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Effect of Mineral Powder on Chemical Property of Seedling  Substrate Produced From Agricultural Waste(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年11
Page:
170-174
Research Field:
Publishing date:

Info

Title:
Effect of Mineral Powder on Chemical Property of Seedling  Substrate Produced From Agricultural Waste
Author(s):
LIU Dan1; ZHANG Xia1; CHAI Xiaoyuan1; ZHAO Shixiang1; LI Zhonghui1; WANG Xudong1; 2
(1.College of Resources and Environment,Northwest A & F University,Yangling,Shannxi 712100;2.Key Laboratory of Plant Nutrition and Agri-Environment in Northwest China,Ministry of Agriculture,Yangling,Shannxi 712100)
Keywords:
agricultural wastes; seedling substrate; mineral powder; Brassica chinensis L.; germination rate; root activity
PACS:
-
DOI:
10.11937/bfyy.201711036
Abstract:
The seedling substrate produced from agricultural waste (straw,livestock manure,etc.) rather than peat has high content of small molecule organic acid and ammonium salt.This property could affect seed generation and seedling growth.To reduce this side effect,the substrate which the main raw material of fungus chaff,sawdust and poultry manure,produced by a company in Yangling was used as the main material.And the chemical property of substrate was changed by adding different percent of a certain kind of mineral powder in order to study its influence on the chemical property of seedling substrate,the germination and physiological indexes of Brassica chinensis L. The results showed that adding mineral powder to the substrate can increase the pH of media,while decrease the ratio of NH4+-N/NO3--N and the content of butyric acid.When the addition ratio was 7%,the seed germination rate,germination potential,germination index,root activity and chlorophyll content of Brassica chinensis L.were increased significantly by 35%,22.87%,34.6%,70.2%,32.1% respectively,in comparison with the substrate without any mineral power.

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Last Update: 2017-06-16