. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 44 MASS. EXPERIMENT STATION BULLETIN 196. ment had been neither manured nor fertilized. These yields are shown in Table II, as also are the yields of drj^ matter in 1899 on all the other plots. Table II. — Dry Matter per Plot after Uniform Manuring in 1899. Ensilage Corn {Pounds per Plot). South Half. 1, 2, 3, 4, 5, 1,696 1,271 1,551 1,703 It will be noted that there is but little variation in yield between N and S on the other different original plots, the extreme range being from 1,550 to 1
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 44 MASS. EXPERIMENT STATION BULLETIN 196. ment had been neither manured nor fertilized. These yields are shown in Table II, as also are the yields of drj^ matter in 1899 on all the other plots. Table II. — Dry Matter per Plot after Uniform Manuring in 1899. Ensilage Corn {Pounds per Plot). South Half. 1, 2, 3, 4, 5, 1,696 1,271 1,551 1,703 It will be noted that there is but little variation in yield between N and S on the other different original plots, the extreme range being from 1,550 to 1,750 pounds. The results obtained, therefore, indicate that the conditions for the comparison of the two systems of applying manure were fairly satisfactory. I would, however, call attention to the fact that probably more im- portant than variations in fertility dependent upon differences in plant- food content were differences in moisture conditions on the different plots. The slope used in the experiment lay upon the west side of a drumUn, a geological formation extremely common and highly important in the agriculture of Massachusetts. As is likely to be the case with slopes on drumlins there is a tendency for seepage water, which sinks into the soil farther up on the slope or on the summit, to work outward toward the surface on the lower parts of the slope. During some years and with some crops this movement of soil water exerted comparatively little effect on the crop, but there can be no doubt that in seasons of comparatively heavy rainfall during the period of most active growth, especially of crops such as corn and soy beans which require high soil temperature for best results, it was sufficient on some of the plots to keep the soil cooler and wetter than is desirable for the best yields. Relative Effects of the Two Systems of Manuring on Crop Yields. Table III shows the crops grown in successive years during the period of the experiment under consideration, and for ea
Size: 1241px × 2013px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthormassachusettsagricult, bookcentury1900, bookdecade1900
