Impact of phosphorus fertilization on forage and pasture seed production: from research stations to farmers' fields

abonos fosfatados biomasa biomass biomasse grain graine granos grosseur des semences industria de semillas industrie des semences lathyrus ochrus lathyrus sativus maroc marruecos medicago morocco pastizales pastures phosphate fertilizers pisum sativum production de semences rendement rendimiento seed industry seed production seed size seeds semilla vicia ervilia vicia narbonensis vicia sativa vicia villosa yields