Abstract
To investigate the effects of crop rotation on oilseed flax growth and yield, three season experiments were carried out in semi-arid area of Dingxi, Gansu from 2017 to 2019. The designed 6 rotational systems were FFF (flax-flax-flax), PFF (potato-flax-flax), WPF (wheat-potato-flax), FPF (flax-potato-flax), PWF (potato-wheat-flax) and FWF (flax-wheat-flax). Flax growth and yield investigation results showed that crop rotation increased leaf area duration, dry matter accumulation, seed nitrogen accumulation, water and nitrogen used efficiency, compared with continuous cropping of flax. Flaxseed yields in rotation systems were 22.23%–44.11% greater than those of continuous cropping system. Those in wheat and potato stubbles had higher tiller number (21.43% and 29.46%), more branches (14.24% and 6.97%), effective capsules (26.35% and 28.79%), higher water use efficiency (40.26% and 33.5%), higher nitrogen partial factor productivity (33.85% and 31.46%) and dry matter (41.98% and 25.47%) than those in oilseed flax stubble. It concluded that crop rotation system was an effective measure for oilseed flax productivity in semi-arid area by improving yield components and promoting biomass.
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Claims 15
Claim · model-written summary
Rotation increased flax leaf area duration, dry matter, seed nitrogen, and water and nitrogen use efficiency versus continuous flax.
- Taxon
- flax
Linum usitatissimume0 - Treatment
- crop rotatione0
- Outcome
- leaf area duration, dry matter accumulation, seed nitrogen accumulation, water and nitrogen used efficiencye0
- Direction
- increasede0
- Comparator
- continuous cropping of flaxe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“crop rotation increased leaf area duration, dry matter accumulation, seed nitrogen accumulation, water and nitrogen used efficiency, compared with continuous cropping of flax”
Claim · model-written summary
Rotation raised flaxseed yield 22.23%–44.11% over continuous cropping.
Verbatim
e0“Flaxseed yields in rotation systems were 22.23%–44.11% greater than those of continuous cropping system”
Claim · model-written summary
Wheat stubble increased flax tiller number by 21.43% versus flax stubble.
Not reportedComparator
Verbatim
e0“Those in wheat and potato stubbles had higher tiller number (21.43% and 29.46%)”
t0“oilseed flax”
Claim · model-written summary
Potato stubble increased flax tiller number by 29.46%.
Not reportedComparator
Verbatim
e0“Those in wheat and potato stubbles had higher tiller number (21.43% and 29.46%)”
t0“oilseed flax”
Claim · model-written summary
Wheat stubble increased flax branches by 14.24%.
Not reportedComparator
Verbatim
e0“wheat and potato stubbles had higher tiller number (21.43% and 29.46%), more branches (14.24% and 6.97%)”
t0“oilseed flax”
Claim · model-written summary
Potato stubble increased flax branches by 6.97%.
Not reportedComparator
Verbatim
e0“wheat and potato stubbles had higher tiller number (21.43% and 29.46%), more branches (14.24% and 6.97%)”
t0“oilseed flax”
Claim · model-written summary
Wheat stubble increased effective capsules by 26.35%.
- Taxon
- oilseed flaxt0
- Treatment
- wheate0
- Outcome
- effective capsulese0
- Direction
- higherinferrede0
- Value
- 26.35%e0
Not reportedComparator
Verbatim
e0“wheat and potato stubbles had higher tiller number (21.43% and 29.46%), more branches (14.24% and 6.97%), effective capsules (26.35% and 28.79%)”
t0“oilseed flax”
Claim · model-written summary
Potato stubble increased effective capsules by 28.79%.
- Taxon
- oilseed flaxt0
- Treatment
- potato stubblese0
- Outcome
- effective capsulese0
- Direction
- higherinferrede0
- Value
- 28.79%e0
Not reportedComparator
Verbatim
e0“wheat and potato stubbles had higher tiller number (21.43% and 29.46%), more branches (14.24% and 6.97%), effective capsules (26.35% and 28.79%)”
t0“oilseed flax”
Claim · model-written summary
Wheat stubble increased water use efficiency by 40.26%.
Not reportedTreatmentComparator
Verbatim
e0“higher water use efficiency (40.26% and 33.5%)”
t0“oilseed flax”
Claim · model-written summary
Potato stubble increased water use efficiency by 33.5%.
Not reportedTreatmentComparator
Verbatim
e0“higher water use efficiency (40.26% and 33.5%)”
t0“oilseed flax”
Claim · model-written summary
Wheat stubble increased nitrogen partial factor productivity by 33.85%.
Not reportedTreatmentComparator
Verbatim
e0“higher nitrogen partial factor productivity (33.85% and 31.46%)”
t0“oilseed flax”
Claim · model-written summary
Potato stubble increased nitrogen partial factor productivity by 31.46%.
Not reportedTreatmentComparator
Verbatim
e0“higher nitrogen partial factor productivity (33.85% and 31.46%)”
t0“oilseed flax”
Claim · model-written summary
Wheat stubble increased dry matter by 41.98%.
Not reportedTreatmentComparator
Verbatim
e0“dry matter (41.98% and 25.47%)”
t0“oilseed flax”
Claim · model-written summary
Potato stubble increased dry matter by 25.47%.
Not reportedTreatmentComparator
Verbatim
e0“dry matter (41.98% and 25.47%)”
t0“oilseed flax”
Claim · model-written summary
The authors recommend rotation to improve flax productivity in semiarid areas.
Verbatim
e0“crop rotation system was an effective measure for oilseed flax productivity in semi-arid area by improving yield components and promoting biomass”
The same questions in other papers
rotation · yield · Linum usitatissimum (flax)Positive and negative results
2 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
1 paper more in this group
See all 5 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.