Remaining straw and release of nutrients from oat managed in integrated crop-livestock

Authors

  • Eloisa Mattei Universidade Estadual do Oeste do Paraná
  • Paulo Sérgio Rabello de Oliveira Universidade Estadual do Oeste do Paraná
  • Leandro Rampim Universidade Estadual do Centro-Oeste
  • Jonas Francisco Egewarth Universidade Estadual do Oeste do Paraná
  • Carlos Augusto Rocha de Moraes Rego Universidade Estadual do Oeste do Paraná
  • Jeferson Tiago Piano Universidade Estadual do Oeste do Paraná
  • Juan López de Herrera Universidad Politécnica de Madrid

DOI:

https://doi.org/10.14393/BJ-v34n6a2018-42036

Keywords:

Avena Strigosa, Cultural waste, Half-life time.

Abstract

This study aimed to evaluate the decomposition and nutrient release from residues of the culture of oats and fallow in crop-livestock integration system. The experimental design was a randomized complete block design with two replications, as parcels being formed by four managements (fallow, oats without grazing, oats grazed once and twice), and the subplots for evaluation periods along the soybean crop in succession (0, 10, 20, 30, 50, 100 and 120 days after sowing). The residual amounts of dry matter and the contents of Carbon (C), Nitrogen (N), Phosphorus (P) and Potassium (K) were determined. Oats without grazing and fallow with natural reappearance of turnip + ryegrass were the treatments that presented the highest amount of dry matter remaining, reaching 5,219 and 6,781 kg ha-1, respectively. The amount of nutrients, N, P and K released from the residues, were similar independent from the management adopted, with exponential reduction proportional to the reduction of the remaining dry matter. K was the nutrient released faster from the residues and should be considered at the time of fertilization calculation of the culture to be implanted. The integrated crop-livestock system in which takes place one and two grazing oats, even reducing soil cover, enables high nutrient cycling.

Downloads

Download data is not yet available.

Downloads

Published

2018-12-06

How to Cite

MATTEI, E., RABELLO DE OLIVEIRA, P.S., RAMPIM, L., EGEWARTH, J.F., ROCHA DE MORAES REGO, C.A., PIANO, J.T. and LÓPEZ DE HERRERA, J., 2018. Remaining straw and release of nutrients from oat managed in integrated crop-livestock . Bioscience Journal [online], vol. 34, no. 6, pp. 206–215. [Accessed29 November 2022]. DOI 10.14393/BJ-v34n6a2018-42036. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/42036.

Issue

Section

Agricultural Sciences