Abstract
In 1991～2000,the planting trials of surface seeding and mulching rice straw for wheat after rice were carried out to study the characteristics of root development,tillering,crown structure,photosynthesis,and accumulation of photosynthesis products.The results were as follows:(1)the number of roots,total length of roots per plant,and root weight per plant of wheat sown through surface seeding and mulching straw were higher than that of ploughed wheat and root activity at different stage became stronger,and there were more roots in 0～10?cm soil layer and less in 10～30?cm soil layer than that of ploughed wheat;(2)Surface seeding under zero tillage led to more tillers,especially coleoptile tillers and lowernodal tillers;(3)Base internodes became shorter and their matterfilled grade increased while neck internode became longer;(4)LAI,colony quality,photosynthesis ability of colony,and accumulation of photosynthesis products under the cultivation of surface seeding mulching rice straw were higher than that under plowing cultivation.
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Claims 10
Claim · model-written summary
Surface-seeded, straw-mulched wheat had more roots, longer roots and greater root weight than ploughed wheat.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- surface seeding and mulching strawe0
- Outcome
- number of roots,total length of roots per plant,and root weight per plante0
- Direction
- highere0
- Comparator
- ploughed wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“the number of roots,total length of roots per plant,and root weight per plant of wheat sown through surface seeding and mulching straw were higher than that of ploughed wheat”
Claim · model-written summary
Root activity was stronger at different stages.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- root activitye0
- Direction
- strongere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“root activity at different stage became stronger”
Claim · model-written summary
Surface-seeded wheat had more roots in the 0～10?cm layer than ploughed wheat.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- surface seedinge1
- Outcome
- roots in 0～10?cm soil layere0
- Direction
- moree0
- Comparator
- ploughed wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“there were more roots in 0～10?cm soil layer and less in 10～30?cm soil layer than that of ploughed wheat”
e1“surface seeding and mulching straw”
Claim · model-written summary
Surface-seeded wheat had fewer roots in the 10～30?cm layer than ploughed wheat.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- surface seedinge1
- Outcome
- 10～30?cm soil layere0
- Direction
- lesse0
- Comparator
- ploughed wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“there were more roots in 0～10?cm soil layer and less in 10～30?cm soil layer than that of ploughed wheat”
e1“surface seeding and mulching straw”
Claim · model-written summary
Zero-tillage surface seeding produced more tillers, especially coleoptile and lower-nodal tillers.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Surface seeding under zero tillagee0
- Outcome
- tillers,especially coleoptile tillers and lowernodal tillerse0
- Direction
- moree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Surface seeding under zero tillage led to more tillers,especially coleoptile tillers and lowernodal tillers”
Claim · model-written summary
Base internodes became shorter and more matter-filled.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- Base internodese0
- Direction
- shortere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Base internodes became shorter and their matterfilled grade increased”
Claim · model-written summary
Base internode matter-filled grade increased.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- matterfilled gradee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“their matterfilled grade increased”
Claim · model-written summary
Neck internodes became longer.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- neck internodee0
- Direction
- longere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“neck internode became longer”
Claim · model-written summary
Surface seeding with rice-straw mulch increased LAI and colony quality over plowing.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- surface seeding mulching rice strawe0
- Outcome
- LAI,colony qualitye0
- Direction
- highere0
- Comparator
- plowing cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“LAI,colony quality,photosynthesis ability of colony,and accumulation of photosynthesis products under the cultivation of surface seeding mulching rice straw were higher than that under plowing cultivation”
Claim · model-written summary
Surface seeding with rice-straw mulch increased colony photosynthetic ability and product accumulation over plowing.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- surface seeding mulching rice strawe0
- Outcome
- photosynthesis ability of colony,and accumulation of photosynthesis productse0
- Direction
- highere0
- Comparator
- plowing cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“LAI,colony quality,photosynthesis ability of colony,and accumulation of photosynthesis products under the cultivation of surface seeding mulching rice straw were higher than that under plowing cultivation”
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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.