CN105985203A

CN105985203A - Nutritional additive capable of reducing harm of heavy metals and used in nursery stage and preparation method of nutritional additive

Info

Publication number: CN105985203A
Application number: CN201610018191.3A
Authority: CN
Inventors: 张波
Original assignee: FENGYANG JIAHE AGRICULTURE TECHNOLOGY Co Ltd
Current assignee: FENGYANG JIAHE AGRICULTURE TECHNOLOGY Co Ltd
Priority date: 2016-01-08
Filing date: 2016-01-08
Publication date: 2016-10-05

Abstract

The invention discloses a nutritional additive capable of reducing harm of heavy metals and used in a nursery stage. The nutritional additive capable of reducing harm of the heavy metals and used in the nursery stage is prepared from the following raw materials in parts by weight: 23-25 parts of peat soil, 18-22 parts of pollen pini, 3-5 parts of silicate sulfate, 2-3 parts of cysteine, 24-26 parts of cavings, 21-23 parts of fish meal, 7-9 parts of ammonium bicarbonate, 39-41 parts of volcanic, 63-68 parts of waste crop straws, 5-7 parts of composite fungal hyphae, 18-22 parts of threonine mother liquor, 16-18 parts of old tea leaves, and a proper amount of water. High adsorption performance of fermentation products such as the peat soil and the cavings is adopted, by substances such as polyphosphoric acid and organic acid which are secreted by fungi, a large amount of residual heavy metals in soil can be adsorbed in a complexing manner, toxicity of the heavy metals is weakened, the number of heavy metals which are transported to a ground part to a seedling root is reduced, therefore, seedlings of crops are protected against being poisoned by the heavy metals, healthful growth of the crops is guaranteed, and safety of later crop products is improved.

Description

A kind of nursery stage nutrition additive reducing Heavy Metal Pollution and preparation method thereof

Technical field

The present invention relates to a kind of technical field of fertilizers, particularly to a kind of nursery stage battalion reducing Heavy Metal Pollution Support additive and preparation method thereof.

Background technology

The growth promoter of crops can be divided into seedling stage, trophophase and three periods of period of maturation, and its nutritive peculiarity refers to In the different phase demand percentage to nutrient, and it is directly connected to crop yield height.Seedling stage is as the need of crop Fertile sensitive period, the nutriture in this stage particularly Nitrogen supplying grows important in inhibiting to it, not only affects To the trophic level of middle after-stage, and determine the yield level that crop is final.

Macro fungi refers to free-hand adopting, and can produce the fungus of large-scale sporophore, is nature Important Decomposers One of, crop is infected and can improve rhizosphere environment by it, promotes the plant absorption to soil nutrient, the most Between the useful fungus of unitization, there is synergism, plant growing, therefore, the mixing of many funguses can be collectively promoted Collocation uses has good application prospect at aspect of increasing soil fertility.

Owing to nutrient required while that the seedling stage of plant growth being shorter is less, the most on the market for the battalion of crops seedling stage Supporting additive little, and main based on inorganic fertilizer, life-time service not only causes nutrient imbalance, simultaneously by Result in the pollution of soil environment in extremely low utilization rate, compromise plant growth and health.To this end, this Inventor provide the nutrition additive that a kind of crops seedling stage uses, which use a large amount of organic-biological matter, take Join multiple fungus effect, a large amount of agricultural wastes can not only be consumed, improve the utilization ratio of resource, and for making Thing provides organic nutriment of high-efficiency environment friendly seedling stage, and seedling growth and later stage yield to crop have significantly promotion Effect.

Summary of the invention

The present invention compensate for the deficiencies in the prior art, it is provided that a kind of nursery stage nutrition reducing Heavy Metal Pollution adds Charging and preparation method thereof.

Technical scheme is as follows:

Mulch film of the present invention is prepared by the raw materials in: peat soil 23-25, Pollen Pini 18-22, sulphuric acid Silicon 3-5, Cys2-3, bran coat 24-26, fish flour 21-23, ammonium hydrogen carbonate 7-9, volcanic rock 39-41, Discarded crop material 63-68, composite fungi mycelia 5-7, threonine mother solution 18-22, old tea 16-18, water In right amount；

Described composite fungi mycelia is bolete mycelia, VA bush mycorrhiza agent, orange mushroom mycelium, Bai Mikong Bacterium mycelia, proportion is 2:2:1:1.

