The effect of the form and rate of nitrogen fertilization on the yield and biological value of green matter of rye grown as winter aftercrop. 1. Yield of rye as depending on the form and rate of nitrogen fertilizers and the date of harvest

Ziolek, E.; Szmigiel, A.

Acta Agraria et Silvestria, Agraria 17(1): 91-105

1977


Accession: 000536671

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Abstract
In field trials in 1972-4, 0, 60, 120, 180 or 240 kg N/ha as NH4NO3 or urea was applied to rye grown as a winter catch-crop for fodder. There was a progressive increase in yield of green forage or DM and of protein and oat units/ha with increase in rate of N applied. NH4NO3 resulted in better yields of green matter, DM and protein than urea. N utilization and the productive response to N decreased with increase in rate of N applied.