Abstract
【Objective】 The experiment was done to study the effects of different fertilization treatments on yield of cucumber and the soil nitrate-N content in solar greenhouse in order to supply theoretical basis for porper fertilization of cucumber cultivated in solar greenhouse.【Method】 The experiment chose two solar greenhouses and each with 5 treatments:control treatment(CK) with no inorganic fertilizer;optimum fertilization treatment(OPT)(Solar greenhouse 1,N 675 kg/hm2,P2O5 171 kg/hm2,K2O 810 kg/hm2;Solar greenhouse 2,N 788 kg/hm2,P2O5 200 kg/hm2,K2O 945 kg/hm2);50%OPT,the amount of N was 50% of OPT and the amounts of P2O5,K2O were similar to that of OPT;150%OPT,the amount of N was 150% of OPT and the amounts of P2O5,K2O were similar to that of OPT,farmer practice(FP)(Solar greenhouse 1,N 848 kg/hm2,P2O5 277 kg/hm2,K2O 1 307 kg/hm2;Solar greenhouse 2,N 884 kg/hm2,P2O5 338 kg/hm2,K2O 1 249 kg/hm2).The soil NO-3-N content,cucumber yield,dry matter,N use and N agronomy efficiency were measured.【Result】 The soil NO-3-N average content of 150% in solar greenhoure 1 and solar greenhouse 2 was 10.0% and 20.0% higher than that of OPT.Cucumber yield(135 and 169 t/hm2) of OPT in solar greenhouse 1 and solar greenhouse 2 was the most,61.1% and 8.0%,24.5% and 4.8% higher than that of to CK,50%N.The amount of dry matter(5.6 and 10.3 t/hm2),N use efficiency(8.8% and 16.8%)and N agronomy efficiency(76 and 16 kg/kg) of OPT in solar greenhouse 1 and solar greenhouse 2 were the most.The amount of dry matter in OPT was 17.9% and 43.1%,3.0% and 34.3% higher than the CK,50%N.Cucumber yield was 14.9%,2.1% lower than that of OPT,N use efficiency 76.1% and 67.3% lower than that of OPT and N agronomy efficiency 56.2%,52.5% lower than that of OPT of 150%N treatment for solar greenhouse 1 and solar greenhouse 2.【Conclusion】 The optimum nitrogen is 675-788 kg/hm2 when the target yields of cucumber in solar greenhouse are 120-140 t/hm2,which can obtain the best economic benefit and output.
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Claims 20
Claim · model-written summary
Soil nitrate-N average content under the 150% N treatment in solar greenhouse 1 was 10.0% higher than under optimum fertilization (OPT) in cucumber production.
- Taxon
- cucumber
Cucumis sativust0 - Treatment
- 150%e0
- Outcome
- soil NO-3-N average contente0
- Direction
- highere0
- Value
- 10.0%e0
- Comparator
- OPTe0
- Setting
- solar greenhoure 1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil NO-3-N average content of 150% in solar greenhoure 1 and solar greenhouse 2 was 10.0% and 20.0% higher than that of OPT”
t0“cucumber”
Claim · model-written summary
Soil nitrate-N average content under the 150% N treatment in solar greenhouse 2 was 20.0% higher than under optimum fertilization (OPT) in cucumber production.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%e0
- Outcome
- soil NO-3-N average contente0
- Direction
- highere0
- Value
- 20.0%e0
- Comparator
- OPTe0
- Setting
- solar greenhouse 2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil NO-3-N average content of 150% in solar greenhoure 1 and solar greenhouse 2 was 10.0% and 20.0% higher than that of OPT”
t0“cucumber”
Claim · model-written summary
Cucumber yield under optimum fertilization (OPT) in solar greenhouse 1 was 61.1% higher than under CK.
- Taxon
- CucumberCucumis sativuse1
- Treatment
- OPTe1
- Outcome
- Cucumber yielde1
- Direction
- highere1
- Value
- 61.1%e1
- Comparator
- CKe1
- Setting
- solar greenhouse 1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Cucumber yield(135 and 169 t/hm2) of OPT in solar greenhouse 1 and solar greenhouse 2 was the most,61.1% and 8.0%,24.5% and 4.8% higher than that of to CK,50%N”
Claim · model-written summary
Cucumber yield under optimum fertilization (OPT) in solar greenhouse 2 was 8.0% higher than under CK.
