同梯度施用量的方法，研究了钾肥施用量对设施辣椒的生长指标、产量及施用效益的影响，以期为宁夏设施辣椒高效生产提供理论依据。结果表明：当氧化钾施用量低于300 kg?hm-2时，钾肥对设施辣椒的生长有一定促进作用，增施钾肥增产效果明显；钾肥用量与辣椒产量之间呈现抛物线分布，当氧化钾施用量低于300 kg?hm-2时，辣椒产量随钾肥用量的增加而增加。该地区最高产量氧化钾施用量为315.4 kg?hm-2，综合分析钾肥价格及辣椒价格,得出最大经济效益氧化钾施用量为177.5 kg?hm-2。
- Abstract:
- Taking greenhouse pepper as the experimental material，using the method for different gradient of potassium application dosage，the effect of potassium application dosage on growth index，yield and economic profits of greenhouse pepper was studied to provide basis for efficient production of pepper in Ningxia.The results showed that when the content of potassium oxide below 300 kg?hm-2，potassium fertilizer had a certain effect on the growth of pepper，as well as increasing production obviously.The relationship between potassium dosage and hot pepper production showed a parabolic distribution，the yield of pepper increased with the increase of the amount of potassium when the content of potassium oxide below 300 kg?hm-2，the highest yield of potassium fertilizer in the area was 315.4 kg?hm-2,the maximum economic profits of potassium dosage was 177.5 kg?hm-2 by potash and hot pepper prices was comprehensive analysed.
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相似文献/References:
[1]李洪英.不同钾肥用量对地膜大葱品质、产量及经济效益的影响[J].北方园艺,2014,38(14):169.
LI Hong-ying.Effects of Potassium Fertilizer on Quality,Yield and Economic Benefit of Chinese Onion in Plastic Greenhouses[J].Northern Horticulture,2014,38(14):169.
[2]吴晓丽,马婷慧,郝永祯.宁南山区肥料施用量对设施辣椒产量的影响[J].北方园艺,2013,37(02):43.
WU Xiao-li,MA Ting-hui,HAO Yong-zhen.Effects of Fertilization on Facilities Pepper Yield in the South of Ningxia[J].Northern Horticulture,2013,37(14):43.
备注/Memo
第一作者简介：王丽（1980-），女，硕士，农艺师，现主要从事设施蔬菜高效栽培等研究工作。E-mail：547256716@qq.com.基金项目：宁夏农业综合开发资助项目（YCKJ1408，YCKJ1405）。