Abstract
No-till (NT) affects dynamics of phosphorus (P) applied. Wheat response to P fertilization can be affected by available soil P, grain yield, placement, rate, and timing of fertilization. Furthermore, mycorrhizal associations could contribute to improving plant P uptake. Three experiments were used to evaluate P rate (0, 25, and 50 kg P ha −1 ) and fertilizer placement (broadcasted or deep-banded) effects in NT wheat on P recovery efficiency (PRE) yield and arbuscular mycorrhizal colonization (AMC) which was assessed in one experiment. Fertilization increased dry matter (DM) and accumulated P. Broadcasted P produced lower P accumulation than deep-banded P only at tillering. Phosphorus rate decreased PRE, and placement method did not affect it. Grain yield response was increased by P rate (857 and 1805 kg ha −1 for 25 and 50 kg P ha −1 , resp.) and was not affected by placement method (4774 and 5333 kg ha −1 for broadcasted and deep-banded, resp.). Deep-banded P depressed root AMC compared with broadcast applications. Highest AMC in P broadcasted treatments could help to explain the lack of differences between placement methods. These results indicate that Mollisol have low P retention capacity. Therefore, broadcasted P could be used as an alternative of fertilizer management for NT wheat.
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Claims 10
Claim · model-written summary
Fertilization increased dry matter and accumulated P in no-till wheat.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Fertilizatione1
- Outcome
- dry matter (DM) and accumulated Pe1
- Direction
- increasede1
- Setting
- Humid Pampas of Argentinat0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e1“Fertilization increased dry matter (DM) and accumulated P”
t0“Humid Pampas of Argentina”
Claim · model-written summary
Increasing P rate decreased P recovery efficiency (PRE) in no-till wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Phosphorus ratee2
- Outcome
- PREe2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e2“Phosphorus rate decreased PRE, and placement method did not affect it”
Claim · model-written summary
Fertilizer placement method did not affect P recovery efficiency (PRE) of no-till wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- placement methode2
- Outcome
- PREe2
- Direction
- did not affecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e2“Phosphorus rate decreased PRE, and placement method did not affect it”
Claim · model-written summary
Broadcasted P gave lower P accumulation than deep-banded P, but only at tillering.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- tilleringe3
- Treatment
- Broadcasted Pe3
- Outcome
- P accumulatione3
- Direction
- lowere3
- Comparator
- deep-banded Pe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e3“Broadcasted P produced lower P accumulation than deep-banded P only at tillering”
Claim · model-written summary
Increasing P rate increased grain yield response of no-till wheat by 857 and 1805 kg ha -1 at 25 and 50 kg P ha -1.
- Taxon
- wheatTriticum aestivume0
- Treatment
- P ratee4
- Outcome
- Grain yield responsee4
- Direction
- increasede4
- Value
- 857 and 1805 kg ha −1e4
- Qualifier
- for 25 and 50 kg P ha −1e4
- Setting
- Humid Pampas of Argentinat0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e4“Grain yield response was increased by P rate (857 and 1805 kg ha −1 for 25 and 50 kg P ha −1 , resp.)”
t0“Humid Pampas of Argentina”
Claim · model-written summary
Grain yield of no-till wheat was not affected by fertilizer placement method (4774 and 5333 kg ha -1 for broadcasted and deep-banded).
- Taxon
- wheatTriticum aestivume0
- Treatment
- placement methode5
- Outcome
- Grain yield responsee4
- Direction
- not affectede5
- Value
- 4774 and 5333 kg ha −1e5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e4“Grain yield response was increased by P rate (857 and 1805 kg ha −1 for 25 and 50 kg P ha −1 , resp.)”
e5“and was not affected by placement method (4774 and 5333 kg ha −1 for broadcasted and deep-banded, resp.)”
Claim · model-written summary
Deep-banded P depressed arbuscular mycorrhizal root colonization of wheat compared with broadcast applications.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Deep-banded Pe6
- Interactor
- arbuscular mycorrhizale7symbiont
- Outcome
- root AMCe6
- Direction
- depressede6
- Comparator
- broadcast applicationse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e6“Deep-banded P depressed root AMC compared with broadcast applications”
e7“arbuscular mycorrhizal colonization (AMC) which was assessed in one experiment”
Claim · model-written summary
Highest mycorrhizal colonization under broadcasted P could help explain the lack of differences between placement methods.
- Taxon
- wheatTriticum aestivume0
- Treatment
- P broadcasted treatmentse1
- Outcome
- lack of differences between placement methodse1
- Qualifier
- Highest AMCe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e1“Highest AMC in P broadcasted treatments could help to explain the lack of differences between placement methods”
Claim · model-written summary
Mollisol soils in this study have low P retention capacity.
- Taxon
- wheatTriticum aestivume0
- Outcome
- P retention capacitye1
- Qualifier
- Mollisole1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects in NT wheat on P recovery efficiency (PRE) yield”
e1“These results indicate that Mollisol have low P retention capacity”
Claim · model-written summary
Broadcasted P could be used as an alternative fertilizer management for no-till wheat.
- Taxon
- wheatTriticum aestivume1
- Treatment
- broadcasted Pe1
- Outcome
- fertilizer managemente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“broadcasted P could be used as an alternative of fertilizer management for NT wheat”
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