The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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ผลการค้นหา 1 - 3 จาก 22
หน้า 95
... irrigation , especially in arid regions , will destroy the soil profile , making plant propagation futile . The salt in irrigation water will never evaporate . It accumulates in amounts toxic to plants . About one - quarter of all ...
... irrigation , especially in arid regions , will destroy the soil profile , making plant propagation futile . The salt in irrigation water will never evaporate . It accumulates in amounts toxic to plants . About one - quarter of all ...
หน้า 96
... irrigation , the newest method of crop - watering , con- serves water and soil . This system delivers small quantities of water applied frequently but at a slow rate by a low - pressure water system . As a result , orchard trees reach ...
... irrigation , the newest method of crop - watering , con- serves water and soil . This system delivers small quantities of water applied frequently but at a slow rate by a low - pressure water system . As a result , orchard trees reach ...
หน้า 98
... IRRIGATION FACTS EFFECT OF IRRIGATION ON INCREASING YIELD OF CROPS CROP PERCENT INCREASE BROCCOLI SHALLOW MEDIUM ROOTING DEPTHS DEEP 18-24 IN . 36-48 IN . OVER 48 IN . BEAN CABBAGE BEET SWEET CORN 2,281 CAULIFLOWER CUCUMBER 547 CARROT ...
... IRRIGATION FACTS EFFECT OF IRRIGATION ON INCREASING YIELD OF CROPS CROP PERCENT INCREASE BROCCOLI SHALLOW MEDIUM ROOTING DEPTHS DEEP 18-24 IN . 36-48 IN . OVER 48 IN . BEAN CABBAGE BEET SWEET CORN 2,281 CAULIFLOWER CUCUMBER 547 CARROT ...
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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