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A kind of nitrogen potassium dressing fertilizer and preparation method thereof with slow release effect
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A kind of humic acid slow release soil-modifying fertilizer and preparation method thereof
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Plant source disease-resistant foliage fertilizer and preparation method thereof
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Environment-friendly type water keeping agent and preparation method thereof
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Culture base-material of the cultivating agaricus bisporus by using moss slag of stalk production biogas and preparation method thereof
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Culture base-material of a kind of stalk natural pond slag for cultivating coprinus comatus and preparation method thereof
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Culture base-material of a kind of cultivating drumstick mushroom by using moss slag lees and preparation method thereof
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Water accumulating and supplying underground container method for fruit tree in mountainous dry land
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Whole-nutrition biological flushing and spreading fertilizer and preparation method thereof
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Biological biodegradable self-control slow-releasing fertilizer and preparation method thereof
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Composite organic-inorganic fertilizer and its production process
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High-concentration multi-element liquid fertilizer and its preparing process
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Method for quickly improving salinized soil by drip irrigation and washing and controlling salt
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Mineral and organbic fertilizer combined soiless culture method
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Quantity-contorllable multifunctional gas fertilizer of solid CO2 and its preparing process
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