Specifically comprising the following steps that of the preparation of described nutrition additive

(1) volcanic rock is mixed with threonine mother solution it is placed in calcining furnace, at 450-550 DEG C, calcine 1-2 Hour, pulverize after taking-up and obtain volcanic rock mineral nitrogen powder, then mix with the old tea ground, be placed in disc granulation Machine is made granule, standby；

(2) discarded crop material be placed under sunlight tan by the sun 2-4 days, be cut into after the segment of 3-4cm with peat Soil, Pollen Pini, bran coat, fish flour mix in input fermentation vat jointly, as fermentation vat adds composite fungi mycelia, Being stirring evenly and then adding into suitable quantity of water keeps fermentation heap moisture-holding capacity to be 40%-45%, ferments 20-23 days；

(3) step 2 gained tunning press dewatering is obtained dreg and fermentation liquid, in fermentation liquid, add sulfur Acid silicon and cysteine, and it is the most neutral to regulate PH, chelates 50-60 minute, add after cooling at 60-70 DEG C Enter ammonium hydrogen carbonate, liquid after stirring, must be chelated；

(4) stir after step 1 gained granule being mixed with step 3 gained dreg and chelating liquid, then throw Enter in centrifuge, centrifugal 8-12 minute with 65-75 rev/min, obtain being coated granule；

(5) it is sprayed onto with high-pressure spray gun after other leftover materials and step 4 are centrifuged the mixing of unnecessary material and is coated Particle exterior surface, and air-dry with aerator at 45-55 DEG C, weighing and bagging is placed on to be dried at shady and cool and preserves i.e. Can.

Beneficial effects of the present invention:

In preparation process, volcanic rock can fully remove, with the mixed calcining of threonine, the organic principle wherein contained, anti- Cause secondary pollution after only entering soil, add the specific surface area of mixture so that it is the absorption to dreg simultaneously Power strengthens.

The mixing granulation using old tea and trade waste threonine mother solution is the recycling to resource, simultaneously Acid is produced with the metal ion in volcanic rock as activator its contained low molecular weight organic acid and tea polyphenols etc. Molten effect and complexing and discharge the nutrient that crop easily absorbs, the carbohydrate simultaneously contained can be by soil In clay minerals active adsorption, thus the adsorption potentials such as the phosphorus on clay mineral surface, potassium are lighted masking action, Reduce the fixing of the soil available nutrient to being activated in nutrition additive.

The nutrition additive of the present invention utilizes the high absorption property of the tunning such as peat soil, bran coat, coordinates fungus The materials such as the polyphosphoric acid of secretion, organic acid, it is possible to remain heavy metal in Absorptive complex wave soil in a large number, weaken a huge sum of money The toxicity belonged to, and reduce heavy metal from seedling root to the transport of overground part, thus cover crop seedling is not by weight Metal toxicity, has ensured the healthy growth of crop, improves the safety of later stage crop product.

Specific embodiments

Below in conjunction with detailed description below, the present invention is described in further detail:

The raw material weighing following weight (kg) is made: peat soil 24, Pollen Pini 20, sulphuric acid silicon 4, half Guang Propylhomoserin 2, bran coat 25, fish flour 22, ammonium hydrogen carbonate 8, volcanic rock 40, discarded crop material 65, compound true Bacterium mycelia 6, threonine mother solution 20, old tea 17, water are appropriate；

(1) volcanic rock is mixed with threonine mother solution it is placed in calcining furnace, calcine 2 hours at 500 DEG C, Pulverize after taking-up and obtain volcanic rock mineral nitrogen powder, then mix with the old tea ground, be placed in granulating disc system Become granule, standby；

(2) discarded crop material be placed under sunlight tan by the sun 3 days, be cut into after the segment of 3-4cm with peat soil, Pollen Pini, bran coat, fish flour mix in input fermentation vat jointly, as adding composite fungi mycelia in fermentation vat, stir Adding suitable quantity of water after mixing uniformly keeps fermentation heap moisture-holding capacity to be 40%-45%, ferments 22 days；

