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Communications in Soil Science and Plant Analysis Volume 44, 2013 - Issue 22
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Original Articles

Effects of Biogas Slurry Irrigation on Growth, Photosynthesis, and Nutrient Status of Perilla frutescens Seedlings

Chunming Xu Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University, Beijing, ChinaCorrespondence[email protected]
,
Yuan Tian Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University, Beijing, China
,
Yingxue Sun Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University, Beijing, China
&
Liming Dong Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University, Beijing, China
Pages 3381-3390 | Received 05 Dec 2011, Accepted 07 Feb 2012, Published online: 02 Dec 2013
 
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Abstract

Using biological decomposition of plants in an agroecology system is a good method to reduce biogas slurry pollutions. The effects of biogas slurry irrigation on the growth, photosynthesis, and nutrient status of Perilla frutescens seedlings were investigated. The results indicated that biogas slurry irrigation caused a marked increase in plant height, root length, biomass of shoot and root, photosynthetic pigment content, net photosynthetic rate, transpiration rate, stomatal conductance, intercellular carbon dioxide (CO2) concentration, and water-use efficiency. Biogas slurry irrigation changed the concentration of nutrient elements of various organs.

Acknowledgment

This work was supported by the National Science and Technology Support Program of China (Program No. 2009BADC2B04-04).

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