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Publication Date
1977
Description
The effect of different doses of N, P and K fertilizers on the hay yield and the yields of crude protein and amino acids was tested in 3-year investigations conducted on non-irrigated grassland. Nitrogen is the most decisive mineral fertilizer in regard of yield increase and the improvement of forage quality. Exclusive application of 280-360 kg N/ha may give a 140 to 150% increase in hay yields. At the same time, the yields of crude protein and amino acids can be increased by 220-270%. These fertilizer doses raise the crude protein and amino acid contents in hay by about 40 %. This yield-increasing effect of nitrogen fertilization cannot be essentially augmented by adding P and K fertilizers. P and K fertilizers applied without additional nitrogen fertilization did not lead to higher yields or better quality.
Citation
Varga, Janos; Nagy, Maria; and Schummel, Jozsef, "Effect of different mineral fertilizers on yield and quality of grassland" (1977). IGC Proceedings (1977-2023). 28.
(URL: https://uknowledge.uky.edu/igc/1977/sess7/28)
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Effect of different mineral fertilizers on yield and quality of grassland
The effect of different doses of N, P and K fertilizers on the hay yield and the yields of crude protein and amino acids was tested in 3-year investigations conducted on non-irrigated grassland. Nitrogen is the most decisive mineral fertilizer in regard of yield increase and the improvement of forage quality. Exclusive application of 280-360 kg N/ha may give a 140 to 150% increase in hay yields. At the same time, the yields of crude protein and amino acids can be increased by 220-270%. These fertilizer doses raise the crude protein and amino acid contents in hay by about 40 %. This yield-increasing effect of nitrogen fertilization cannot be essentially augmented by adding P and K fertilizers. P and K fertilizers applied without additional nitrogen fertilization did not lead to higher yields or better quality.
