. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 38 BULLETIN 398, U. S. DEPARTMENT OF AGEICULTUKE. VARIETAL EXPERIMENTS IN NURSERY ROWS. Nursery work with flax was not started until 1914, wlien 50 va- rieties and strains were tested. These varieties were grown in fiftieth- acre and hundredth-acre plats and in 8-rod rows. Most of them were recent importations from Europe which were grown in this country for the first time in 1914. In 1915 the flax nursery was increased. In addition to the tests in fiftieth-acre plats and 8-rod rows, 204 selections were grown in head r
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 38 BULLETIN 398, U. S. DEPARTMENT OF AGEICULTUKE. VARIETAL EXPERIMENTS IN NURSERY ROWS. Nursery work with flax was not started until 1914, wlien 50 va- rieties and strains were tested. These varieties were grown in fiftieth- acre and hundredth-acre plats and in 8-rod rows. Most of them were recent importations from Europe which were grown in this country for the first time in 1914. In 1915 the flax nursery was increased. In addition to the tests in fiftieth-acre plats and 8-rod rows, 204 selections were grown in head rows. Some of the head rows were selections from the most promising varieties and some were selections from a natural hybrid. A view of the flax nursery in 1915 is shown in figure 17. Several promising varieties which are now being gro^vn in the nursery will soon be added to the varietal test. t^^Uyt^k^l. - «?V -c^^JJ Fig. 17.—The flax nursery at the Judith Btisin substation, 1915. (From a photograph lent by the OlBce of Exhibits, U. S. Department of Agriculture.) DATE-OF-SEEDING EXPERIMENT. There appears to be some question as to the proper date on which to sow flax. The impression seems to exist in some sections that flax should be sown later than the spring grains. The date-of-seed- ing test at Moccasin has not been conducted long enough to justify drawing definite conclusions from it. The results seem to indicate, however, that early seeding is the best. In 1915 the highest yield was obtained from the plat seeded on April 9. While there was some freezing weather after this date it apparently did no harm to the flax. The tests at Moccasin show that flax should be sown not later than May 1, as seedings made after that date will not produce as good yields. RATE-OF-SEEDING EXPERIMENT. A rate-of-seeding test with flax is being conducted at Moccasin, but, like the date-of-seeding test, it has not been continued long enough to justify any definite conclusions. During the last th
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