Symbiotically fixed nitrogen in legume and legume-grass mixed swards

Adamovics, A.; Klasens, V. . Faculty of Agriculture

Symbiotically fixed nitrogen in legume and legume-grass mixed swards

2002

Adamovics, A. | Klasens, V. (Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture)

Long-term field trials (1997-2000) were established on stagnic luvisol. Binary legume - grass swards were composed of Medicago media, Galega orientalis, Trifolium repens, Alopecurus pratensis, Dactylis glomerata, Festuca pratensis, Festuca rubra, Lolium perenne, Poa pratensis and Phleum pratense. Legume and legume-grass swards were developed on similar P and K fertilizer backgrounds and fertilized with either 0 N or 90 kg N ha*[-1). Swards were cut three times during the growing season. Fodder galega in soils developed symbiotic system with effective nodule bacteria and provided the productivity of swards 8.9 to 10.5 t ha*[-1) DM.

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Mots clés AGROVOC

abonos fosfatados abonos nitrogenados abonos potasicos alopecurus analytical methods azote chemical composition composition chimique contenido de materia seca crop yield dactylis glomerata dry matter content engrais potassique fertilidad del suelo fertilisation fertilizer application festuca pratensis festuca rubra field experimentation galega orientalis germinability graine gramineas graminee grasses latvia legumes leguminosas letonia lettonie lolium perenne luvisol luvisoles luvisols medicago nitrogen nitrogen fertilizers phleum pratense phosphate fertilizers poa pratensis poder germinativo pollution potash fertilizers recherche rendement des cultures rendimiento de cultivos research seed seed treatment seeds semence semilla semillas simbiosis soil fertility symbiose symbiosis technique analytique traitement des semences tratamiento de semillas trifolium repens

Informations bibliographiques

Publié dans

Agronomijas vestis (Latvia) | Proceedings in Agronomy

Numéro 4

Pagination

pp. 143-146

D'autres materias

Composicion quimica; Faculte germinative; Nitrogeno; Engrais phosphate; Tecnicas analiticas; Engrais azote; Aplicacion de abonos; Nitrogen fixing bacteria; Bacteria fijadora del nitrogeno; Investigacion; Fertilite du sol; Legumineuse; Experimentacion en campo; Bacterie fixatrice de l'azote; Polucion; Experimentation au champ; Teneur en matiere seche

Langue

letton

Note

Summaries (En, Lv)

1 table; 5 ref.

Titre traduit

Simbiotiski saistitais slapeklis taurinziezu un taurinziezu-stiebrzalu zelmenos

Type

Summary; Non-Conventional

Sur AGRIS depuis: 2002-08-15

Format: AGRIS AP

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Symbiotically fixed nitrogen in legume and legume-grass mixed swards

2002

Mots clés AGROVOC

Informations bibliographiques