Soil Building With Legumes Results From Illinois Soil Experiment Fields
Soil Building With Legumes Results From Illinois Soil Experiment Fields
H J Howard John Snider
The book Soil Building With Legumes Results From Illinois Soil Experiment Fields was written by author H J Howard John Snider Here you can read free online of Soil Building With Legumes Results From Illinois Soil Experiment Fields book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Soil Building With Legumes Results From Illinois Soil Experiment Fields a good or bad book?
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. . . . 1 740 83 Total . . 2 700 129 Carthage, cut in early fall Deep Tops 340 16 April 13-18 Roots 710 26 Total . . 1 050 42 Averages of two years at Spring Valley and three years at Carthage; DuBois data are for jne year only. 558 BULLETIN No. 539 field, a light-colored soil, produced only 1. 080 pounds an acre and only 27 pounds of nitrogen. Roots of sweet clover and of alfalfa showed a very decided difference in their response to the removal of hay crops. Alfalfa roots remained about the sa...me in bulk even though a hay crop was taken off regularly three times during the season, with the last cutting early in September. For sweet clover, however, the removal of a September cutting on the Carthage field caused the acre-weight of roots to drop from 1, 740 pounds to 710, as an average of three years/ Soybeans Take Nitrogen From Soils A soybean crop contains a large amount of nitrogen, but the greater part is in the beans and is removed from the land with the beans. The part returned to the soil the straw and roots is not enough to build up the nitrogen supply.
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