- Taxon
- CucumberCucumis sativuse1
- Treatment
- OPTe1
- Outcome
- Cucumber yielde1
- Direction
- highere1
- Value
- 8.0%e1
- Comparator
- CKe1
- Setting
- solar greenhouse 2e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Cucumber yield(135 and 169 t/hm2) of OPT in solar greenhouse 1 and solar greenhouse 2 was the most,61.1% and 8.0%,24.5% and 4.8% higher than that of to CK,50%N”
Claim · model-written summary
Cucumber yield under optimum fertilization (OPT) in solar greenhouse 1 was 24.5% higher than under 50%N.
- Taxon
- CucumberCucumis sativuse1
- Treatment
- OPTe1
- Outcome
- Cucumber yielde1
- Direction
- highere1
- Value
- 24.5%e1
- Comparator
- 50%Ne1
- Setting
- solar greenhouse 1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Cucumber yield(135 and 169 t/hm2) of OPT in solar greenhouse 1 and solar greenhouse 2 was the most,61.1% and 8.0%,24.5% and 4.8% higher than that of to CK,50%N”
Claim · model-written summary
Cucumber yield under optimum fertilization (OPT) in solar greenhouse 2 was 4.8% higher than under 50%N.
- Taxon
- CucumberCucumis sativuse1
- Treatment
- OPTe1
- Outcome
- Cucumber yielde1
- Direction
- highere1
- Value
- 4.8%e1
- Comparator
- 50%Ne1
- Setting
- solar greenhouse 2e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Cucumber yield(135 and 169 t/hm2) of OPT in solar greenhouse 1 and solar greenhouse 2 was the most,61.1% and 8.0%,24.5% and 4.8% higher than that of to CK,50%N”
Claim · model-written summary
Dry matter amount in OPT cucumber was 17.9% higher than in CK (solar greenhouse 1).
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe2
- Outcome
- dry mattere2
- Direction
- highere2
- Value
- 17.9%e2
- Comparator
- CKe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The amount of dry matter in OPT was 17.9% and 43.1%,3.0% and 34.3% higher than the CK,50%N”
t0“cucumber”
Claim · model-written summary
Dry matter amount in OPT cucumber was 43.1% higher than in CK (solar greenhouse 2).
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe2
- Outcome
- dry mattere2
- Direction
- highere2
- Value
- 43.1%e2
- Comparator
- CKe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The amount of dry matter in OPT was 17.9% and 43.1%,3.0% and 34.3% higher than the CK,50%N”
t0“cucumber”
Claim · model-written summary
Dry matter amount in OPT cucumber was 3.0% higher than in 50%N (solar greenhouse 1).
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe2
- Outcome
- dry mattere2
- Direction
- highere2
- Value
- 3.0%e2
- Comparator
- 50%Ne2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The amount of dry matter in OPT was 17.9% and 43.1%,3.0% and 34.3% higher than the CK,50%N”
t0“cucumber”
Claim · model-written summary
Dry matter amount in OPT cucumber was 34.3% higher than in 50%N (solar greenhouse 2).
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe2
- Outcome
- dry mattere2
- Direction
- highere2
- Value
- 34.3%e2
- Comparator
- 50%Ne2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The amount of dry matter in OPT was 17.9% and 43.1%,3.0% and 34.3% higher than the CK,50%N”
t0“cucumber”
Claim · model-written summary
OPT gave the highest dry matter amount (5.6 and 10.3 t/hm2) in solar greenhouses 1 and 2.
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe3
- Outcome
- dry mattere3
- Direction
- the moste3
- Value
- 5.6 and 10.3 t/hm2e3
- Setting
- solar greenhouse 1 and solar greenhouse 2e3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The amount of dry matter(5.6 and 10.3 t/hm2),N use efficiency(8.8% and 16.8%)and N agronomy efficiency(76 and 16 kg/kg) of OPT in solar greenhouse 1 and solar greenhouse 2 were the most”
t0“cucumber”
Claim · model-written summary
OPT gave the highest N use efficiency (8.8% and 16.8%) in solar greenhouses 1 and 2.
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe3
- Outcome
- N use efficiencye3
- Direction
- the moste3
- Value
- 8.8% and 16.8%e3
- Setting
- solar greenhouse 1 and solar greenhouse 2e3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The amount of dry matter(5.6 and 10.3 t/hm2),N use efficiency(8.8% and 16.8%)and N agronomy efficiency(76 and 16 kg/kg) of OPT in solar greenhouse 1 and solar greenhouse 2 were the most”
t0“cucumber”
Claim · model-written summary
OPT gave the highest N agronomy efficiency (76 and 16 kg/kg) in solar greenhouses 1 and 2.