(3) step 2 gained tunning press dewatering is obtained dreg and fermentation liquid, in fermentation liquid, add sulfur Acid silicon and cysteine, and it is the most neutral to regulate PH, chelates 55 minutes at 65 DEG C, adds carbonic acid after cooling Hydrogen ammonium, must chelate liquid after stirring；

(4) stir after step 1 gained granule being mixed with step 3 gained dreg and chelating liquid, then throw Enter in centrifuge, be centrifuged 10 minutes with 70 revs/min, obtain being coated granule；

In order to further illustrate the using value of the present invention, inventor selects to use disposal plastic cup little to cultivate Chinese cabbage seedling, to test the using effect of nutrition additive of the present invention.Plastic cup height 10cm, bore 8.6cm, Volume is 230ml, go to the bottom bundle 3 holes, totally 100 plastic cups, every cup heavy metal slight pollution soil 200g, Wherein use 20g nutrition of the present invention additive and mix as experimental group for 50 glasss, using common fertilizer for another 50 glasss 20g also mixes as a control group, every glass of plantation one strain Plantula Brassicae chinensis seedling, management to all shoots during growth Mode is identical, and transplanting time and ultimate output are carried out data determination, and result is as follows:

Be can be seen that contrast common fertilizer by data above, employ the effective of compost after the nutrition additive of the present invention Nutrient content is greatly increased, and the growth to seedling simultaneously has significant facilitation, contaminated by heavy metals In soil, its growth is unaffected, and the resistivity that matched group is poisoned owing to not having heavy metal, its yield drops Low amplitude is relatively big, and insect pest incidence rate simultaneously improves.

Claims

1. the nursery stage nutrition additive reducing Heavy Metal Pollution, it is characterized in that, be prepared by the raw materials in: peat soil 23-25, Pollen Pini 18-22, sulphuric acid silicon 3-5, Cys2-3, bran coat 24-26, fish flour 21-23, ammonium hydrogen carbonate 7-9, volcanic rock 39-41, discarded crop material 63-68, composite fungi mycelia 5-7, threonine mother solution 18-22, old tea 16-18, water are appropriate；

Described composite fungi mycelia is bolete mycelia, VA bush mycorrhiza agent, orange mushroom mycelium, white Daedalea mycelia, and proportion is 2:2:1:1.

2. according to the nursery stage nutrition additive reducing Heavy Metal Pollution described in claims 1, it is characterised in that specifically comprising the following steps that of preparation method

(1) volcanic rock is mixed with threonine mother solution it is placed in calcining furnace, calcine 1-2 hour at 450-550 DEG C, pulverize after taking-up and obtain volcanic rock mineral nitrogen powder, then mix with the old tea ground, be placed in granulating disc and make granule, standby；

(2) discarded crop material is placed under sunlight tans by the sun 2-4 days, jointly mix with peat soil, Pollen Pini, bran coat, fish flour in input fermentation vat after being cut into the segment of 3-4cm, as fermentation vat adds composite fungi mycelia, being stirring evenly and then adding into suitable quantity of water keeps fermentation heap moisture-holding capacity to be 40%-45%, ferments 20-23 days；

(3) step 2 gained tunning press dewatering is obtained dreg and fermentation liquid, in fermentation liquid, add sulphuric acid silicon and cysteine, and it is the most neutral to regulate PH, chelate 50-60 minute at 60-70 DEG C, add ammonium hydrogen carbonate after cooling, liquid after stirring, must be chelated；

(4) stir after step 1 gained granule being mixed with step 3 gained dreg and chelating liquid, then put in centrifuge, centrifugal 8-12 minute with 65-75 rev/min, obtain being coated granule；

(5) being sprayed onto with high-pressure spray gun after other leftover materials and step 4 are centrifuged the mixing of unnecessary material and be coated particle exterior surface, and air-dry with aerator at 45-55 DEG C, weighing and bagging is placed on to be dried at shady and cool and preserves.