The Owner-built HomesteadScribner, 1977 - 394 หน้า |
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ผลการค้นหา 1 - 3 จาก 30
หน้า 155
... fertilizer is a slow process , giving it time to go through an intermediate stage in which it becomes a soluble salt , ammonium nitrate . After this , salts are broken up into usable nitrogen and water for their consumption by plants ...
... fertilizer is a slow process , giving it time to go through an intermediate stage in which it becomes a soluble salt , ammonium nitrate . After this , salts are broken up into usable nitrogen and water for their consumption by plants ...
หน้า 177
... fertilizer destroy the tender feeder roots of trees . Many newly planted trees die because the grower , eager to give the trees a good start , forces massive amounts of fertilizer into root zones . A mixture of damp peat moss and loamy ...
... fertilizer destroy the tender feeder roots of trees . Many newly planted trees die because the grower , eager to give the trees a good start , forces massive amounts of fertilizer into root zones . A mixture of damp peat moss and loamy ...
หน้า 223
... fertilizer explosives are best employed on large - scale projects requiring removal of huge stumps or boulders . Placed in large - sized bore holes , regular 60 - percent dynamite is used as a primer to detonate the fertilizer . A ...
... fertilizer explosives are best employed on large - scale projects requiring removal of huge stumps or boulders . Placed in large - sized bore holes , regular 60 - percent dynamite is used as a primer to detonate the fertilizer . A ...
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