Seed production of smooth meadow grass (Poa Pratensis L.) as influenced by soil type, pH and compaction II. Seed yields and other plant characteristics

alopecurus geniculatus caracteres de rendimiento composante de rendement encamado establecimiento de plantas germination lodging malezas mauvaise herbe ph plant establishment poa annua poa pratensis production de semences seed seed production semence semillas soil types type de sol variedades varieties verse weeds yield components