The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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ผลการค้นหา 1 - 3 จาก 91
หน้า 114
... soil . A light , sandy soil or one that is highly weathered requires less soil amendment to raise or lower pH than a clay soil or one high in organic content . Figure 7.5 , taken from Bulletin No. 140 of the New Zea- land Department of ...
... soil . A light , sandy soil or one that is highly weathered requires less soil amendment to raise or lower pH than a clay soil or one high in organic content . Figure 7.5 , taken from Bulletin No. 140 of the New Zea- land Department of ...
หน้า 115
... soil elements . It is just as important to know the percentage of calcium , magnesium , and potassium in soil . A complete soil and plant - tissue test kit is available from the Ag- ricultural Experiment Station at Purdue University in ...
... soil elements . It is just as important to know the percentage of calcium , magnesium , and potassium in soil . A complete soil and plant - tissue test kit is available from the Ag- ricultural Experiment Station at Purdue University in ...
หน้า 116
... soil has arisen . But , since our approach is to rebuild that resource rather than continue to rape what remains of it , the scientific name for the soil we start with is insignificant . The most important thing homesteaders should know ...
... soil has arisen . But , since our approach is to rebuild that resource rather than continue to rape what remains of it , the scientific name for the soil we start with is insignificant . The most important thing homesteaders should know ...
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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