|Table of Contents|

Effects of Pearlite Particle Size on Growth of Enclosed Inorganic Substrate Cultivated Tomato

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年23
Page:
12-19
Research Field:
Publishing date:

Info

Title:
Effects of Pearlite Particle Size on Growth of Enclosed Inorganic Substrate Cultivated Tomato
Author(s):
LI Yanyan1; 2; WU Zhanhui3; 4; LIU Mingchi3; 4; WANG Liping2; WANG Baoju3; 4; JI Yanhai3; 4
(1.Handan Academy of Agricultural Sciences,Handan,Hebei 056001;2.College of Landscape and Ecological Engineering,Hebei University of Engineering,Handan,Hebei 056038;3.Research Center for Vegetables,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100097;4.Key Laboratory of North China Urban Agriculture,Ministry of Agriculture and Rural Affairs,Beijing 100097)
Keywords:
perlite; particle size; grown substrate; tomato; quality
PACS:
-
DOI:
10.11937/bfyy.20191470
Abstract:
In order to screen perlite matrix suitable for enclosed inorganic matrix in-cell culture system,perlite particle size ratio was studied in greenhouse of vegetable center.Setting seven matrix formulations composed of three kinds of perlite particle sizes larger than 4 mm,2-4 mm and smaller than 2 mm in different proportions.Taking the garden perlite as CK in the market,the physical and chemical properties of the matrix formula and its influence on the growth,quality and yield of tomato were studied.The results showed that the water holding capacity,aerated porosity and pore size ratio of perlite grain size ratio increased with the increase of large grain size content.The bulk density and water holding pores decreased with the increase of the content of large particle size.The treatments with particle size Larger than 4 mm,2-4 mm and smaller than 2 mm as 3∶4∶3 improved plant height,leaf number,fruit quality and yield.The experiment showed that the perlite with particle size larger than 4 mm,2-4 mm and smaller than 2 mm were treated as 3∶4∶3,which was suitable for tomato cultivation substrate of this system.

References:

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Last Update: 2019-12-18