Abstract
Alpine regions in northern China are the traditional animal husbandry base. The lack of high-quality forage supply resulting from degradation of natural grasslands and low forage production due to short growing seasons greatly restricts development of animal husbandry in these areas. Spring oats have been widely planted in cold regions worldwide harvesting as either grains or forages because of their great adaptative ability to low temperatures and early maturation and high nutritional values. To maximize forage and grain production, we developed a dual-purpose model for spring-sown oats in the cold regions of northeastern China using two oat species, Avena nuda L. (cv. Bayou6) and Avena. sativa L. (cv. Qinghai444). Growth, forage production and quality, grain yield, and re-growth ability of the two oats were investigated in field trials and field demonstration. Maximal dry weight was found to occur at 70 days of emergence for both oats with higher forage production and crude protein (CP) in Bayou6 than Qinghai444 oat species. Neutral detergent fiber (NDF) and acid detergent fiber (ADF) of the two oats increased with time during the early vegetative growing stage, while the relative feed value showed a decrease during vegetative growing stage. The re-growth ability following cutting for the two oats reduced with increasing growth times during vegetative stage. Plant height, tiller density, CP and NDF contents of re-growing seedlings harvested at 30–40 days of emergence did not significantly differ from those of un-cutting control. The overall cumulative dry weight of biomass following cutting at 30 days of emergence was significantly higher than that of control without cutting in both oat species. Seed yield from plots cut at 30 days of emergence for both oat species was insignificantly different from that of control plots. Harvesting of spring-sown oats at 30 days of emergence enhanced forage production, but it did not influence seed yield. Results from 2-year field demonstration confirmed these conclusions. These findings highlight that this dual-purpose oat management model can have great applications in the cold regions of China.
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Claims 11
Claim · model-written summary
Both oat species reached maximal dry weight at 70 days of emergence.
- Taxon
- oats
Avena sativae0 - Outcome
- dry weighte0
- Direction
- Maximale0
- Value
- 70 days of emergencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximal dry weight was found to occur at 70 days of emergence for both oats”
Claim · model-written summary
Bayou6 had higher forage production than Qinghai444.
- Taxon
- oatsAvena sativat0
- Material
- Bayou6e0
- Outcome
- forage productione0
- Direction
- highere0
- Comparator
- Qinghai444e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher forage production and crude protein (CP) in Bayou6 than Qinghai444 oat species”
t0“Oats”
Claim · model-written summary
Bayou6 had higher crude protein than Qinghai444.
- Taxon
- oatsAvena sativat0
- Material
- Bayou6e0
- Outcome
- crude protein (CP)e0
- Direction
- highere0
- Comparator
- Qinghai444e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher forage production and crude protein (CP) in Bayou6 than Qinghai444 oat species”
t0“Oats”
Claim · model-written summary
NDF and ADF increased during early vegetative growth.
- Taxon
- oatsAvena sativae0
- Organ / stage
- early vegetative growing stagee0
- Outcome
- Neutral detergent fiber (NDF) and acid detergent fiber (ADF)e0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neutral detergent fiber (NDF) and acid detergent fiber (ADF) of the two oats increased with time during the early vegetative growing stage”
Claim · model-written summary
Relative feed value decreased during vegetative growth.
- Taxon
- oatsAvena sativat0
- Organ / stage
- vegetative growing stagee0
- Outcome
- relative feed valuee0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative feed value showed a decrease during vegetative growing stage”
t0“Oats”
Claim · model-written summary
Regrowth ability declined as vegetative growth time increased.
- Taxon
- oatsAvena sativae0
- Organ / stage
- vegetative stagee0
- Outcome
- re-growth ability following cuttinge0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The re-growth ability following cutting for the two oats reduced with increasing growth times during vegetative stage”
Claim · model-written summary
Plant height and tiller density after early cutting did not differ significantly from uncut controls.
- Taxon
- oatsAvena sativat0
- Treatment
- harvested at 30–40 days of emergencee0
- Outcome
- Plant height, tiller densitye0
- Direction
- did not significantly differe0
- Comparator
- un-cutting controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant height, tiller density, CP and NDF contents of re-growing seedlings harvested at 30–40 days of emergence did not significantly differ from those of un-cutting control”
t0“Oats”
Claim · model-written summary
Crude protein and NDF after early cutting did not differ significantly from uncut controls.
- Taxon
- oatsAvena sativat0
- Treatment
- harvested at 30–40 days of emergencee0
- Outcome
- CP and NDF contentse0
- Direction
- did not significantly differe0
- Comparator
- un-cutting controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant height, tiller density, CP and NDF contents of re-growing seedlings harvested at 30–40 days of emergence did not significantly differ from those of un-cutting control”
t0“Oats”
Claim · model-written summary
Cutting at 30 days significantly increased cumulative biomass dry weight.
- Taxon
- oatAvena sativae0
- Treatment
- cutting at 30 days of emergencee0
- Outcome
- overall cumulative dry weight of biomasse0
- Direction
- significantly highere0
- Comparator
- control without cuttinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The overall cumulative dry weight of biomass following cutting at 30 days of emergence was significantly higher than that of control without cutting in both oat species”
Claim · model-written summary
Cutting at 30 days did not significantly change seed yield.
- Taxon
- oatAvena sativae0
- Treatment
- cut at 30 days of emergencee0
- Outcome
- Seed yielde0
- Direction
- insignificantly differente0
- Comparator
- control plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed yield from plots cut at 30 days of emergence for both oat species was insignificantly different from that of control plots”
Claim · model-written summary
Authors propose the dual-purpose management model for cold Chinese regions.
- Taxon
- oatAvena sativae0
- Outcome
- dual-purpose oat management model can have great applicationse0
- Setting
- cold regions of Chinae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this dual-purpose oat management model can have great applications in the cold regions of China”
The same questions in other papers
pruning · growth · Avena sativa (oats)Results differ
6 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- negative
- no effect
6 papers more in this group
See all 10 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.