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土壤渗透剂对番茄生长发育的影响

作  者:
王亮亮;宋伟杰;高志山;宋涛
单  位:
金正大生态工程集团股份有限公司;农业部植物营养与新型肥料创制重点实验室;养分资源高效开发与综合利用国家重点实验室
关键词:
渗透剂;保水;番茄;根系活力
摘  要:
通过在盆栽番茄中施用不同浓度土壤渗透剂,研究渗透剂对土壤保水性能及番茄生长发育的影响。结果表明,施用不同浓度渗透剂比对照都加快了水分的渗透速率,且渗透剂施用浓度为0. 6~1. 2 g/t棕壤土时具有一定的保水性能;不同浓度渗透剂对番茄叶片叶绿素含量(SPAD值)、株高、茎粗、根系活力、根系鲜重、干重及地上部鲜重、干重的增加均有不同程度的促进作用,但均在渗透剂浓度为1. 2 g/t棕壤土时达到最大值,表明渗透剂不仅具有保水性能,同时还能提升番茄各生长指标,促进番茄生长健壮,具有进一步研究价值。
译  名:
Effects of soil penetrating agent on tomato growth
作  者:
WANG Liang-liang;SONG Wei-jie;GAO Zhi-shan;SONG Tao;Kingenta Ecological Engineering Group Co.Ltd.;State Key Laboratory of Nutrition Resources Integrated Utilization;Key Laboratory of Plant Nutrition and New Fertilizer Research and Development,Ministry of Agriculture;
单  位:
WANG Liang-liang%SONG Wei-jie%GAO Zhi-shan%SONG Tao%Kingenta Ecological Engineering Group Co.Ltd.%State Key Laboratory of Nutrition Resources Integrated Utilization%Key Laboratory of Plant Nutrition and New Fertilizer Research and Development,Ministry of Agriculture
关键词:
penetrating agent;;water retention;;tomato;;root activity
摘  要:
The effects of soil water preservation and growth of tomato in pot experiment were studied by using different concentrations of soil penetrating agents. The results showed that: application of four concentrations of soil penetrating agents all accelerated the permeation rate of water,penetrating agent also played a role in the retention of water with the concentration between 0. 6 ~ 1. 2 g/t brown soil. Different concentrations of penetrating agents also promoted chlorophyll content( SPAD value)of tomato leaves,plant height,stem diameter,root activity,dry and fresh weight of root and shoot. All the above tomato growth indexes reached the maximum when the soil penetrating agent concentrations was 1. 2 g/t brown soil. In a word,application of soil penetrating agents could not only possess water retention property,but also promote tomato growth. Therefore,penetrating agent has the value of further research.

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