Organic fertilizer for stevia rebaudiana

A technology of organic fertilizer and stevia, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of unattainable chemical fertilizers, lax soil requirements, early flowering in cultivation, etc. The effect of reducing soil bulk density and stimulating root development

Inactive Publication Date: 2017-06-09
CHONGQING SANSHAN HONGCAI AGRI DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Stevia likes to grow in a warm and humid environment, but it can also withstand a low temperature of -5°C. The temperature is 20-30°C, which is most suitable for stem and leaf growth; Stevia is a short-day plant with strong sensitivity to light, and the critical day length is 12 hours, so it is cultivated and flowered earlier in low latitude areas; stevia is not strict on the soil, but it grows well in loos...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The stevia organic fertilizer of the present embodiment is composed of the following raw materials in parts by weight: 30 parts of stevia slag, 8 parts of clay, 15 parts of urea, 10 parts of monoammonium phosphate, 15 parts of potassium sulfate, 3 parts of medium and trace elements, slope 5 parts of gallstone and 5 parts of polymer water-absorbing resin; wherein, the main component content of the clay is, by weight percentage: 43% of silicon dioxide, 1% of ferric oxide, 20% of aluminum oxide, and 0.8% of titanium dioxide ;, The medium and trace elements are mixed with zinc sulfate, manganese sulfate, magnesium sulfate and ferrous sulfate in a ratio of 1:1:1:2 by weight.

[0013] After testing, the quality of the stevia organic fertilizer meets the national standard (GB18877-2009) for organic-inorganic compound fertilizers.

Embodiment 2

[0015] The stevia organic fertilizer of the present embodiment is made up of the following raw materials in parts by weight: 33 parts of stevia slag, 9 parts of clay, 17 parts of ammonium sulfate, 13 parts of diammonium phosphate, 18 parts of potassium dihydrogen phosphate, 5 parts of medium and trace elements 8 parts, 8 parts of palygorskite and 6 parts of polymer water-absorbing resin; wherein, the main component content of the clay is, by weight percentage: silicon dioxide 48%, ferric oxide 2.5%, aluminum oxide 22% , titanium dioxide 1.0%; medium and trace elements are mixed with zinc sulfate, manganese sulfate, magnesium sulfate, and ferrous sulfate in a ratio of 1:1:1:1 by weight.

[0016] After testing, the quality of the stevia organic fertilizer meets the national standard (GB18877-2009) for organic-inorganic compound fertilizers.

Embodiment 3

[0018] The stevia organic fertilizer of the present embodiment consists of the following raw materials in parts by weight: 35 parts of stevia slag, 10 parts of clay, 20 parts of ammonium sulfate, 15 parts of superphosphate, 22 parts of potassium monohydrogen phosphate, 8 parts of medium and trace elements 10 parts, 10 parts of palygorskite and 7 parts of polymer water-absorbing resin; wherein, the main component content of the clay is, by weight percentage: 55% of silicon dioxide, 3.5% of ferric oxide, 25% of aluminum oxide , titanium dioxide 1.2%; middle and trace elements are mixed with zinc sulfate, manganese sulfate, magnesium sulfate, and ferrous sulfate in a ratio of 1:2:3:2 by weight.

[0019] After testing, the quality of the stevia organic fertilizer meets the national standard (GB18877-2009) for organic-inorganic compound fertilizers.

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Abstract

The invention discloses organic fertilizer for stevia rebaudiana. The organic fertilizer is prepared from the following raw materials in parts by weight: 30 to 35 parts of stevia rebaudiana residues, 8 to 10 parts of clay, 15 to 20 parts of nitrogen fertilizer, 10 to 15 parts of phosphorus fertilizer, 15 to 22 parts of potassium fertilizer, 3 to 8 parts of a medium trace element, 5 to 10 parts of palygorskite and 5 to 7 parts of a super absorbent polymer. The organic fertilizer is pollution-free, and contains multiple trace elements, and the growth requirement of the stevia rebaudiana can be met.

Description

technical field [0001] The invention relates to an organic fertilizer, in particular to a stevia organic fertilizer. Background technique [0002] Stevia likes to grow in a warm and humid environment, but it can also withstand a low temperature of -5°C. The temperature is 20-30°C, which is most suitable for stem and leaf growth; Stevia is a short-day plant with strong sensitivity to light, and the critical day length is 12 hours, so it is cultivated and flowered earlier in low latitude areas; stevia is not strict on the soil, but it grows well in loose and fertile land with more humus; the soil with pH neutral is better, and it is not suitable for less than 5.5 or greater than 7.9 ;Long-term maintenance of water and fertilizer nutrients without loss, and the fertilizer is required to be pollution-free and rich in various trace elements, which cannot be achieved by chemical fertilizers. Therefore, special fertilizers must be developed for stevia planting to meet the growth ne...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/02C05G3/60C05G3/80
Inventor 杨洪才
Owner CHONGQING SANSHAN HONGCAI AGRI DEV CO LTD
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