|Table of Contents|

Effect of Biochar on Physical and Chemical Properties of Glutinous Sandstone and Sand Compound Soil and Growth of Pepper

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年05
Page:
80-86
Research Field:
Publishing date:

Info

Title:
Effect of Biochar on Physical and Chemical Properties of Glutinous Sandstone and Sand Compound Soil and Growth of Pepper
Author(s):
SHU Xiaoxiao1; 2; 3; 4; WANG Huanyuan1; 2; 3; 4
(1.Institute of Land Engineering and Technology，Shaanxi Provincial Land Engineering Construction Group Co.Ltd.,Xi′an，Shaanxi 710075；2.Shaanxi Provincial Land Engineering Construction Group Co.Ltd.，Xi′an，Shaanxi 710075;3.Key Laboratory of Degraded and Unused Land Consolidation Engineering，the Ministry of Natural and Resources，Xi′an，Shaanxi 710075;4.Shaanxi Provincial Land Consolidation Engineering Technology Research Center，Xi′an，Shaanxi 710075)
Keywords:
biochar; glutinous sandstone; compound soil; pepper
PACS:
-
DOI:
10.11937/bfyy.20192330
Abstract:
This research explored the effect of biochar on soil fertility and crop growth of compound soil formed by glutinous sandstone and sand.Through pot experiments，the effects and rules of different amounts of biochar on the biological characteristics，yield and physical and chemical properties of peppers were studied.The results showed that when the proportion of compound soil was 1∶1，the fresh and dry quality of stems and leaves in A2 treatment increased by 81.4% and 80.5%，the length and stem thick of single fruit increased by 15.1% and 21.0% respectively，and the available phosphorus content of soil increased by 11.08 mg·kg-1,it had little effect on soil pH and total salt content.When the proportion of compound soil was 1∶2，the fresh and dry quality of fruits in B2 treatment increased by 39.7% and 40.2%，the fresh and dry quality of stems and leaves increased by 28.1% and 29.5% respectively,and the fresh and dry quality of roots increased by 35.0% and 22.0%，the length and stem thick of single fruit increased by 12.1% and 13.0%，number of results per plant increased by 119.8%，the yield was the highest while soil pH and salinity changed little.When the compound soil was 1∶5，the addition of biochar inhibits the growth and yield accumulation of pepper.Therefore，it was recommended that the amount of biochar added in the compound soil of 1∶1 and 1∶2 was 2%，and the compound soil of 1∶5 was not recommended to apply biochar，under the conditions of this experiment.

References:

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Last Update: 2020-04-23