Abstract
Winter triticale (× Triticosecale Wittmack) could be more widely grown as a forage, grain, or cover crop in the US Corn and Soybean Belt, but research needed to establish best management practices is limited. This study was conducted to determine the amount of N fertilizer needed to optimize triticale productivity and to quantify the amount of N taken up following either corn ( Zea mays L.) silage or soybean [ Glycine max (L.) Merr.]. The response of winter triticale grown near Ames and Lewis, IA, to four N fertilization rates (0, 33, 66, 99 kg N ha −1 ) applied in mid‐March was evaluated for the 2003–2004 and 2004–2005 growing seasons. Maximum dry matter and grain yields were produced with 33 kg N ha −1 at Ames and no N fertilization at Lewis. Maximum N concentrations of triticale dry matter were generally produced with 99 kg N ha −1 . Nitrogen uptake by winter triticale was mostly complete by early May and was 39 to 133 kg ha −1 without N fertilization. Nitrogen uptake increased with each 33 kg ha −1 increment of additional N fertilizer, totaling 98 to 192 kg ha −1 for 99 kg N ha −1 . The results of this study suggest forage and grain yields of winter triticale grown after corn silage or soybean in the midwestern USA can be maximized by applying 33 kg ha −1 . N fertilizer. For N rates of 0 to 99 kg ha −1 , winter triticale captured 47 to 82 kg N ha −1 beyond that supplied as fertilizer.
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Claims 7
Claim · model-written summary
Maximum dry matter and grain yields of winter triticale were produced with 33 kg N ha-1 at Ames and with no N fertilization at Lewis.
- Taxon
- Winter Triticale
×Triticosecalet0 - Treatment
- 33 kg N ha −1e1
- Outcome
- dry matter and grain yieldse1
- Direction
- Maximume1
- Comparator
- no N fertilizatione1
- Setting
- Amese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e1“Maximum dry matter and grain yields were produced with 33 kg N ha −1 at Ames and no N fertilization at Lewis”
Claim · model-written summary
Maximum N concentrations of winter triticale dry matter were generally produced with 99 kg N ha-1.
- Taxon
- Winter Triticale×Triticosecalet0
- Treatment
- 99 kg N ha −1e2
- Outcome
- N concentrations of triticale dry mattere2
- Direction
- Maximume2
- Qualifier
- generallye2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e2“Maximum N concentrations of triticale dry matter were generally produced with 99 kg N ha −1”
Claim · model-written summary
Without N fertilization, winter triticale took up 39 to 133 kg N ha-1.
- Taxon
- Winter Triticale×Triticosecalet0
- Outcome
- Nitrogen uptakee3
- Value
- 39 to 133 kg ha −1e3
- Qualifier
- without N fertilizatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e3“Nitrogen uptake by winter triticale was mostly complete by early May and was 39 to 133 kg ha −1 without N fertilization”
Claim · model-written summary
Winter triticale N uptake was mostly complete by early May.
- Taxon
- Winter Triticale×Triticosecalet0
- Outcome
- Nitrogen uptakee3
- Qualifier
- mostly complete by early Maye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e3“Nitrogen uptake by winter triticale was mostly complete by early May and was 39 to 133 kg ha −1 without N fertilization”
Claim · model-written summary
Nitrogen uptake by winter triticale increased with each 33 kg ha-1 increment of additional N fertilizer, totaling 98 to 192 kg ha-1 at 99 kg N ha-1.
- Taxon
- Winter Triticale×Triticosecalet0
- Treatment
- each 33 kg ha −1 increment of additional N fertilizere4
- Outcome
- Nitrogen uptakee4
- Direction
- increasede4
- Value
- 98 to 192 kg ha −1e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e4“Nitrogen uptake increased with each 33 kg ha −1 increment of additional N fertilizer, totaling 98 to 192 kg ha −1 for 99 kg N ha −1”
Claim · model-written summary
Forage and grain yields of winter triticale after corn silage or soybean can be maximized with 33 kg N ha-1 in the midwestern USA.
- Taxon
- Winter Triticale×Triticosecalet0
- Outcome
- forage and grain yieldse5
- Value
- 33 kg ha −1e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e5“forage and grain yields of winter triticale grown after corn silage or soybean in the midwestern USA can be maximized by applying 33 kg ha −1”
Claim · model-written summary
Winter triticale captured 47 to 82 kg N ha-1 beyond the N supplied as fertilizer at N rates of 0 to 99 kg ha-1.
- Taxon
- Winter Triticale×Triticosecalet0
- Treatment
- 0 to 99 kg ha −1e6
- Outcome
- winter triticale capturede6
- Value
- 47 to 82 kg N ha −1e6
- Qualifier
- beyond that supplied as fertilizere6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Winter Triticale Response to Nitrogen Fertilization when Grown after Corn or Soybean”
e6“For N rates of 0 to 99 kg ha −1 , winter triticale captured 47 to 82 kg N ha −1 beyond that supplied as fertilizer”
The same questions in other papers
nitrogen · yield · x Triticosecale (triticale)Positive and negative results
47 papers in the same direction as this paper · 6 in the opposite direction
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See all 54 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.