|Table of Contents|

Effect of Biomass Charcoal on Growth Characteristics and Quality of Watermelon(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年24
Page:
157-163
Research Field:
Publishing date:

Info

Title:
Effect of Biomass Charcoal on Growth Characteristics and Quality of Watermelon
Author(s):
SUN Zhengguo
（Nantong Agricultural College，Nantong,Jiangsu 226007）
Keywords:
biomass charcoal; watermelon plant; growth characteristics; quality
PACS:
-
DOI:
10.11937/bfyy.201524043
Abstract:
By controlling the fields experiment of cultivation technique to study the responses of growth and photosynthetic physiological characteristics of watermelon to different biomass charcoal addition levels (CK 0 t/hm2，LB 5 t/hm2，MB 10 t/hm2，HB 20 t/hm2).The results showed that biomass charcoal addition stimulated the growth and photosynthetic physiological characteristics of watermelon，the index of photosynthetic physiological characteristics of watermelon were higher than CK，which showed MB＞HN＞LN>CK with biomass charcoal addition，and the larger rangeability was the root area.Biomass charcoal addition decreased the seedlings of non-protective enzyme activity of watermelon and increased the protective enzyme activity，which the protective enzyme activity were first increased and then declined with the increasing biomass charcoal addition，and the non-protective enzyme activity were gradually declined.While high concentrations of biomass charcoal (HB) could cause the cells of watermelon root to lose water and inhibit the activity of enzyme.Biomass charcoal addition increased the pH and decreased the soil electric conductivity of the root area of watermelon.To a certain extent，biomass charcoal had an effect on the accumulation of the soil nutrient and improved soil fertility of the root area of watermelon, but had no effect on the accumulation of P，and the increase of soil potassium was higher than other soil nutrient index.The content of total carbon and total nitrogen of watermelon plant was first increased and then declined with the increasing biomass charcoal addition，the total phosphorus content showed a trend of decrease，and the total potassium was contrary to he total phosphorus.The quality of watermelon was higher with the middle concentrations of biomass charcoal (MB)，while HB could decreased the quality of watermelon.All in all，a certain range of biomass charcoal addition could improve the growth and photosynthetic physiological characteristics of watermelon，and increase soil nutrient and fertility of the root area of watermelon, but that was closely related to soil type，watermelon type，soil fertility and ecological environment.

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Last Update: 2016-02-17