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Comparative Study of Two Organic Vegetables’Characteristics of Soil Respiration During Full Fruit Period(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年13
Page:
21-25
Research Field:
Publishing date:

Info

Title:
Comparative Study of Two Organic Vegetables’Characteristics of Soil Respiration During Full Fruit Period
Author(s):
WU Dan-na1;  JIANG Hong1; 2; 3; HUANG He-feng1; YUAN Jian3
1.Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration, Zhejiang Agriculture and Forestry University, Lin’an, Zhejiang 311300;2.International Institute for Earth System Sciense,Nanjing University,Nanjing，Jiangsu 210093；3.Shanghai Tonys Agricultural Development Ltd，Shanghai 201311
Keywords:
organic; soil respiration rate; full fruit period
PACS:
S 641
DOI:
10.11937/bfyy.201513006
Abstract:
Taking ‘Biyu’ cucumber and ‘Xinpimchunbao’ cowpea as test materials，the variation of soil respiration of the organic cucumber and cowpea during full fruit period were studied，experiments conducted in the greenhouse monitoring the soil respiration.The results showed that，under the same premise of field management，the average of cucumber soil respiration was higher than that of cowpea，respectively 1.27 μmol.m-2.s-1 and 0.83 μmol.m-2.s-1. Overall，the relationship between soil respiration rate and soil temperature，humidity，air temperature and humidity of cucumber was contrary to the results of cowpea.However，regression equations showed that the relationship between soil respiration rate and the changes of soil 5 cm temperature and atmospheric temperature of cucumber and cowpea were significant index correlations（P<0.01）.And the relationship between soil respiration rate and soil moisture and atmospheric humidity of cucumber and cowpea were significant linear correlations（P<0.05）.The correlation between soil respiration rate and atmospheric pressure strong of cucumber was not significant（P>0.05), while，that of cowpea was positively correlated，but the correlation was not significant.

References:

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Last Update: 2015-08-18