| 摘要 |
THE INNOVATION RELATES TO A MIXED FERTILIZER IN A COMPACTED BLOCK FORM WEIGHING MORE THAN 0.3 KG USED IN CROP PLANTS WHEREIN SAID COMPACTED FORM CONTAINS N OR P OR K OR COMBINATIONS THEREOF AND OPTIONALLY OTHER ELEMENTS BUT EXCLUDING CYANAMIDE AND DOLOMITIC LIMESTONE IN A SUITABLE RATIO FOR APPLICATION TO THE CROP PLANTS, WHEREIN THE NUTRIENTS ARE UNIFORMLY DISTRIBUTED THROUGHOUT THE COMPACTED FORM, WHEREIN SAID RATIO IS IN THE FOLLOWING RANGE: 5to 14N 3 to 10 P205 8 to 27K20
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