Composite chelate full nutritive plant growing agent and its preparing method

A technology of plant growth agent and total nutrition, which is applied in the field of compound chelated total nutrition type plant growth agent and its preparation, and the preparation of plant nutrition agent, which can solve the problem that the production cost is several times or even dozens of times higher than that of inorganic micro-fertilizers, Can not meet the needs of multiple elements, high cost of chelating agents, etc., to achieve the effect of rich elements, low price, and easy preparation method

Inactive Publication Date: 2003-04-09
TIANJIN UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the use and development of organic chelating nutrients in China are currently restricted by two factors: one is the high cost of the chelating agents used, so that the production cost of the prepared chelating nutrients is several times or even several times higher than tha

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Mix and dissolve 600 grams of diethylenetriaminepentamethylenephosphonic acid and 604 grams of potassium hydroxide in 15 liters of water, add 428 grams of ferrous sulfate (heptahydrate) to this solution to dissolve, then add 5 liters of water , the solution is green, pH 6-7, the nutritional plant growth agent (20 liters of solution) contains organic nitrogen, phosphorus, ionic potassium and 0.4% chelated iron.

Embodiment 2

[0014] Mix and dissolve 700 grams of ethylenediamine tetramethylene phosphonic acid (monohydrate) and 114 grams of calcium hydroxide in 8 liters of water, add 392 grams of potassium hydroxide to this solution to dissolve, then add 2 liters of water, the solution pH 7. The nutritional plant growth agent (10 liters of solution) contains organic nitrogen, phosphorus, ionic potassium and 0.6% chelated calcium.

Embodiment 3

[0016] Dissolve 900 grams of ethylenediamine tetramethylene phosphonic acid (monohydrate) and 776 grams of potassium hydroxide in 15 liters of water, add 495 grams of copper sulfate (pentahydrate) to this solution to dissolve, then add 5 liters of water, The pH of the solution is 7, and the vegetative plant growth agent (20 liters of solution) contains organic nitrogen, phosphorus, ionic potassium and 0.6% chelated copper element.

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Abstract

The composite chelate plant growing agent is prepared through dissolving ternary phosphonic acid, quaternary hosphonic acid, quinary phoshponic acid or their mixture as chelating agent in alkali potassium or sodium hydroxide solution; regulating the pH value of the solution; and adding calcium nitrate, potassium nitrate, magnesium nitrate, ammonium nitrate, ammonium sulfate, ferrous sulfate, manganese sulfate, zinc sulfate, copper sulfate, magnesium chloride, boric acid, calcium molybdenate, potassuim carbonate, calcium oxide, potassium oxide and magnesium oxide in certain proportion. It provides plant with necessary elements and various nutrients for plant to grow in difference stage.

Description

technical field [0001] The invention relates to a compound chelating full-vegetative plant growth agent and a preparation method thereof. It belongs to the preparation technology of plant nutrient. Background technique [0002] The plant nutrient chelated with organic liquid has the advantages of good water solubility, easy flow, stable structure, not easy to be fixed by soil, high plant absorption rate, obvious effect of increasing production and convenient use, and its superiority is obviously higher than that of inorganic fertilizers. However, the use and development of organic chelating nutrients in China are currently restricted by two factors: one is the high cost of the chelating agents used, so that the production cost of the prepared chelating nutrients is several times or even several times higher than that of inorganic micro-fertilizers. Ten times; the 2nd, the contained element system in the prepared chelated nutrient is 2-3 kinds of s...

Claims

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Application Information

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IPC IPC(8): C05D9/02
Inventor 贾伟高文远段宏泉苏艳芳薛京赵水梅
Owner TIANJIN UNIV
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