Special fertilizer for mulberry trees and preparation method thereof
The invention provides a special fertilizer for mulberry trees, belonging to the technical field of organic fertilizers. The fertilizer comprises the following raw materials in parts by weight: 80-100 parts of fermented poultry and livestock excrement, 30-50 parts of humic acid, 60-80 parts of silkw...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention provides a special fertilizer for mulberry trees, belonging to the technical field of organic fertilizers. The fertilizer comprises the following raw materials in parts by weight: 80-100 parts of fermented poultry and livestock excrement, 30-50 parts of humic acid, 60-80 parts of silkworm excrement, 20-30 parts of weathered coal, 1-3 parts of boron fertilizers, 3-5 parts of ferrous sulfate, 5-10 parts of ammonium molybdate, 30-50 parts of river mud, 5-10 parts of EM (effective microorganisms) and 50-80 parts of waste tea dregs. The special fertilizer for mulberry trees is reasonable in proportioning, is nutritious and efficient, can fully provide the nutrient elements required for growth of the mulberry trees, is beneficial for the mulberry trees to absorb, and has the effects of preventing soil hardening and greatly increasing the leaf forming quantities of the mulberry trees. |
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