|Table of Contents|

Response of Pepper Yield and Quality to Simultaneous Biochar and Nitrogen Fertilizer Application

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2022年22
Page:
37-43
Research Field:
Publishing date:

Info

Title:
Response of Pepper Yield and Quality to Simultaneous Biochar and Nitrogen Fertilizer Application
Author(s):
CHAI Guanqun; LIU Guihua; WANG Li; LUO Muxinjian; QIN Song; FAN Chengwu
(Institute of Soil and Fertilizer，Guizhou Academy of Agricultural Sciences，Guiyang，Guizhou 550006)
Keywords:
biochar dosage; nitrogen fertilizer form; pepper; yield; quality
PACS:
-
DOI:
10.11937/bfyy.20221655
Abstract:
Pepper variety of ‘Zunla No.9’ was used as experimental materials with the potting experiment in greenhouse.The experiment was designed to have 12 treatments，which was either 180，270，360 mg·kg-1 or 450 mg·kg-1 biochar (B1，B1.5，B2 and B2.5，respectively) with either amide nitrogen，ammonium nitrogen or nitrate nitrogen (UN1，AN1 and NN1,180 mg·kg-1，respectively).By measuring the fresh and dry weight of pepper fruits，amino acids，nitrate，reducing sugar，vitamin C，capsaicin，dihydrocapsaicin，capsaicinoid content，the effects of different treatments on the yield and quality of pepper were compared,in order to provide reference for the development of carbon-based compound fertilizer for pepper.The results showed that there was no interaction between biochar dosage and nitrogen fertilizer form on pepper fruit yield，and the maximum fruit yield of pepper in NN1B2.5 treatment.There were interaction of biochar dosage and nitrogen fertilizer form on amino acid，nitrate，reducing sugar and vitamin C contents of pepper.The highest amino acid content of pepper was NN1B1 treatment.The lowest nitrate content of pepper was UN1B2.5 treatment.The highest reducing sugar content of pepper was NN1B1 treatment and the non-significant difference was between in others and in NN1B2.5 treatment.The highest vitamin C content of pepper was UN1B1 treatment.There were interaction effect of biochar dosage and nitrogen fertilizer form on capsaicin，dihydrocapsaicin，capsaicinoid content.NN1B2.5 treatment had higher capsaicin，dihydrocapsaicin，capsaicinoid content and spiciness.In conclusion，the amount of biochar required to improve different indicators of pepper was different from the nitrogen fertilizer form，but the overall effect of NN1B2.5 treatment was superior.

References:

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Last Update: 2023-01-17