Abstract
ABSTRACT The efficiency of nitrogen use by oats in association with climatic conditions is fundamental to the development of more sustainable managements with yield and quality. The objectives of this study were to define the agronomic efficiency of nitrogen by the ratio of the dose provided and product obtained, estimate the maximum technical efficiency of the nutrient on grain yield; and for the optimum dose, simulate the expression of the straw and industry yields, protein and total fiber in different conditions of the agricultural year in a soybean/oat system. The study was conducted from 2011 to 2016, in Augusto Pestana, RS, Brazil, in a randomized block design with four repetitions in a 4 x 2 factorial referring to nitrogen doses (0, 30, 60 and 120 kg ha-1) and oat cultivars (Barbarasul and Brisasul) in a soybean/oat system. Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied. The dose of maximum technical efficiency in the expression of grain yield is dependent on the weather conditions during cultivation. In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.
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Claims 11
Claim · model-written summary
Nitrogen increased grain yield with reported agronomic efficiency 7.8 kg ha-1.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied.”
t0“oat grains”
Claim · model-written summary
Nitrogen increased straw yield with reported agronomic efficiency 19.7 kg ha-1.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied.”
t0“oat grains”
Claim · model-written summary
Nitrogen increased industry yields yield with reported agronomic efficiency 3.3 kg ha-1.
- Taxon
- oat grains
Avena sativat0 - Treatment
- Nitrogene0
- Outcome
- industry yieldse0
- Direction
- increasede0
- Value
- 3.3 kg ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied.”
t0“oat grains”
Claim · model-written summary
Nitrogen increased total grain protein with agronomic efficiency 0.10 g kg-1.
- Taxon
- oat grainsAvena sativat0
- Treatment
- Nitrogene0
- Outcome
- total grain proteine0
- Direction
- increasede0
- Value
- 0.10 g kg-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied.”
t0“oat grains”
Claim · model-written summary
Nitrogen reduced total fiber by 0.05 g kg-1 per kg supplied.
- Taxon
- oat grainsAvena sativat0
- Treatment
- Nitrogene0
- Outcome
- total fibere0
- Direction
- reductione0
- Value
- 0.05 g kg-1 per kg of N suppliede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen increased grain, straw, and industry yields and total grain protein, with agronomic efficiency of 7.8, 19.7 and 3.3 kg ha-1 and 0.10 g kg-1, respectively, with reduction of the total fiber in 0.05 g kg-1 per kg of N supplied.”
t0“oat grains”
Claim · model-written summary
The nitrogen dose for maximum grain yield efficiency depended on weather conditions.
- Taxon
- oat grainsAvena sativat0
- Outcome
- maximum technical efficiency in the expression of grain yielde0
- Setting
- weather conditions during cultivatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dose of maximum technical efficiency in the expression of grain yield is dependent on the weather conditions during cultivation.”
t0“oat grains”
Claim · model-written summary
Maximum grain productivity efficiency was obtained with 86 kg ha-1 of nitrogen.
- Taxon
- oat grainsAvena sativae0
- Outcome
- maximum efficiency of grain productivitye0
- Direction
- maximume0
- Value
- 86 kg ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.”
Claim · model-written summary
Linear equations showed increased productivity of straw with nitrogen use.
- Taxon
- oat grainsAvena sativae0
- Treatment
- nitrogen usee0
- Outcome
- productivity of strawe0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.”
Claim · model-written summary
Linear equations showed increased industry yield with nitrogen use.
- Taxon
- oat grainsAvena sativae0
- Treatment
- nitrogen usee0
- Outcome
- industry yielde0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.”
Claim · model-written summary
Linear equations showed increased total protein with nitrogen use.
- Taxon
- oat grainsAvena sativae0
- Treatment
- nitrogen usee0
- Outcome
- total proteine0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.”
Claim · model-written summary
Linear equations showed reduction fiber content of oat grains with nitrogen use.
- Taxon
- oat grainsAvena sativae0
- Treatment
- nitrogen usee0
- Outcome
- fiber content of oat grainse0
- Direction
- reductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, the maximum efficiency of grain productivity was obtained with 86 kg ha-1 of N, with linear equations showing increased productivity of straw and industry yield, total protein, and reduction of the fiber content of oat grains by nitrogen use.”
The same questions in other papers
nitrogen · quality: protein · Avena sativa (oats)Results differ
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See all 116 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.