Planting Bed Preparation (cont.)
Push gravity spreader,
      2,750 SF per hour CL@.363 MSF 65.00 14.70 1.68 81.38
  Manure spreader, 34,000 SF per hour CL@.029 MSF 65.00 1.17 .13 66.30
Fertilizer and soil conditioners
  Most nitrate fertilizers, ammonium sulfate — Lb .27 — — .27
  Lawn and garden fertilizer, calcium nitrate — Lb .29 — — .29
  Hydrated lime sodium nitrate — Lb .23 — — .23
  Ground limestone — Ton 223.00 — — 223.00
  Ground dolomitic limestone — Ton 230.00 — — 230.00
  Composted manure — Lb .04 — — .04
  Peat humus — Lb .04 — — .04
  Vermiculite, perlite — CF 4.05 — — 4.05
Spreading lime at 70 pounds per 1,000 SF. Based on an 8 acre job using a tractor-drawn spreader at $25.00 per hour and 1 acre per hour. Add mixing cost from below. Note: 1 acre equals 43,560 square feet.
  Lime TO@1.00 Acre 424.00 55.90 36.70 508.00
  Lime TO@.656 Ton 242.00 36.90 24.10 303.00
Mixing soil and fertilizer in place. Medium soil. Light soil (sand or soft loam) will decrease costs shown by 20% to 30%. Heavy soil (clay, wet or rocky soil) will increase costs shown by 20% to 40%. Add soil conditioner cost from sections preceding this section.
  Mixing by hand
    2" deep, 9 SY per hour CL@.111 SY — 4.49 — 4.49
    4" deep, 7.5 SY per hour CL@.133 SY — 5.38 — 5.38
    6" deep, 5.5 SY per hour CL@.181 SY — 7.32 — 7.32
  Mixing with a 11 HP rear-tined hydraulic tiller
    2" deep, 110 SY per hour CL@.009 SY — .36 .18 .54
    4" deep, 90 SY per hour CL@.011 SY — .44 .22 .66
    6" deep, 65 SY per hour CL@.015 SY — .61 .29 .90
    8" deep, 45 SY per hour CL@.022 SY — .89 .43 1.32
  Mixing with a 3' wide tractor-driven tiller 20 HP tractor
    2" deep, 50,000 SF per hour TO@.020 MSF — 1.12 .63 1.75
    4" deep, 40,000 SF per hour TO@.025 MSF — 1.41 .79 2.20
    6" deep, 30,000 SF per hour TO@.033 MSF — 1.86 1.04 2.90
    8" deep, 20,000 SF per hour TO@.050 MSF — 2.81 1.57 4.38
  Mixing with a 6' wide tractor-driven tiller and 40 HP tractor
    2" deep, 90,000 SF per hour TO@.011 MSF — .62 .38 1.00
    4" deep, 70,000 SF per hour TO@.014 MSF — .79 .49 1.28
    6" deep, 53,000 SF per hour TO@.019 MSF — 1.07 .66 1.73
    8" deep, 35,000 SF per hour TO@.028 MSF — 1.57 .98 2.55
Leveling the surface for lawn or planting bed
  By hand, 110 SY per hour CL@.009 SY — .36 — .36
  With 6' drag harrow, at 60,000 SF per hour TO@.017 MSF — .96 .55 1.51
  With 12' drag harrow, at 115,000 SF per hour TO@.009 MSF — .51 .51 1.02
Plant bed preparation
  With a 3/4 CY wheel loader, at 12.5 CY per hour TO@.080 CY — 4.50 3.40 7.90
  By hand to 18” deep, 8.35 SY/hr CL@.118 SY — 4.77 — 4.77

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