Rare-earth multi-element plant nutrient fluid and preparing method thereof

A technology for plant nutrient solution and nutrient solution, which is applied in the fields of botanical equipment and methods, plant growth regulators, fertilizer mixtures, etc., can solve the problems of unreachable rare earth concentration, uncontrollable artesian state, limited rare earth, etc., and achieves practical safety. performance, suitable for storage and transportation, high-tech content

Inactive Publication Date: 2004-09-15
JUYUAN HIGH TECH DEV BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the presence of a large amount of medium and micronutrient elements, the rare earths that can be complexed are very limited, far from reaching the concentration that can make rare earths play the role of regulators. In fact, the existence of rare earths in liquid compound fertilizers is in an uncontrollable self-flowing state. state

Method used

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Examples

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Effect test

preparation example Construction

[0064] 1. Preparation of rare earth multi-component plant nutrient solution: (calculated based on a total amount of 200 liters)

[0065] Take 40kg of rare earth nitrate and dissolve it in 50L of water to make a rare earth saturated solution. Under strong stirring, add 10kg of EDTA and 40L of a solution containing 12kg of EDTMP to the rare earth solution, adjust the pH value to 4.0-4.5 with potassium hydroxide solution, keep the reaction temperature at 60°C, and react for 1 hour to obtain a light rare earth chelated intermediate .

[0066] Take 80g of manganese nitrate, 60g of copper nitrate, 70g of zinc nitrate, 200g of ferrous nitrate, and 30g of ammonium molybdate as raw materials, mix and dissolve them in 20L of water, add mixed complexing agents ascorbic acid, tartaric acid, and citric acid under stirring, and the weight is 0.8kg respectively , 0.8kg and 8kg were reacted at room temperature for 30 minutes to obtain a ferromanganese chelate intermediate.

[0067] Dissolve...

Embodiment 1

[0072] Experimental location: Dongqianzhuang, suburb of Changli County, in 2001, two treatments were set up, that is, 500 times of rare earth multi-nutrient solution and clear water were sprayed on the leaves for three repetitions, and the area of ​​the plot was 20m 2 , The soil nutrient status is organic matter 1.79%, alkaline nitrogen 74ppm, available phosphorus 15ppm, available potassium 80ppm.

[0073] Crop name: rice. Variety: Kaixi No. 7. Sowing on April 19, harvesting on October 7, field management and application of base fertilizer, the test field was the same as the control field, 35 kg of Shandong Zibo four elements were applied per mu, 20 kg of urea was topdressed at the jointing stage, and rice blast net, 1605 three times, once every 10 days, watering 7 times throughout the growth period. Each mu of experimental field was sprayed with 500 times of rare earth multi-nutrient solution 200ml for three times on July 30, August 7 and August 14 respectively, and the con...

Embodiment 5

[0082] Location: Xinjiang Uygur Autonomous Region Academy of Agricultural Sciences High-Tech Demonstration Park; Time: 2001; Crop Name: Processed tomato, variety GL78. Two treatments (namely: spraying rare earth multi-nutrient solution and spraying the same amount of clear water) were repeated three times in the experiment. The area of ​​each plot is 9.75m 2 , 29 strains. Spray once on June 29th and July 18th during the tomato fruit setting period and July 18th, respectively. For the first mu, use 120ml of stock solution, diluted 600 times; for the second mu, use 240ml of stock solution to dilute 400 times and spray, and spray the same amount of clear water in the control field. After three production tests on August 9, August 25, and September 19, the combined calculation shows that the average yield of the experimental field is 3,750 kilograms per mu, and the average yield of the control field is 3,080 kilograms per mu. The results show that the tomato yield increased by ...

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Abstract

The invention relates to a rare-earth multielement plant nutrient solution and preparing method, using light rare earth, multiple nitrates, urea, phosphoric acid as well as complexing agents such as EDTA, EDTMP, vitamin C, tartaric acid, citric acid and so on, to prepare it through the procedures of raw materials preparation, chelating medium body preparation, chain chelation reactions, compound preparation, etc. It has high content of light rare-earth and plant nutrient element, reasonable mixing proportion, good stability, etc, applied to spray multiple crops.

Description

technical field [0001] The invention relates to a multi-component plant liquid compound fertilizer and its preparation method, more specifically, to a multi-component plant nutrient solution rich in light rare earth elements and its preparation method Background technique [0002] The current trend of chemical fertilizer development is mass production and application of compound fertilizers. The advantage is that the formulation of various nutritional elements is reasonable and comprehensively applied, thus reducing application procedures, saving labor and time. In order to overcome the shortcomings of solid compound fertilizers that are easy to block fertilization machinery, low nutrient utilization and slow absorption by crops, liquid compound fertilizers (foliar fertilizers) have developed rapidly in recent years. With the increase in demand for vegetables, fruits, flowers, medicinal materials and specialty crops and the development of greenhouse planting and soilless cu...

Claims

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Application Information

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IPC IPC(8): A01N59/00C05D9/00C05G3/00
Inventor 杜红星安常娥
Owner JUYUAN HIGH TECH DEV BEIJING
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