- Taxon
- cucumberCucumis sativust0
- Treatment
- OPTe3
- Outcome
- N agronomy efficiencye3
- Direction
- the moste3
- Value
- 76 and 16 kg/kge3
- Setting
- solar greenhouse 1 and solar greenhouse 2e3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The amount of dry matter(5.6 and 10.3 t/hm2),N use efficiency(8.8% and 16.8%)and N agronomy efficiency(76 and 16 kg/kg) of OPT in solar greenhouse 1 and solar greenhouse 2 were the most”
t0“cucumber”
Claim · model-written summary
Cucumber yield under 150%N in solar greenhouse 1 was 14.9% lower than under OPT.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%N treatmente5
- Outcome
- Cucumber yielde4
- Direction
- lowerinferrede4
- Value
- 14.9%e4
- Comparator
- OPTe4
- Setting
- solar greenhouse 1e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Cucumber yield was 14.9%,2.1% lower than that of OPT”
e5“150%N treatment for solar greenhouse 1 and solar greenhouse 2”
t0“cucumber”
Claim · model-written summary
Cucumber yield under 150%N in solar greenhouse 2 was 2.1% lower than under OPT.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%N treatmente5
- Outcome
- Cucumber yielde4
- Direction
- lowerinferrede4
- Value
- 2.1%e4
- Comparator
- OPTe4
- Setting
- solar greenhouse 2e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Cucumber yield was 14.9%,2.1% lower than that of OPT”
e5“150%N treatment for solar greenhouse 1 and solar greenhouse 2”
t0“cucumber”
Claim · model-written summary
N use efficiency under 150%N in solar greenhouse 1 was 76.1% lower than under OPT.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%N treatmente5
- Outcome
- N use efficiencye4
- Direction
- lowerinferrede4
- Value
- 76.1%e4
- Comparator
- OPTe4
- Setting
- solar greenhouse 1e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“N use efficiency 76.1% and 67.3% lower than that of OPT”
e5“150%N treatment for solar greenhouse 1 and solar greenhouse 2”
t0“cucumber”
Claim · model-written summary
N use efficiency under 150%N in solar greenhouse 2 was 67.3% lower than under OPT.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%N treatmente5
- Outcome
- N use efficiencye4
- Direction
- lowerinferrede4
- Value
- 67.3%e4
- Comparator
- OPTe4
- Setting
- solar greenhouse 2e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“N use efficiency 76.1% and 67.3% lower than that of OPT”
e5“150%N treatment for solar greenhouse 1 and solar greenhouse 2”
t0“cucumber”
Claim · model-written summary
N agronomy efficiency under 150%N in solar greenhouse 1 was 56.2% lower than under OPT.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%N treatmente5
- Outcome
- N agronomy efficiencye4
- Direction
- lowerinferrede4
- Value
- 56.2%e4
- Comparator
- OPTe4
- Setting
- solar greenhouse 1e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“N agronomy efficiency 56.2%,52.5% lower than that of OPT”
e5“150%N treatment for solar greenhouse 1 and solar greenhouse 2”
t0“cucumber”
Claim · model-written summary
N agronomy efficiency under 150%N in solar greenhouse 2 was 52.5% lower than under OPT.
- Taxon
- cucumberCucumis sativust0
- Treatment
- 150%N treatmente5
- Outcome
- N agronomy efficiencye4
- Direction
- lowerinferrede4
- Value
- 52.5%e4
- Comparator
- OPTe4
- Setting
- solar greenhouse 2e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“N agronomy efficiency 56.2%,52.5% lower than that of OPT”
e5“150%N treatment for solar greenhouse 1 and solar greenhouse 2”
t0“cucumber”
Claim · model-written summary
The authors conclude the optimum nitrogen is 675-788 kg/hm2 for cucumber in solar greenhouses with target yields of 120-140 t/hm2.
- Taxon
- cucumberCucumis sativuse6
- Outcome
- optimum nitrogene6
- Qualifier
- 120-140 t/hm2e6
- Setting
- solar greenhousee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The optimum nitrogen is 675-788 kg/hm2 when the target yields of cucumber in solar greenhouse are 120-140 t/hm2”
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