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5. Two years seeding of rye worked in after maturity prior to <br /> new seeding of rye and then seeded to grasses . <br /> 6 . Three years seeding of rye with every crop being worked in <br /> before seeding to grasses after the third rye crop. <br /> All the cereal rye plots are to be rototilled in the <br /> fall, and reseeded to grass or cereal rye again as soon as the <br /> snow melts in the spring . The plot area was limed with CaO at <br /> the rate of 4 T/A CaCO3 . Phosphate was applied at the rate of <br /> 200 lbs. P2O5/A as 0-46-0 and potash was also applied at 200 <br /> lbs. K2O/A as 0-0-50. The lime, P and K were mixed about six <br /> inches deep into the tailing with a rototiller in June of 1976 . <br /> After germination, nitrogen was broadcast at the rate of 100 <br /> lbs. N/A as 33-0-0 . <br /> The control and the 2 and 4 T/A barley straw plots <br /> were seeded at the rate of 40 lbs/A with the Climax seed <br /> mixture . The three rye plots were seeded with cereal rye at the <br /> rate of 40 lbs/A. The rye was hand broadcast while the grass <br /> mixture was cyclone-seeded on June 26 , 1976 . <br /> After the lime (CaO) was evenly distributed, the plots <br /> were rototilled twice about 6 inches deep, then the fertilizers <br /> (P2O5 and K2O) were hand broadcast and the plots were rototilled <br /> again. The straw mulch was spread by hand as evenly as possible <br /> and then rototilled twice . On plots receiving 4 T/A straw <br /> mulch, the straw was spread on in 2-ton increments and roto- <br /> tilled twice following each application. <br /> In addition to the above formal study, the area sur- <br /> rounding the plots were limed, fertilized, mulched with 2 T/A <br /> alfalfa hay and seeded with the Climax mixture at the same rate <br /> as the plots . About 20 spruce were transplanted in the soil <br /> area south of the plots . Six clumps of willows were also trans- <br /> planted to the south and southeast of the plots. Prior to <br /> transplanting trees and willows in tailing , a volume of tailing <br /> about four times the volume of the root spread was dug out, <br /> limed and fertilized with NPK in addition to the area treatment <br /> and then replaced. All trees and willows were watered when <br /> transplanted and at least twice more during the summer. Willow <br /> cuttings were also planted on the west side of Replication I . <br /> 9-17 <br />