CN105967841A - Chinese herbal formula fertilizer for promoting seedling growth and preparation method thereof - Google Patents

Abstract

The invention discloses a Chinese herbal formula fertilizer for promoting seedling growth and a preparation method thereof. The fertilizer is prepared from the following raw materials (by weight): rice hull, 20wt% NaOH solution, diatomite, peat, sophora flavescens, pyrethrum flowers, Chinese honeylocust fruit, fruit of melia azedarach, astragalus sinicus vine, agrimonia pilosa ledeb, urea, potassium dihydrogen phosphate, ammonium humate and a proper amount of water. Natural Chinese herbal components are used as raw materials. The raw materials are firstly crushed to prepare important micropowder; and then, the micropowder is added into a solution containing a carbonized product. During stirring, fine powder particles are easier to release active components which have immune effect on pest and disease damage. Meanwhile, the carbonized product has a certain adsorption protective effect and can store the active components therein for a longer period of time. The active components can raise disease resistance of plants in seedling stage and increase survival rate. Good seedling growth is likely to bring high yield.

Description

A kind of Chinese medicine formula promotes growth of seedling fertilizer and preparation method thereof

Technical field

The invention belongs to the Technology field of fertilizer, be specifically related to a kind of Chinese medicine formula and promote growth of seedling fertilizer and preparation method thereof.

Background technology

Along with expanding economy, chemical fertilizer is increasing in usage amount agriculturally.And crops are low to the utilization rate of chemical fertilizer, utilization rate fertile for N is 30 ~ 35%, utilization rate fertile for P is 10 ~ 20%, the most inevitably cause the environmental pollution of chemical fertilizer, additionally, the Soil structure destruction and the soil fertility that use chemical fertilizer institute band class decline, and the problem of body eutrophication is irreversible.

Element silicon is one of important element necessary to crop growth, the research of element silicon is the most increasingly paid attention to by people, and research is introduced and confirmed: element silicon has that enhancing crop plant stem stalk is sturdy, resistant to lodging, improves disease resistance, anti-soil soil nutrient physiological stress, increase the characteristic such as yield.And rice husk absorbs a large amount of silicon in the growth and development process of Oryza sativa L. from soil, its dioxide-containing silica is up to more than 20% more than, in China, rice husk is a kind of very abundant plant material, and industry uses phosphoric acid method, alkali method to prepare activated carbon, sodium silicate and all achieve certain success.

The most existing a lot of scholars made in-depth study with regard to the problem of rice hull ash, burned the difference of degree according to rice husk, and rice husk ash composition is also not quite similar.Rice husk is after burning completely, carbon therein discharges with the form of carbon dioxide, silicon therein is changed into silicon dioxide, so the carbon produced is not completely transformed into carbon dioxide, therefore in black particle shape, from the point of view of the present Research of comprehensive rice hull ash, the high silicon content that point of penetration is rice hull ash of these researchs and bigger serface.Utilize rice hull ash to react with Caustic soda and produce sodium silicate, production of silica white is reacted with ammonium sulfate, boil rear synthesizing silicon carbide with acid, extract silicon dioxide therein and to utilize rice hull ash to produce the research such as concrete high activity admixture be this characteristic of high silicon content based on rice hull ash.

Summary of the invention

In order to improve the germination percentage of crop seed, promoting growth and the growth of root system of crop seedling, fertilizer of the present invention contains silicates fertilizer as the one used before crop-planting and possesses all above feature, realizes particular by following methods:

A kind of Chinese medicine formula promotes growth of seedling fertilizer, it is characterized in that, be made up of the raw material of following weight portion: rice husk 40 ~ 45,20wt%NaOH solution 120 ~ 150, kieselguhr 30 ~ 45, mud coal 15 ~ 22, Radix Sophorae Flavescentis 10 ~ 14, pyrethrum flowers 8 ~ 14, Fructus Gleditsia 15 ~ 20, chinaberry fruit 10 ~ 15, Herba Astragali Melilotoidis (Herba Astragali Sinici) rattan 20 ~ 30, Herba Agrimoniae 10 ~ 16, carbamide 15 ~ 20, potassium dihydrogen phosphate 5 ~ 10, ammonium humate 6 ~ 12 and appropriate water.

