Data/hora: 01/06/2024 22:08:47

Biblioteca(s): | Embrapa Rondônia.
Data corrente: | 04/10/1997
Data da última atualização: | 04/10/1997
Autoria: | KUMARASINGHE, K. S.; ESKEW, D. L.
Afiliação: | International Atomic Energy Agency, Vienna e Institute of Agriculture da University of Tennessee, Knoxville, U.S.A.
Título: | Isotopic studies of azolla and nitrogen fertilization of rice.
Ano de publicação: | 1993
Fonte/Imprenta: | Dordrecht: Kluwer / International Atomic Energy Agency, 1993.
Páginas: | 145p.
Série: | (Developments in Plant and Soil Science, 51).
ISBN: | 0-7923-2274-6
Idioma: | Inglês
Notas: | Report of an FAO/IAEA/SIDA Co-ordinated Research Programme on Isotopic Studies of Nitrogen Fixing and Nitrogen Cycling by Blue-Grees Algae and Azolla.
Conteúdo: | Assesment of nitrogen fixation in azolla using the 15N isotope dilution technique; Comparison of the direct and indirect 15N methods for evaluation of N uptake by rice from azolla; Use of 15N labelled ammonium sulphate and 15N labelled urea as a source for labelling azolla with 15N; Effects of urea and azolla on N uptake and yield of rice; Co-ordinated field evaluation of azolla N uptake and yield response of rice in Bangladesh, China, Indonesia, Pakistan, Philippines, Sri Lanka and Thailand; Residual effects of azolla N to a second crop of rice of wheat; A comparative study of the effects of azolla species and strain on availability of N to rice; Comparison of the availability of N from fresh vs dried azolla; Effects of phosphorus fertilization on growth and N accumulation in azolla; Nitrogen balance studies in azolla/rice cropping systems; Increasing fertilizer use efficiency of urea using azolla.
Palavras-Chave: | Radioative tracers.
Thesagro: | Arroz; Azolla; Fertilizante; Fixação de Nitrogênio.
Thesaurus Nal: | nitrogen fertilizers; rice.
Categoria do assunto: | --
Registro original: | Embrapa Rondônia (CPAF-RO)
Exemplares: | CPAF-RO - (2054-1) - ADC - LV - -- - 633.1889 - K97i - 1997.0213 - DIS