The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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ผลการค้นหา 1 - 3 จาก 24
หน้า 108
... materials produced during their life cycles , to form a dynamic , ever - changing , organic matter called humus . ( We could even call the nutritive layer of the earth a humusphere . ) Humus is at once both the source of energy and food ...
... materials produced during their life cycles , to form a dynamic , ever - changing , organic matter called humus . ( We could even call the nutritive layer of the earth a humusphere . ) Humus is at once both the source of energy and food ...
หน้า 109
... Organic matter , applied as mulch , slowly decomposes without the excessive heat buildup and the loss of nutrient gases that take place in the composting method . A program of composting with mulch is called , appropriately , sheet ...
... Organic matter , applied as mulch , slowly decomposes without the excessive heat buildup and the loss of nutrient gases that take place in the composting method . A program of composting with mulch is called , appropriately , sheet ...
หน้า 114
... organic matter encourages the oxidation process . This illustrates the importance of organic matter to 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 ...
... organic matter encourages the oxidation process . This illustrates the importance of organic matter to 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 ...
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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