A kind of Chinese medicine formula promotes the preparation method of growth of seedling fertilizer, it is characterised in that include following step:

(1) rice husk is first pulverized, be ground into the granule of 10 ~ 20 mesh sieves, put in Muffle furnace, under airtight condition, be heated to temperature 600 ~ 800 DEG C, continue carbonization 6 ~ 8h and obtain carbonizing production；

(2) by the carbonizing production mixing 20wt%NaOH solution described in (1), put in reactor, be heated to 100 ~ 120 DEG C, insulation reaction 4 ~ 5h, must be rich in the carbonizing production solution of silicate；

(3) mixing Radix Sophorae Flavescentis, pyrethrum flowers, chinaberry fruit and other following residual components being not directed to, be ground into the powder of 100 ~ 120 mesh sieves, join in the carbonizing production solution described in (2), and the adjustment material-water ratio that adds water in right amount is 1:3, and stirring 35 ~ 45min adsorbs；

(4) mixing urea, potassium dihydrogen phosphate, ammonium humate, kieselguhr and mud coal, joins during the mixing described in (3) always expects, adjusts water content 40 ~ 50%, made the granule of particle diameter 4 ~ 6mm by slurry-spraying pelletizing after stirring and evenly mixing.

Rice hull ash is utilized by the present invention by emphasis, it is critical only that the silicate using alkali-soluble acid analysis technology that the amorphous silicon in rice hull ash is converted into easy solvent, then test variable concentrations silicon pretreatment is to seed vitality, Root Absorption ability and the impact of young leaflet tablet chlorophyll content, the silicate solubility that test is optimum.

Rice husk is after pyrolysis or burning, and contained silicon is with SiO₂Presented in rice hull ash, through spectrum analysis, siliceous 28%, be converted into SiO₂Content is 60%, and phosphorus content is 39%, the SiO in rice husk₂Can react with soda bath under the conditions of temperature-pressure and generate silicate product:

SiO₂+2NaOH→Na₃SiO ₂+H₂O

Activated carbon is the pore structure with prosperity, has the charcoal of the biggest specific surface area and absorbability, rice hull ash i.e. the rice husk product after carbonization, and phosphorus content improves to more than 90%, and carbonaceous is loose porous, is the excellent material manufacturing activated carbon.The present invention is before this by rice husk drying and crushing, obtain the rice husk granule of certain particle diameter, then the overall Muffle furnace putting into high temperature, adjust temperature and carry out carbonization, must have the activated carbon structure material of certain absorbability, then the NaOH solution that mass fraction is 20% is added, under certain temperature conditions, the reaction regular hour obtains the rice hull ash product containing certain silicate content, simultaneously, rice hull ash also has a lot of granular active carbon granules, there is certain adsorption of modification effect, as the additive of fertilizer, give the probability that fertilizer variation is wireless.

Owing to the high temperature carbonization of Muffle furnace prepares the process of activated carbon granule, carry out under conditions of airtight starvation, consume again certain SiO subsequently with the course of reaction of soda bath₂, consuming SiO₂During on granule, leave again hole, add specific surface area and the space structure of granule, advantageously in adsorption process, proved by test repeatedly: NaOH solution and rice hull ash material ratio are 3:1, response time about 4h, when reaction temperature is 100 DEG C, the optimum dissolution rate obtaining silicate reaches 90.47%.

Beneficial effects of the present invention: select natural Chinese medicine ingredients as raw material; pulverization process made important micropowder before this; add to the solution containing carbonizing production; during stirring; trickle powder particle is more easy to release and has the effective ingredient of immune effect to pest and disease damage; carbonizing production has certain absorption protected effect simultaneously; effective ingredient in can making preserves the longer time; the effective ingredient wherein contained can improve the disease resistance in plant seedling stage; improve survival rate, grow good childhood and probably bring high yield.

