The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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หน้า 102
Barbara Kern, Ken Kern. Farsighted agriculturists have found that when weeds are allowed to grow with corn , the crop ... Weed growth loosens soil and enlarges the feeding zone of other crops . Crop roots will follow weed roots deep into ...
Barbara Kern, Ken Kern. Farsighted agriculturists have found that when weeds are allowed to grow with corn , the crop ... Weed growth loosens soil and enlarges the feeding zone of other crops . Crop roots will follow weed roots deep into ...
หน้า 123
... weeds play in the successive develop- ment of optimum sod cover cannot be overstated . Weeds con- dition soil . They germinate well in the anaerobic conditions of hardpan . Their vigorous root systems open soil , pulverizing it and ...
... weeds play in the successive develop- ment of optimum sod cover cannot be overstated . Weeds con- dition soil . They germinate well in the anaerobic conditions of hardpan . Their vigorous root systems open soil , pulverizing it and ...
หน้า 162
... weeds associate with specific crops . By rotating crops , nuisance weeds can be expelled . Planting with mulch of course prevents the germination of annual weeds , just as mowing before flowering time prevents the formation of weed seed ...
... weeds associate with specific crops . By rotating crops , nuisance weeds can be expelled . Planting with mulch of course prevents the germination of annual weeds , just as mowing before flowering time prevents the formation of weed seed ...
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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