Abstract
In order to research the effects of different control measures on soil microbial diversity by Biolog, the greenhouse soils of cucumber cultivated in Shouguang City, Shandong Prorince were collected and the relationship between the soils and yield and quality of cucumber was investigated. The results showed that, the average well color development (AWCD) of returning straw to field (RS) was the highest and that of no fertilizer (CK) was the lowest. The activity of microbe was vigorous at the time of cultivation of 72 h and AWCD of treatments ranged from 0.494 to 0.881. AWCD of RS was 1.3 times than that of conventional fertilization (CF) and the difference reached significant level at the moment. However, AWCD of drip irrigation (DI) was lower slightly than that of CF. Soil microbial diversity changed in different treatments.CF had the lowest Shannon index(H)and Substrate evenness(E), but these two indices increased significantly through the application of RS and DI. Principal component analysis showed that carbon utilization by soil microbial communities also changed in different treatments. RS concentrated in the positive direction of the first principal component and the score coefficients ranged from 4.91 to 5.50. Conversely, others concentrated in the negative direction and the score coefficients ranged from-3.26 to-0.18. Compared with CF, cucumber yield and quality of RS and DI treatments had no significant changes. Simpson′s dominance (Ds) and Substrate richness(S)were positively correlated with cucumber yield, Vc and soluble sugar content. Comprehensive consideration, RS was more helpful to improve the soil micro-ecological envrion-ment than DI. Therefore, future research of RS is necessary for sustainable development of installation agriculture.
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Claims 6
Claim · model-written summary
Returning straw to the field gave the highest soil microbial activity (AWCD), and no fertilizer gave the lowest.
- Taxon
- cucumber
Cucumis sativuse7 - Treatment
- returning straw to field (RS)e1
- Outcome
- average well color development (AWCD)e1
- Direction
- higheste1
- Comparator
- no fertilizer (CK)e1
- Setting
- Shouguang City, Shandong Prorincee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the greenhouse soils of cucumber cultivated in Shouguang City, Shandong Prorince”
e1“the average well color development (AWCD) of returning straw to field (RS) was the highest and that of no fertilizer (CK) was the lowest”
Claim · model-written summary
AWCD under returning straw was 1.3 times that under conventional fertilization, a significant difference.
- Taxon
- cucumberCucumis sativuse7
- Treatment
- RSe2
- Outcome
- AWCDe2
- Direction
- higherinferrede2
- Value
- 1.3 timese2
- Comparator
- conventional fertilization (CF)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the greenhouse soils of cucumber cultivated in Shouguang City, Shandong Prorince”
e2“AWCD of RS was 1.3 times than that of conventional fertilization (CF) and the difference reached significant level at the moment”
Claim · model-written summary
Straw return and drip irrigation increased the Shannon index and substrate evenness relative to conventional fertilization.
- Taxon
- cucumberCucumis sativuse7
- Treatment
- application of RS and DIe3
- Outcome
- Shannon index(H)and Substrate evenness(E)e3
- Direction
- increasede3
- Comparator
- CFe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the greenhouse soils of cucumber cultivated in Shouguang City, Shandong Prorince”
e3“CF had the lowest Shannon index(H)and Substrate evenness(E), but these two indices increased significantly through the application of RS and DI”
Claim · model-written summary
Straw return and drip irrigation did not significantly change cucumber yield and quality compared with conventional fertilization.
- Taxon
- cucumberCucumis sativuse4
- Treatment
- RS and DI treatmentse4
- Outcome
- cucumber yield and qualitye4
- Direction
- no significant changese4
- Comparator
- CFe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the greenhouse soils of cucumber cultivated in Shouguang City, Shandong Prorince”
e4“Compared with CF, cucumber yield and quality of RS and DI treatments had no significant changes”
Claim · model-written summary
Simpson dominance and substrate richness were positively correlated with cucumber yield, Vc and soluble sugar content.
- Taxon
- cucumberCucumis sativuse5
- Treatment
- Simpson′s dominance (Ds) and Substrate richness(S)e5
- Outcome
- cucumber yield, Vc and soluble sugar contente5
- Direction
- positively correlatede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Simpson′s dominance (Ds) and Substrate richness(S)were positively correlated with cucumber yield, Vc and soluble sugar content”
Claim · model-written summary
Straw return was more helpful than drip irrigation for improving the soil micro-ecological environment.
- Taxon
- cucumberCucumis sativuse7
- Treatment
- RSe6
- Outcome
- soil micro-ecological envrion-mente6
- Direction
- more helpful to improvee6
- Comparator
- DIe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the greenhouse soils of cucumber cultivated in Shouguang City, Shandong Prorince”
e6“RS was more helpful to improve the soil micro-ecological envrion-ment than DI”
The same questions in other papers
irrigation · quality: general · Cucumis sativus (cucumber)Positive and negative results
8 reporting no difference from an alternative
- positive
- positive
- positive
5 papers more in this group
See all 9 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.