Abstract
The ridge and furrow rainfall harvesting (RFRH) system is used for dryland crop production in northwest of China. To determine the effects of RFRH using different mulching materials on corn growth and water use efficiency (WUE), a field experiment was conducted during 2008–2010 at the Heyang Dryland Experimental Station, China. Four treatments were used in the study. Furrows received uncovered mulching in all RFRH treatments whereas ridges were mulched with plastic film (PF), biodegradable film (BF) or liquid film (LF). A conventional flat field without mulching was used as the control (CK). The results indicated that the average soil water storage at depths of 0–200 cm were 8.2 and 7.3%, respectively higher with PF and BF than with CK. However, LF improved soil water storage during the early growth stage of the crop. Compared with CK, the corn yields with PF and BF were increased by 20.4 and 19.4%, respectively, and WUE with each treatment increased by 23.3 and 21.7%, respectively. There were no significant differences in corn yield or WUE with the PF and BF treatments. The net income was the highest with PF, followed by BF, and the 3-yr average net incomes with these treatments were increased by 2 559 and 2 430 CNY ha−1, respectively, compared with CK. BF and PF had similar effects in enhancing the soil water content, crop yield and net income. Therefore, it can be concluded that biodegradable film may be a sustainable ecological alternative to plastic film for use in the RFRH system in northwest of China.
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Claims 12
Claim · model-written summary
Plastic film mulching raised average soil water storage at 0–200 cm by 8.2% relative to CK.
- Taxon
- corn
Zea mays subsp. mayse2 - Treatment
- plastic film (PF)e0
- Outcome
- average soil water storage at depths of 0–200 cme1
- Direction
- highere1
- Value
- 8.2e1
- Comparator
- CKe1
- Setting
- Heyang Dryland Experimental Station, Chinae3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ridges were mulched with plastic film (PF), biodegradable film (BF) or liquid film (LF)”
e1“average soil water storage at depths of 0–200 cm were 8.2 and 7.3%, respectively higher with PF and BF than with CK”
e2“corn growth and water use efficiency (WUE)”
e3“at the Heyang Dryland Experimental Station, China”
Claim · model-written summary
Biodegradable film mulching raised average soil water storage at 0–200 cm by 7.3% relative to CK.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- biodegradable film (BF)e0
- Outcome
- average soil water storage at depths of 0–200 cme1
- Direction
- highere1
- Value
- 7.3%e1
- Comparator
- CKe1
- Setting
- Heyang Dryland Experimental Station, Chinae3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ridges were mulched with plastic film (PF), biodegradable film (BF) or liquid film (LF)”
e1“average soil water storage at depths of 0–200 cm were 8.2 and 7.3%, respectively higher with PF and BF than with CK”
e2“corn growth and water use efficiency (WUE)”
e3“at the Heyang Dryland Experimental Station, China”
Claim · model-written summary
Liquid film mulching improved soil water storage during the early growth stage of corn.
- Taxon
- cornZea mays subsp. mayse2
- Organ / stage
- early growth stagee1
- Treatment
- liquid film (LF)e0
- Outcome
- soil water storagee1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ridges were mulched with plastic film (PF), biodegradable film (BF) or liquid film (LF)”
e1“However, LF improved soil water storage during the early growth stage of the crop”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Plastic film mulching increased corn yield by 20.4% relative to CK.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- PFe1
- Outcome
- corn yieldse1
- Direction
- increasede1
- Value
- 20.4e1
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Compared with CK, the corn yields with PF and BF were increased by 20.4 and 19.4%, respectively, and WUE with each treatment increased by 23.3 and 21.7%”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Biodegradable film mulching increased corn yield by 19.4% relative to CK.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- BFe1
- Outcome
- corn yieldse1
- Direction
- increasede1
- Value
- 19.4e1
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Compared with CK, the corn yields with PF and BF were increased by 20.4 and 19.4%, respectively, and WUE with each treatment increased by 23.3 and 21.7%”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
WUE increased with each mulching treatment by 23.3% and 21.7% relative to CK, respectively.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- each treatmente1
- Outcome
- WUEe1
- Direction
- increasede1
- Value
- 23.3 and 21.7%e1
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Compared with CK, the corn yields with PF and BF were increased by 20.4 and 19.4%, respectively, and WUE with each treatment increased by 23.3 and 21.7%”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Plastic and biodegradable film mulching did not differ significantly in corn yield or WUE.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- PFe0
- Outcome
- corn yield or WUEe0
- Direction
- no significant differencese0
- Comparator
- BFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no significant differences in corn yield or WUE with the PF and BF treatments”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Net income was highest with plastic film mulching, followed by biodegradable film.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The net income was the highest with PF, followed by BF”
e1“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Plastic film mulching increased the 3-yr average net income by 2 559 CNY ha−1 relative to CK.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- PFe0
- Outcome
- net incomese1
- Direction
- increasede1
- Value
- 2 559e1
- Qualifier
- 3-yr averagee1
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The net income was the highest with PF, followed by BF”
e1“the 3-yr average net incomes with these treatments were increased by 2 559 and 2 430 CNY ha−1, respectively, compared with CK”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Biodegradable film mulching increased the 3-yr average net income by 2 430 CNY ha−1 relative to CK.
- Taxon
- cornZea mays subsp. mayse2
- Treatment
- BFe0
- Outcome
- net incomese1
- Direction
- increasede1
- Value
- 2 430e1
- Qualifier
- 3-yr averagee1
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The net income was the highest with PF, followed by BF”
e1“the 3-yr average net incomes with these treatments were increased by 2 559 and 2 430 CNY ha−1, respectively, compared with CK”
e2“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Plastic and biodegradable film had similar effects on soil water content, crop yield and net income.
- Taxon
- cornZea mays subsp. mayse1
- Treatment
- PFe0
- Outcome
- soil water content, crop yield and net incomee0
- Direction
- similar effectse0
- Comparator
- BFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BF and PF had similar effects in enhancing the soil water content, crop yield and net income”
e1“corn growth and water use efficiency (WUE)”
Claim · model-written summary
Biodegradable film may be a sustainable ecological alternative to plastic film for corn in the rainfall harvesting system of northwest China.
- Taxon
- cornZea mays subsp. mayse1
- Outcome
- sustainable ecological alternative to plastic filme0
- Setting
- northwest of Chinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biodegradable film may be a sustainable ecological alternative to plastic film for use in the RFRH system in northwest of China”
e1“corn growth and water use efficiency (WUE)”
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