Detailed description of the invention

Embodiment 1:

A kind of Chinese medicine formula promotes growth of seedling fertilizer, it is characterized in that, be made up of the raw material of following weight portion (Kg): rice husk 45,20wt%NaOH solution 140, kieselguhr 40, mud coal 15, Radix Sophorae Flavescentis 14, pyrethrum flowers 14, Fructus Gleditsia 20, chinaberry fruit 10, Herba Astragali Melilotoidis (Herba Astragali Sinici) rattan 25, Herba Agrimoniae 14, carbamide 15, potassium dihydrogen phosphate 10, ammonium humate 10 and appropriate water.

A kind of Chinese medicine formula promotes the preparation method of growth of seedling fertilizer, it is characterised in that include following step:

(1) rice husk is first pulverized, be ground into the granule of 10 ~ 20 mesh sieves, put in Muffle furnace, under airtight condition, be heated to temperature 600 ~ 800 DEG C, continue carbonization 6 ~ 8h and obtain carbonizing production；

(2) by the carbonizing production mixing 20wt%NaOH solution described in (1), put in reactor, be heated to 100 ~ 120 DEG C, insulation reaction 4 ~ 5h, must be rich in the carbonizing production solution of silicate；

(3) mixing Radix Sophorae Flavescentis, pyrethrum flowers, chinaberry fruit and other following residual components being not directed to, be ground into the powder of 100 ~ 120 mesh sieves, join in the carbonizing production solution described in (2), and the adjustment material-water ratio that adds water in right amount is 1:3, and stirring 35 ~ 45min adsorbs；

(4) mixing urea, potassium dihydrogen phosphate, ammonium humate, kieselguhr and mud coal, joins during the mixing described in (3) always expects, adjusts water content 40 ~ 50%, made the granule of particle diameter 4 ~ 6mm by slurry-spraying pelletizing after stirring and evenly mixing.

A kind of Chinese medicine formula using the present invention promotes that growth of seedling fertilizer is for planting the test of Semen sojae atricolor, select 5 mu of Soybean Fields as experimental group, it is mixed for doing furrow by fertilizer of the present invention and land for growing field crops subsoil 1:3 ratio, 5 mu of lands for growing field crops of matched group are left intact, result proves: the growth of soybean germination rate, speed of germination and the seedling of experimental group will be better than matched group, the labor management in later stage and each side are paid wages also relative reduction, are greatly saved cost.

Claims (2)

1. a Chinese medicine formula promotes growth of seedling fertilizer, it is characterized in that, be made up of the raw material of following weight portion: rice husk 40 ~ 45,20wt%NaOH solution 120 ~ 150, kieselguhr 30 ~ 45, mud coal 15 ~ 22, Radix Sophorae Flavescentis 10 ~ 14, pyrethrum flowers 8 ~ 14, Fructus Gleditsia 15 ~ 20, chinaberry fruit 10 ~ 15, Herba Astragali Melilotoidis (Herba Astragali Sinici) rattan 20 ~ 30, Herba Agrimoniae 10 ~ 16, carbamide 15 ~ 20, potassium dihydrogen phosphate 5 ~ 10, ammonium humate 6 ~ 12 and appropriate water.

A kind of Chinese medicine formula promotes the preparation method of growth of seedling fertilizer, it is characterised in that include following step:

(1) rice husk is first pulverized, be ground into the granule of 10 ~ 20 mesh sieves, put in Muffle furnace, under airtight condition, be heated to temperature 600 ~ 800 DEG C, continue carbonization 6 ~ 8h and obtain carbonizing production；

(2) by the carbonizing production mixing 20wt%NaOH solution described in (1), put in reactor, be heated to 100 ~ 120 DEG C, insulation reaction 4 ~ 5h, must be rich in the carbonizing production solution of silicate；

(3) mixing Radix Sophorae Flavescentis, pyrethrum flowers, chinaberry fruit and other following residual components being not directed to, be ground into the powder of 100 ~ 120 mesh sieves, join in the carbonizing production solution described in (2), and the adjustment material-water ratio that adds water in right amount is 1:3, and stirring 35 ~ 45min adsorbs；

(4) mixing urea, potassium dihydrogen phosphate, ammonium humate, kieselguhr and mud coal, joins during the mixing described in (3) always expects, adjusts water content 40 ~ 50%, made the granule of particle diameter 4 ~ 6mm by slurry-spraying pelletizing after stirring and evenly mixing.