. Circular. Agriculture; Agriculture -- United States. 26 CIRCULAK XO. 121, BUREAU OF PLANT INDUSTRY. IRRIGATION TESTS AVITII FLAX. At the request of the Montana Agricultural Experiment Station, a series of 10 one-tenth-acre plats was devoted to an irrigation test with flax (fig. 4). The purpose was to determine the amount of water best suited to this crop and the proper time of applying water. The plan of tliis experiment was to give one, two, and three irrigations at different stages of plant growth on the different plats—in one case to give but one irrigation, and that before planting. The
. Circular. Agriculture; Agriculture -- United States. 26 CIRCULAK XO. 121, BUREAU OF PLANT INDUSTRY. IRRIGATION TESTS AVITII FLAX. At the request of the Montana Agricultural Experiment Station, a series of 10 one-tenth-acre plats was devoted to an irrigation test with flax (fig. 4). The purpose was to determine the amount of water best suited to this crop and the proper time of applying water. The plan of tliis experiment was to give one, two, and three irrigations at different stages of plant growth on the different plats—in one case to give but one irrigation, and that before planting. The unusual weather conditions, especially the heavy rain in early July, tended to bring on all plats uniformly, so that the results obtained would not apply to the average season. It was possible, however, to test the effect of late irrigation. Plats irrigated after the flax was well through the bloom did not show any tendency to start a second growth and were not held back in ripening, all plats being ready for harvest on about the same date. It mav be, however, that this would. Fir,. 4.—Plats of Hax in field All, used in ihe experiment with time of irrigation. The average yield of the 10 plats in this in 1912 was bushels per acre. not appl} to a large field, especially one that was not perfectly drained and where the water was permitted to stand for any length of time. The average yield of aU the plats was at the rate of bushels per acre, and variations from this were so sUght that they could not pro})erly be attributed to differences in treatment. FIELD CORN. A test to determine the earliest and best-yielding varieties of corn suitable for use on the project ami in the rotation experiments was car- ried on during 1912 in cooperation with the Office of Corn Investiga- tions. The varieties yielded as follows: Northwestern Dent, bushels; Brown County YeUow, ; Wisconsin No. 7, ; ^linne- sota No. 13, 59; Minnesota No. 23, ; and Selection No
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