Saved in:
| Main Author: | |
|---|---|
| Format: | Artículo científico |
| Language: | pt |
| Published: |
Universidade Federal de Goiás
2010
|
| Subjects: | |
| Online Access: | https://www.redalyc.org/articulo.oa?id=253020192014 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Table of Contents:
- CUSTOS E RENTABILIDADE DO MILHO EM FUNÇÃO DO MANEJO DO SOLO E DA ADUBAÇÃO NITROGENADA Flávio Hiroshi Kaneko Douglas de Castilho Gitti Orivaldo Arf Maria Aparecida Anselmo Tarsitano Rosalina Maria Alves Rapassi Rafael Gonçalves Vilela Agrociencias no tillage Zea mays production cost conventional tillage Agronomic practices that help farmers to raise yield and reduce costs must be studied to ensure agricultural sustainability. Thus, the objective of this study was to analyze economically the effect of soil management and nitrogen fertilization in maize crops. Treatments consisted of a combination of 3 soil management techniques (plow harrows + floating harrows, chisel + floating harrows, and no-tillage), 5 periods of nitrogen fertilization (control - 0 kg ha-1 N; 120 kg ha-1 after sowing (S); 120 kg ha-1 in the V6 stage; 30 kg ha-1 (S) + 90 kg ha-1 in V6; 30 kg ha-1 (S) + 45 kg ha-1 in V4 + 45 kg ha-1 in V8. The total operating cost (TOC), gross revenue (GR), operating profit (OP), profitability index (PI), break-even yield, and break-even price were estimated. It was concluded that the no-tillage system, after 11 years of management, associated with nitrogen fertilization promotes positive PI and OP, being useful to farmers. 2010 artículo científico 1517-6398 https://www.redalyc.org/articulo.oa?id=253020192014 pt http://www.redalyc.org/revista.oa?id=2530 Pesquisa Agropecuária Tropical application/pdf Universidade Federal de Goiás Pesquisa Agropecuária Tropical (Brasil) Num.1 Vol.40