Nitrogen fixation by nine white clover cultivars in grazed pasture, as affected by nitrogen fertilization

Forage production and N₂ fixation were determined for nine cultivars of white clover (Trifolium repens L.) grown with perennial ryegrass (Lolium perenne L.) and receiving nitrogen (N) fertilizer at either 0 or 390 kg ⊸ ha⁻¹ yr⁻¹. The site was grazed by sheep at 3 or 6 (in winter and summer) week int...

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Veröffentlicht in:	Plant and soil 1996, Vol.178 (2), p.193-203
Hauptverfasser:	Ledgard, Stewart F., Sprosen, Mike S., Steele, Keith W.
Format:	Artikel
Sprache:	eng
Schlagworte:	abonos nitrogenados Agricultural site preparation Agricultural soils Agronomy. Soil science and plant productions Biochemistry and biology Biological and medical sciences Chemical, physicochemical, biochemical and biological properties Clover Cultivars: description, identification, tests, catalogs engrais azote fijacion del nitrogeno fixation de l' azote Fundamental and applied biological sciences. Psychology General agronomy. Plant production Generalities Genetics and breeding of economic plants Grasses Nitrogen Nitrogen fertilization Nitrogen fertilizers Nitrogen fixation Nitrogen, phosphorus, potassium fertilizations pastizales Pastures paturages Physics, chemistry, biochemistry and biology of agricultural and forest soils Plants Seasons Soil science Soil-plant relationships. Soil fertility. Fertilization. Amendments trifolium repens variedades Varietal selection. Specialized plant breeding, plant breeding aims variete varieties
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