Effect of Different Concentrations of Potassium Dihydrogen Phosphate Irrigation and Fertilize on Tomato Seedling(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年23期

Page:

27-29

Research Field:

Publishing date:

Info

Title:

Effect of Different Concentrations of Potassium Dihydrogen Phosphate Irrigation and Fertilize on Tomato Seedling

Author(s):

LIU Chao-gui¹; XU Jian²; YANG Jing¹; ZHAO Jin-feng¹; ZOU Li¹

1.School of Horticulture and Landscape Architecture，Southwest University，Chongqing 400716；

2.Chongqing Medical and Pharmaceutical College,Chongqing 401331

Keywords:

potassium dihydrogen phosphate; tomato seedling; physiological and biochemical

PACS:

S 641.206+.2

DOI:

-

Abstract:

Taking ‘Cooperative 903’ tomato as experimental material，effect of soil applications of different concentration of potassium dihydrogen phosphate on tomato seedling physiological and biochemical such as soluble protein content，chlorophyll content，catalase activity were studied.The effect of application of potassium dihydrogen phosphate in soil on improving stress tolerance and physiological activity of tomato seedling were discussed.The results showed that soluble protein content showed from little to much in potassium dihydrogen phosphate of 2%-4%，showed from much to little of 4%-6%；chlorophyll content had no significant change in potassium dihydrogen phosphate of 2% and 4% concentrations，in 6% concentration rapidly became smaller；catalase activity decreased with the increasing of potassium dihydrogen phosphate concentration.Based on comprehensive analysis of different processing of a variety of indicators conclusion that concentration between 2% and 4% of potassium dihydrogen phosphate soil fertilization was advisable.

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