Paper · 2008 · Acta Scientiarum Polonorum. Agricultura

IMPROVEMENT OF THE EFFECTIVENESS OF MAIZE (Zea mays L.) FERTILIZATION WITH NITROGEN BY THE APPLICATION OF MAGNESIUM PART II. CONTENT OF NUTRIENTS IN GRAIN AND ITS ENERGETIC VALUE

Piotr Szulc; H. Waligóra; W. Skrzypczak

13
claims
27
verbatim quotes
4
citations
2
research areas
—
Not open access

Abstract

Field experiments were carried out at the Didactic and Experimental Farm in Swadzim (52 o 26' N; 16 o 45' E) near Poznain the years 2004-2007. The experiment was carried out in a split-plot design with 3 experimental factors and 4 field replications. Two cultivars were studied, 6 doses of nitrogen, one dose of magnesium and the method of fertilizer application were investigated. The content of total protein and N-free extract in the dry matter of grain depends exclusively on the level of nitrogen fertilization. As far as ash content is concerned, it was found that the value of this feature depends only on the cultivar factor. The contents of raw fibre and raw fat were not determined by any of the experimental factors. A higher yield of total protein was obtained from the hybrid LG 2244 in comparison with Anjou 258. Analysis of the amount of nitrogen fertilization has shown that the significantly highest yield of protein was obtained for a dose of 90 kg N. ha -1 . On the other hand, a further increase in nitrogen dose caused a significant breakdown of this feature value. Magnesium fertilization amount and the method of its application did not exert any effect on the yield of total protein. The concentration of net energy was not affected by any experimental factors, while the yield of grain net energy was determined by the amount of nitrogen fertilization. The yield of digestible protein depended in a significant way on the cultivar factor and on nitrogen fertilization.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 13

Associationobservedoriginal resultmeasured

Claim · model-written summary

Grain total protein depended only on nitrogen fertilization level.

Taxon
MAIZEZea mayst0
Treatment
level of nitrogen fertilizatione0
Outcome
total proteine0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The content of total protein and N-free extract in the dry matter of grain depends exclusively on the level of nitrogen fertilization”

✓ located verbatim in the source · abstract, characters 382–515 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Grain N-free extract depended only on nitrogen fertilization level.

Taxon
MAIZEZea mayst0
Treatment
level of nitrogen fertilizatione0
Outcome
N-free extracte0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The content of total protein and N-free extract in the dry matter of grain depends exclusively on the level of nitrogen fertilization”

✓ located verbatim in the source · abstract, characters 382–515 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Ash content depended only on cultivar.

Taxon
MAIZEZea mayst0
Material
cultivar factore0
Outcome
ash contente0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“ash content is concerned, it was found that the value of this feature depends only on the cultivar factor”

✓ located verbatim in the source · abstract, characters 527–632 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Raw fibre content was not determined by experimental factors.

Taxon
MAIZEZea mayst0
Treatment
experimental factorse0
Outcome
raw fibree0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The contents of raw fibre and raw fat were not determined by any of the experimental factors”

✓ located verbatim in the source · abstract, characters 634–726 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Raw fat content was not determined by experimental factors.

Taxon
MAIZEZea mayst0
Treatment
experimental factorse0
Outcome
raw fate0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The contents of raw fibre and raw fat were not determined by any of the experimental factors”

✓ located verbatim in the source · abstract, characters 634–726 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

LG 2244 had higher total protein yield than Anjou 258.

Taxon
MAIZEZea mayst0
Material
LG 2244e0
Outcome
yield of total proteine0
Direction
highere0
Comparator
Anjou 258e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“A higher yield of total protein was obtained from the hybrid LG 2244 in comparison with Anjou 258”

✓ located verbatim in the source · abstract, characters 728–825 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

A 90 kg N. ha -1 dose gave the highest protein yield.

Taxon
MAIZEZea mayst0
Treatment
90 kg N. ha -1e0
Outcome
yield of proteine0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the significantly highest yield of protein was obtained for a dose of 90 kg N. ha -1”

✓ located verbatim in the source · abstract, characters 891–975 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Further nitrogen dose increases significantly reduced protein yield.

Taxon
MAIZEZea mayst0
Treatment
further increase in nitrogen dosee0
Outcome
yield of proteine1
Direction
breakdowne0
Comparator
90 kg N. ha -1e1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“a further increase in nitrogen dose caused a significant breakdown of this feature value”

✓ located verbatim in the source · abstract, characters 997–1085 · show in text ↑
e1

“yield of protein was obtained for a dose of 90 kg N. ha -1”

✓ located verbatim in the source · abstract, characters 917–975 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Magnesium amount and application method had no effect on total protein yield.

Taxon
MAIZEZea mayst0
Treatment
Magnesium fertilization amount and the method of its applicatione0
Outcome
yield of total proteine0
Direction
did not exert any effecte0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Magnesium fertilization amount and the method of its application did not exert any effect on the yield of total protein”

✓ located verbatim in the source · abstract, characters 1087–1206 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Experimental factors did not affect net energy concentration.

Taxon
MAIZEZea mayst0
Treatment
experimental factorse0
Outcome
concentration of net energye0
Direction
not affectede0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The concentration of net energy was not affected by any experimental factors”

✓ located verbatim in the source · abstract, characters 1208–1284 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Grain net energy yield depended on nitrogen fertilization amount.

Taxon
MAIZEZea mayst0
Treatment
amount of nitrogen fertilizatione0
Outcome
yield of grain net energye0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“yield of grain net energy was determined by the amount of nitrogen fertilization”

✓ located verbatim in the source · abstract, characters 1296–1376 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Digestible protein yield depended significantly on cultivar.

Taxon
MAIZEZea mayst0
Material
cultivar factore0
Outcome
yield of digestible proteine0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The yield of digestible protein depended in a significant way on the cultivar factor and on nitrogen fertilization”

✓ located verbatim in the source · abstract, characters 1378–1492 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Digestible protein yield depended significantly on nitrogen fertilization.

Taxon
MAIZEZea mayst0
Treatment
nitrogen fertilizatione0
Outcome
yield of digestible proteine0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The yield of digestible protein depended in a significant way on the cultivar factor and on nitrogen fertilization”

✓ located verbatim in the source · abstract, characters 1378–1492 · show in text ↑
t0

“MAIZE”

✓ located verbatim in the source · title, characters 36–41 · show in text ↑

magnesium atom · quality: protein · Zea mays (maize)Positive and negative results

5 papers: 4 positive, 1 negative or no effect

4 in the opposite direction

  1. positive
  2. positive
  3. positive

1 paper more in this group

See all 5 papers →

nitrogen · quality: protein · Zea mays (maize)Positive and negative results

181 papers: 164 positive, 17 negative or no effect

16 papers in the same direction as this paper · 164 in the opposite direction

  1. positive
  2. positive
  3. positive

177 papers more in this group

See all 181 papers →

fertilization · quality: protein · Zea mays (maize)Positive and negative results

262 papers: 236 positive, 26 negative or no effect

25 papers in the same direction as this paper · 236 in the opposite direction

  1. positive
  2. positive
  3. positive

258 papers more in this group

See all 262 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.