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Publication Date

1977

Description

The correlation between hay yield and climatic indices is very close. In one-, two-and three-year alfalfa stands correlations with the annual climatic index were always closer than those with the climatic index of the growing season. Therefore, precipitations falling outside the growing season have a positive effect on alfalfa crop yields as well. In the future it will thus be more suitable to use the data of annual weather conditions. The climatic factors have a considerable influence on the crude protein content. A very close negative correlation was shown between the respective annual climatic indices and the crude protein content.

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Examination of relationship between hay yield, crude protein content and climatic index with alfalfa

The correlation between hay yield and climatic indices is very close. In one-, two-and three-year alfalfa stands correlations with the annual climatic index were always closer than those with the climatic index of the growing season. Therefore, precipitations falling outside the growing season have a positive effect on alfalfa crop yields as well. In the future it will thus be more suitable to use the data of annual weather conditions. The climatic factors have a considerable influence on the crude protein content. A very close negative correlation was shown between the respective annual climatic indices and the crude protein content.