Abstract
In order to explore suitable mode of high yield cultivation of double cropping soybean after wheat under drip irrigation in northern Xinjiang, field trials were set in 2013-2014 to investigate physiological indices and agronomic traits of double cropping soybean under different tillage methods under drip irrigation. The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite. LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%. TP enhanced the photosynthetic efficiency of soybean and improved the ability of CO₂assimilation, consequently leading to the increase of soybean yield under TP compared to NT. The plant dry matter accumulation of TP treatment was improved greatly, with the pod number and seeds number per plant, 100-seed mass and yield of quadric sowing soybean being increased by 50.3%, 48.1%, 11.8% and 20.8% compared with that under NT, and the differences were significant. Therefore, the plastic film mulching combined with tillage under drip irrigation technology was suitable for double cropping soybean after wheat in northern Xinjiang under this experimental condition.
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Claims 14
Claim · model-written summary
Under tillage plus film covering (TP), LAI was 55.0% higher than under no-tillage (NT).
- Taxon
- soybean
Glycine maxt0 - Treatment
- tillage plus film covering (TP)e1
- Outcome
- leaf area index (LAI)e1
- Direction
- highere2
- Value
- 55.0%e2
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
e2“LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%”
Claim · model-written summary
Under TP, chlorophyll content (SPAD) was 9.1% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- chlorophyll content (SPAD)e1
- Direction
- highere2
- Value
- 9.1%e2
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
e2“LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%”
Claim · model-written summary
Under TP, leaf net photosynthetic rate (Pn) was 41.8% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- leaf net photosynthetic rate (Pn)e1
- Direction
- highere2
- Value
- 41.8%e2
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
e2“LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%”
Claim · model-written summary
Under TP, transpiration rate (Tr) was 37.5% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- transpiration rate (Tr)e1
- Direction
- highere2
- Value
- 37.5%e2
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
e2“LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%”
Claim · model-written summary
Under TP, stomatal conductance (g(s)) was 56.4% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- stomatal conductance (g(s))e1
- Direction
- highere2
- Value
- 56.4%e2
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
e2“LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%”
Claim · model-written summary
Under TP, intercellular CO2 concentration (Ci) was 22.1% lower than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- Cie2
- Direction
- decreasede2
- Value
- 22.1%e2
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
e2“LAI, SPAD, Pn, Tr, and g(s) of TP were higher than that with NT by 55.0%, 9.1%, 41.8%, 37.5% and 56.4%, respectively, and Ci was decreased by 22.1%”
Claim · model-written summary
Under the tillage methods, LAI, SPAD and Pn were in the order TP > tillage > rotary tillage > NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn)e1
- Direction
- higherinferrede1
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
Claim · model-written summary
Under the tillage methods, transpiration rate and stomatal conductance were in the order TP > tillage > rotary tillage > NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- tillage plus film covering (TP)e1
- Outcome
- transpiration rate (Tr) and stomatal conductance (g(s))e1
- Direction
- higherinferrede1
- Comparator
- no-tillage (NT)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e1“The results showed that leaf area index (LAI), chlorophyll content (SPAD), leaf net photosynthetic rate (Pn), transpiration rate (Tr) and stomatal conductance (g(s)) during the determination period under different tillage methods were in the order of tillage plus film covering (TP)> tillage (T)> rotary tillage (RT) > no-tillage (NT) , and the concentration of intercellular CO₂(Ci) was the opposite.”
Claim · model-written summary
Under TP, pod number per plant was 50.3% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- TP treatmente3
- Outcome
- pod numbere3
- Direction
- increasede3
- Value
- 50.3%e3
- Comparator
- NTe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e3“The plant dry matter accumulation of TP treatment was improved greatly, with the pod number and seeds number per plant, 100-seed mass and yield of quadric sowing soybean being increased by 50.3%, 48.1%, 11.8% and 20.8% compared with that under NT, and the differences were significant”
Claim · model-written summary
Under TP, seed number per plant was 48.1% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- TP treatmente3
- Outcome
- seeds number per plante3
- Direction
- increasede3
- Value
- 48.1%e3
- Comparator
- NTe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e3“The plant dry matter accumulation of TP treatment was improved greatly, with the pod number and seeds number per plant, 100-seed mass and yield of quadric sowing soybean being increased by 50.3%, 48.1%, 11.8% and 20.8% compared with that under NT, and the differences were significant”
Claim · model-written summary
Under TP, 100-seed mass was 11.8% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- TP treatmente3
- Outcome
- 100-seed masse3
- Direction
- increasede3
- Value
- 11.8%e3
- Comparator
- NTe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e3“The plant dry matter accumulation of TP treatment was improved greatly, with the pod number and seeds number per plant, 100-seed mass and yield of quadric sowing soybean being increased by 50.3%, 48.1%, 11.8% and 20.8% compared with that under NT, and the differences were significant”
Claim · model-written summary
Under TP, yield of double cropping soybean was 20.8% higher than under NT.
- Taxon
- soybeanGlycine maxt0
- Treatment
- TP treatmente3
- Outcome
- yielde3
- Direction
- increasede3
- Value
- 20.8%e3
- Comparator
- NTe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e3“The plant dry matter accumulation of TP treatment was improved greatly, with the pod number and seeds number per plant, 100-seed mass and yield of quadric sowing soybean being increased by 50.3%, 48.1%, 11.8% and 20.8% compared with that under NT, and the differences were significant”
Claim · model-written summary
Under TP, plant dry matter accumulation was improved greatly.
- Taxon
- soybeanGlycine maxt0
- Treatment
- TP treatmente3
- Outcome
- plant dry matter accumulatione3
- Direction
- improvede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e3“The plant dry matter accumulation of TP treatment was improved greatly, with the pod number and seeds number per plant, 100-seed mass and yield of quadric sowing soybean being increased by 50.3%, 48.1%, 11.8% and 20.8% compared with that under NT, and the differences were significant”
Claim · model-written summary
Plastic film mulching combined with tillage under drip irrigation is suitable for double cropping soybean after wheat in northern Xinjiang under the experimental conditions.
- Taxon
- soybeanGlycine maxt0
- Outcome
- plastic film mulching combined with tillage under drip irrigation technologye4
- Setting
- northern Xinjiange4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“double cropping soybean”
e4“Therefore, the plastic film mulching combined with tillage under drip irrigation technology was suitable for double cropping soybean after wheat in northern Xinjiang under this experimental condition”
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