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Relationships between pasture yields and some morphological features in Kentucky bluegrass (Poa pratensis L.), perennial ryegrass (Lolium perenne L.) and couch grass (Agropyron repens L.)



Relationships between pasture yields and some morphological features in Kentucky bluegrass (Poa pratensis L.), perennial ryegrass (Lolium perenne L.) and couch grass (Agropyron repens L.)



Wiadomosci Instytutu Melioracji i Uzytkow Zielonych 13(3): 7-18



In a pasture trial conducted over 8 yr, data on stem length, leaf length and width, number of leaves/plant and forage yield collected at the 5th cut in 1973 were used to determine correlations between yield and the floristic composition of the main component grasses (a) Kentucky bluegrass, (b) perennial ryegrass and (c) A. repens given 7 N levels (0-600 kg N/ha). At high N levels, (c) suppressed (a) and (b), forming 50% of the sward and total yield.

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Accession: 000734419

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