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If annual weeds are a problem, several tillage operations may be required to get adequate <br />control. <br />6. Final Seedbed Preparation -(For sideroll irrigated areas) Harrowing and cultipacking prior to <br />seeding will be conducted as needed in order to provide the smooth, firm seedbed required. In <br />any areas that may be poorly drained, tillage will be timed in order to reduce bogging, excessive <br />compaction and excessive cloddiness caused by tillage when soils are wet. The best period for <br />tillage in these areas may be in the early spring prior to the irrigation season (prior to midApril). <br />(For flood irrigated areas) - A plow pulling a standard marker will create furrows of approximately <br />4" to 6" depth on 30" centers, which is standard for the gated pipe used for the flood irrigation. <br />7. Initial Fertilizer Application - Based on the results of the fertility testing, fertilizer of the <br />designed type will be applied at the rate specified from the lab testing. The fertilizer <br />recommendation will account for the companion crop to be grown with the alfalfa crop. The <br />fertilizer is in solid form and will be applied by small tractor with a broadcast spreader. The <br />fertilizer will be applied in the Spring of the same year that the initial fertility testinds done. <br />Ongoing fertility testing after initial seeding is described in Section 2.05.4(2)(e) Revegetation.