Abstract
Abstract The effects of fallow and cultivation of sunflower, maize, soybean, potato, wheat, sugar beet, rape on arbuscular mycorrhizal (AM) colonization and growth of succeeding maize were examined under field conditions from 1990 to 1992. All the crops except for sugar beet and rape were mycorrhizal. Shoot weight and grain yield of maize were much higher in the plots following sunflower, maize, soybean, potato than in those succeeding rape, fallow, and sugar beet. It was thus concluded that maize growth after cultivation of mycorrhizal crops was more enhanced than after the cultivation of non-mycorrhizal crops. Phosphorus uptake and AM colonization in succeeding maize were closely correlated with shoot weight and grain yield. The results showed that the cultivation of mycorrhizal crops in the previous season promoted AM formation on roots of succeeding maize, which in turn enhanced the P uptake and growth, finally increased the grain yield. Key Words: arbuscular mycorrhizaemaize (Zea mays L.)previous cropsucceeding crop
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Claims 9
Claim · model-written summary
All previous crops except sugar beet and rape were mycorrhizal.
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“All the crops except for sugar beet and rape were mycorrhizal”
Claim · model-written summary
Maize shoot weight was higher after sunflower, maize, soybean, and potato than after rape, fallow, or sugar beet.
- Treatment
- following sunflower, maize, soybean, potatoe0
- Outcome
- Shoot weighte0
- Direction
- much highere0
- Comparator
- rape, fallow, and sugar beete0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“Shoot weight and grain yield of maize were much higher in the plots following sunflower, maize, soybean, potato than in those succeeding rape, fallow, and sugar beet”
Claim · model-written summary
Maize grain yield was higher after sunflower, maize, soybean, and potato than after rape, fallow, or sugar beet.
- Treatment
- following sunflower, maize, soybean, potatoe0
- Outcome
- grain yielde0
- Direction
- much highere0
- Comparator
- rape, fallow, and sugar beete0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“Shoot weight and grain yield of maize were much higher in the plots following sunflower, maize, soybean, potato than in those succeeding rape, fallow, and sugar beet”
Claim · model-written summary
Maize phosphorus uptake correlated closely with shoot weight and grain yield.
Not reportedOrgan / stageDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“Phosphorus uptake and AM colonization in succeeding maize were closely correlated with shoot weight and grain yield”
Claim · model-written summary
Maize AM colonization correlated closely with shoot weight and grain yield.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“Phosphorus uptake and AM colonization in succeeding maize were closely correlated with shoot weight and grain yield”
Claim · model-written summary
Previous mycorrhizal crops promoted root AM formation in succeeding maize.
- Organ / stage
- rootse0
- Treatment
- cultivation of mycorrhizal crops in the previous seasone0
- Outcome
- AM formatione0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“cultivation of mycorrhizal crops in the previous season promoted AM formation on roots of succeeding maize”
Claim · model-written summary
Promoted AM formation enhanced maize phosphorus uptake.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“AM formation on roots of succeeding maize, which in turn enhanced the P uptake and growth”
Claim · model-written summary
Promoted AM formation enhanced maize growth.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“AM formation on roots of succeeding maize, which in turn enhanced the P uptake and growth”
Claim · model-written summary
The preceding crop effect ultimately increased maize grain yield.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize”
e0“finally increased the grain yield”
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