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Time of seeding and turning vetch for cotton and corn
- Funchess, M.J.
- Agronomy journal 1928 v.20 no.3 pp. 294-297
- Vicia, cotton, corn, green manures, planting date
- Experiments with monantha vetch, hairy vetch and Austrian peas as green manuring crops have shown that they should be planted early in the fall. Best results were secured when planted the latter part of September. Later plantings gave considerably smaller yields in the spring. Vetch turned as early as March 15 produced large increases in yield of cotton or corn. The increase was approximately equivalent to that obtained from the use of 200 to 300 pounds of nitrate of soda. When turned April 1 or April 15 an additional increase was obtained with corn. On the other hand, delayed turning reduced the yield of cotton, although the amount of nitrogen turned under was more than double the nitrogen content of the early turned vetch.