Tuesday, June 2, 2015

Some farmers use the cowpea crop only as a soil-enricher

Some farmers use the cowpea crop only as a soil-enricher

Some farmers use the cowpea crop only as a soil-enricher



Some farmers use the cowpea crop only as a soil-enricher. Hence they neither gather the seeds nor cut the hay, but plow the whole crop into the soil. There is an average of about forty-seven pounds of nitrogen in each ton of cowpea vines. Most of this valuable nitrogen is drawn by the plants from the air. This amount of nitrogen is equal to that contained in 9500 pounds of stable manure. In addition each ton of cowpea vines contains ten pounds of phosphoric acid and twenty-nine pounds of potash.


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