Annual report of the Agricultural Experiment Station of the University of Minnesota . dimental food. The average digestibility of the proteinin the two trials without the condimental food is percent, and with the condimental food is per cent. Willithe other nutrients the difference is not as great but still infavor of the ration without the condimental food. The 176 ALFALFA. condimental food seems to have much the same laxativeeffect as the green alfalfa, but to a greater extent. Table LXXIX gives the percentage of digestible nutri-ents of Minnesota grown alfalfa hay as compared wi
Annual report of the Agricultural Experiment Station of the University of Minnesota . dimental food. The average digestibility of the proteinin the two trials without the condimental food is percent, and with the condimental food is per cent. Willithe other nutrients the difference is not as great but still infavor of the ration without the condimental food. The 176 ALFALFA. condimental food seems to have much the same laxativeeffect as the green alfalfa, but to a greater extent. Table LXXIX gives the percentage of digestible nutri-ents of Minnesota grown alfalfa hay as compared with thatof some of our other common feeding stuffs. TABLE LXXIX. PERCENTAGE OF DIGESTIBLE NUTRIENTS IN DRY MATTER. Alfalfa Hay Red Clover •Timothy Hay.*Corn ?Barley •Corn Meal •Wheat CrudeProtein EtherExtract Fiber 2 3 60 Nitrogen- free-Extract Minnesota Experiment Station, Bulletin No. 36. FERTILIZING VALUE OF ALFALFA. 177. 178 ALFALFA. FERTILIZING VALUE OF ALFALFA. Because alfalfa has the power of appropriating for itsuse the free nitrogen of the air, it has a high fertilizing crop of alfalfa plowed under adds large stores of this mostvaluable plant food to the soil. The roots when deca}edfurnish to the soil large amounts of humus which improvesit for crop production both chemically and physically. TheWyoming Experiment Station found that when alfalfa landwas plowed and planted to wheat, it produced $8 to $12more value in wheat per acre than the land that had grownpotatoes and grain before. Alfalfa land gave $16 worthmore of potatoes per acre than was obtained from land thathad grown potatoes and grain before.* In the digestion trial in which green alfalfa was fed, thesolid and liquid excrement of the steers contained 94 percent of the nitrogen consumed in the food. Of this amountnearly 75 per cent was contained
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