|Table of Contents|

Influence of Applying Biochar on Soil Available Nutrients and Soil Moisture at Continuous Vegetation Plantations of Karst Hilly Areas(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年07期
Page:
158-162
Research Field:
Publishing date:

Info

Title:
Influence of Applying Biochar on Soil Available Nutrients and Soil Moisture at Continuous Vegetation Plantations of Karst Hilly Areas
Author(s):
LIU Fang; FENG Shi-jiang; ZHANG Lei-yi; LIU Yuan-sheng
Institute of Environment and Resource,Guizhou University,Guiyang,Guizhou 550025
Keywords:
continuous vegetation plantations; biochar; soil nutrient; soil moisture
PACS:
S 344.4
DOI:
-
Abstract:
Taking soil that vegetables and corn grew in Guiyang suburbs as the object,using biochar as material,the effect of applying biochar on soil available nutrients and soil water were explored.The results showed that soil available phosphorus was significantly increased under continuous vegetation plantations.Applying biochar could mainly increased soil available potassium,followed by available nitrogen.When the amount of applying biochar was increased from 5% to 15%,soil available N,P and K were increased by up to 10.48%~42.85%,3.09%~16.49% and 11.61%~61.02%,respectively；while soil moisture was raised up to 4.5%~14.0%.Covering biochar on surface soil was also increased soil moisture,but the effect was less than applying biochar.

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Last Update: 2014-08-13