Persistência de palhada e liberação de nutrientes do nabo forrageiro no plantio direto
By C. Crusciol, Roberto Luiz Cottica, E. Lima, M. Andreotti, Edemar Moro, E. Marcon. 2005
121 citations recorded by the source corpus.
Straw of covering plants kept on soil surface in no-tillage system is an important source of nutrients for subsequent tillage. The objective of this work was to evaluate decomposition and macronutrients release from forage turnip residues. The experiment was set under field conditions during 1998 in Marechal Cândido Rondon, PR, Brazil. Forage turnip plants were desiccated and lodged 30 days after emergence. Straw persistence and nutrient release were evaluated at 0, 13, 35 and 53 days after management. The experimental design was a randomized block with four replications. Until pre-flowering stage, the forage turnip showed a great dry matter yield (2,938 kg ha -1 ) during winter growing and 57.2, 15.3, 85.7, 37.4, 12.5 and 14.0 kg ha -1 of N, P, K, Ca, Mg and S were respectively accumulated. Forage turnip management at pre-flowering stage cause a quick straw degradation and macronutrients release. Potassium and nitrogen were released in the highest amounts and in the shortest time to the subsequent tillage. Quickest liberation of nutrients occurred between 10 to 20 days after plant management.
Subfields: Forestry, Plant Science, Soil Science
View Paper: https://www.semanticscholar.org/paper/50c56c5f88e2cc5c31f6d735160e605aab747bc1
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Citations in the corpus
- Produção de fitomassa e acúmulo e liberação de nutrientes por plantas de cobertura na safrinha (2011, unknown): “Foi avaliada a fitomassa seca (FS) das plantas de cobertura em todas as subparcelas, segundo método proposto por Crusciol et al. (2005), com uso de quadrado de ferro (gabarito de 0,25 m2), com duas repetições por subparcela.”
- Cover Crops as Affecting Soil Chemical and Physical Properties and Development of Upland Rice and Soybean Cultivated in Rotation (2018, background): “Thus, the species of cover crops used should have high biomass production capacity, and straw must have impact on the soil surface and ability to promote significant nutrient cycling (Crusciol et al, 2005, 2015; Nascente et al, 2013a).”