The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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ผลการค้นหา 1 - 3 จาก 21
หน้า 74
... concrete . A subsurface concrete reservoir will be dura- ble and consistently cool , and in it evaporative loss is minimized . Ken's earliest contribution to owner - builder homestead development was a low - cost all - concrete circular ...
... concrete . A subsurface concrete reservoir will be dura- ble and consistently cool , and in it evaporative loss is minimized . Ken's earliest contribution to owner - builder homestead development was a low - cost all - concrete circular ...
หน้า 226
... concrete post ; a 100 - pound force will permanently bend a steel fence post . 3. Soil conditions . Heavier posts are required in sandy soil . For very rocky soil , metal posts may be the only practical choice . Steel posts can be hand ...
... concrete post ; a 100 - pound force will permanently bend a steel fence post . 3. Soil conditions . Heavier posts are required in sandy soil . For very rocky soil , metal posts may be the only practical choice . Steel posts can be hand ...
หน้า 321
... concrete with sides 1 foot high . This SHEET - IRON GAS COVER ERI ↑ GAS USED SUMP OIL CONCRETE SLAB LIQUID LEVEL WASTES 34 " CONCRETE FOUNDATION 12 FT . 8 FT . DIGESTION EFFLUENT 22 " CROSS SECTION CONCRETE BLOCK PLAN SETTLING 22.3 ...
... concrete with sides 1 foot high . This SHEET - IRON GAS COVER ERI ↑ GAS USED SUMP OIL CONCRETE SLAB LIQUID LEVEL WASTES 34 " CONCRETE FOUNDATION 12 FT . 8 FT . DIGESTION EFFLUENT 22 " CROSS SECTION CONCRETE BLOCK PLAN SETTLING 22.3 ...
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acid acre agricultural alfalfa algae amino acids animal areas bacteria barn beans bluegill building carbohydrates carbon dioxide cattle chlorophyll climate composting concrete cool corn cover crop rotation cultivation diet digester drainage drill earth environment equipment farmers farming feed feet fence fertilizer Figure fish forage Forester fruit garden goats grafting grain grass grazing greenhouse ground growing growth harvested heat homestead humus inches increase land layer legume livestock living located manure material mature ment method milk minerals moisture mulch nitrogen nutrients nutrition orchard organic matter oxygen pasture percent pipe plant plow polyculture pond posts pounds practice produce protein pump reduced requires Rodale Press roots rotation row crops season seed sheet composting silage silo slope sod crops soil soybeans storage structure subsoil supply surface temperature tillage tion tractor tree crops ture vegetables vitamin weeds wind winter wire wood