Technical and agronomic efficiency of nitrogen use on the yield and quality of oat grains

Mantai, Rúbia Diana; Silva, José Antônio Gonzalez da; Carbonera, Roberto; Carvalho, Ivan Ricardo; Lautenchleger, Francine; Pereira, Laura Mensch

doi:10.1590/1807-1929/agriambi.v25n8p529-537

Cited by 9 publications

(4 citation statements)

References 22 publications

(18 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In the conducted experiment, a significant increase in the yield of oat grain and straw was noted with the increase in the dose of nitrogen fertilization (Table 2). Similarly, in other studies, the yields of the aboveground oat mass significantly increased under the influence of nitrogen fertilization [71,72]. Greater yield increases were noted between lower doses of nitrogen.…”

Section: Yield Of Grain and Strawsupporting

confidence: 77%

Oat as a Potential Source of Energy

Tobiasz-Salach,

Stadnik,

Bajcar

2023

Energies

View full text Add to dashboard Cite

Oat (Avena sativa L.) is one of the agricultural crops that can be grown in marginal areas. Grain and straw are used mainly for food and fodder purposes. However, due to the high-fat content in the grain and the small amount of ash, it can be an attractive raw material for energy production. The biomass can be straw and oat grain. Grain should be intended for food purposes, but if it does not meet the quality requirements, it can be used for energy purposes. The aim of the experiment was to evaluate the energy usefulness of four oat cultivars depending on the applied level of nitrogen fertilization. The research results show that oat grain and straw can be used as fuel for energy purposes. The average calorific value of grain was 18.7 MJ·kg−1, and the ash content in dry matter was 2.03%. With the increase in the dose of nitrogen fertilization, a decrease in the calorific value of oat and straw grains and a decrease in ash content were noted. The findings show significant varietal differences. Oat straw had a lower calorific value and a higher ash content, which indicates its lower usefulness for energy purposes compared to grain.

show abstract

Section: Yield Of Grain and Strawsupporting

confidence: 77%

Oat as a Potential Source of Energy

Tobiasz-Salach,

Stadnik,

Bajcar

2023

Energies

View full text Add to dashboard Cite

show abstract

“…Experiment I (2021) was characterized by high maximum air temperatures and low water availability at essential stages for the oat crop development (Figure 1). Water demand during the cycle of white oat crops is approximately 350 mm, with an adequate distribution (Frizzone et al, 1995;Mantai et al, 2021). The rainfall depth exceeded 600 mm, but was unevenly distributed, with significant low volumes during nitrogen and plant growth regulator (PGR) application periods.…”

Section: Resultsmentioning

confidence: 99%

Seeding density and lodging control using a calcium and potassium-based organomineral fertilizer in oat crops

Coppetti,

Da Silva,

Carvalho

et al. 2024

CLCS

View full text Add to dashboard Cite

Technologies ensuring high crop yield and plant competitiveness without lodging can contribute to an efficient and sustainable management of oat crops. The objectives of this study were to evaluate the use of high seeding density in current oat cultivars grown in the northwestern Rio Grande do Sul (RS), Brazil; assess the effects of plant growth regulators on grain yield indicators, industrial grain quality, and stem structure; and evaluate a calcium and potassium-based organomineral product as a sustainable technology for controlling lodging. Two experiments were conducted in Augusto Pestana, RS, in a randomized block design. Experiment I (2021) was set up in a 4×3 factorial arrangement consisted of 4 oat seeding densities (100, 300, 600, and 900 seeds m-2) and 3 treatments with plant growth regulator (PGR) application (control; application of trinexapac-ethyl and organomineral product at the stage between the 1st and 2nd visible stem nodes). Experiment II (2022) was set up in a 4×4 factorial arrangement consisted of 4 seeding densities (100, 300, 600, and 900 seeds m-2) and 4 PGR application treatments (control; application of trinexapac-ethyl and organomineral product at the stage between the 1st and 2nd visible stem nodes; and sequential application of organomineral product at V4 and at the stage between the 1st and 2nd visible stem nodes). The results of both experiments showed the need for a higher seeding density (between 400 and 520 seeds m-2) than that recommended. High air temperatures and limiting soil water conditions increased the phytotoxic potential of trinexapac-ethyl in oat crops. Evaluations of the Ca and K-based organomineral product, as a sustainable technology for controlling plant lodging, requires further analysis in years with more favorable environmental conditions for oat crops.

show abstract

“…Above this, a further increase in N rate resulted in significant plant lodging and associated loss of harvestable grain yield. According to other studies, the optimum N rate for oats ranges from 30 to 120 kg/ha depending on the environment, cultivar used, crop rotation and tillage applied [12][13][14][38][39][40][41][42]. There has been a steady increase in the optimum N rate for oats, with recent studies generally reporting optimum N rates for oats in excess of 100 kg/ha [12,38,42].…”

Section: Discussionmentioning

confidence: 99%

The Effect of Cultivation Practices on Agronomic Performance, Elemental Composition and Isotopic Signature of Spring Oat (Avena sativa L.)

Kolmanič

Sinkovič

Nečemer

et al. 2022

Plants

View full text Add to dashboard Cite

The present study investigated the effects of cultivation practices on grain (oats) yield and yield components, such as straw yield, harvest index, thousand kernel weight, and plant lodging. In addition, multi-element composition and isotopic signature (δ13C, δ15N) of the oat grains were studied. The spring oat cultivar ‘Noni’ was grown in a long-term field experiment during 2015–2020, using three management practices: control without organic amendment, incorporation of manure every third year and incorporation of crop residues/cover crop in the rotation. Synthetic nitrogen (N) (0, 55, 110 and 165 kg/ha) was applied during oat development in each system. Multi-element analysis of mature grains from two consecutive years (2016 and 2017) was performed using EDXRF spectroscopy, while stable isotope ratios of carbon (C) and nitrogen (N) were obtained using an elemental analyzer coupled to an isotope ratio mass spectrometer (EA/IRMS). The results show how cultivation practices affect yield components and isotopic and elemental signatures. Increasing the N rate improved both the oat grain and straw yields and increased susceptibility to lodging. The results show how the elemental content (Si, Ca, Zn, Fe, Ti, Br and Rb) in the oat grains were influenced by intensification, and a noticeable decrease in elemental content at higher N rates was the result of a dilution effect of increased dry matter production. The mean δ15N values in oat grains ranged from 2.5‰ to 6.4‰ and decreased with increasing N rate, while δ13C values ranged from −29.9‰ to –28.9‰. Based on the δ15N values, it was possible to detect the addition of synthetic N above an N rate of 55 kg/ha, although it was impossible to differentiate between different management practices using stable isotopes.

show abstract

Technical and agronomic efficiency of nitrogen use on the yield and quality of oat grains

Cited by 9 publications

References 22 publications

Oat as a Potential Source of Energy

Oat as a Potential Source of Energy

Seeding density and lodging control using a calcium and potassium-based organomineral fertilizer in oat crops

The Effect of Cultivation Practices on Agronomic Performance, Elemental Composition and Isotopic Signature of Spring Oat (Avena sativa L.)

Contact Info

Product

Resources

About