Humic acid composite fertilizer and the prepn. method therefor

The humic acid composite fertilizer is made up by using the following ingredients: (wt%) urea 3-45, diammonium phosphate 12-50, potassium chloride or potassium sulfate 6-42, brown coal 14-55, ammoniawater 3-10, bentonite 2-4, sodium silicate 1-2 and trace elements of zinc, boron and manganese 1-2. S...

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Bibliographische Detailangaben
Hauptverfasser:	YAOZONG HE, CHANGMIN DING, JUNXIANG SHEN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS
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Beschreibung
Zusammenfassung:	The humic acid composite fertilizer is made up by using the following ingredients: (wt%) urea 3-45, diammonium phosphate 12-50, potassium chloride or potassium sulfate 6-42, brown coal 14-55, ammoniawater 3-10, bentonite 2-4, sodium silicate 1-2 and trace elements of zinc, boron and manganese 1-2. Said invention also can be made into various special-purpose fertilizers for rice, maize, beans, fruit tree and tobacco by changing the contents of the above-mentioned ingredients. Said invention possesses the advantages of improving soil, raising of the above-mentioned ingredients. Said invention possesses the advantages of improving soil, raising crops yield and quality, raising disease resistance, coldness resistance and dry resistance, and promoting early-maturing and possessing several nutrients necessary for crops growth. Besides, present invention also provides the production method of said humic acid composite fertilizer.