CN105330474A - Soil restoration fertilizer capable of eliminating watermelon successive cropping obstacles - Google Patents

Abstract

The invention discloses soil restoration fertilizer capable of eliminating watermelon successive cropping obstacles. The soil restoration fertilizer is prepared from, by weight, 24-26 parts of grass ash, 13-14 parts of lentinus edodes fungus chaff, 28-30 parts of diatomaceous earth, 8-9 parts of ammonium phosphate, 3-4 parts of sodium alginate, 5-6 parts of montmorillonite, 4-6 parts of calcium sulfite, 30-35 parts of hazelnut shells, 12-15 parts of siderite slag, 12-15 parts of limonite slag, 68-72 parts of orange peel, 2-4 parts of EM composite microbial agents and a defined amount of water. According to the soil restoration fertilizer, aiming at the situation that after watermelon plantation is conducted, plenty of pathogenic microorganisms and self secreta are contained in soil, through adding of mixed cultures and replenishment of comprehensive nutrition, growth of spoilage organisms in the successive cropping soil is inhibited, harmful allelochemical substances in the successive cropping soil are decomposed, the micro-ecological environment of watermelon root system soil is improved, thereby disease resistance of watermelon plants is improved, growth of the watermelon plants is promoted, and the watermelon successive cropping obstacles are eliminated.

Description

The soil remediation fertilizer that a kind of continuous cropping obstacle of watermelon is eliminated

Technical field

The present invention relates to technical field of fertilizers, particularly relate to the soil remediation fertilizer that a kind of continuous cropping obstacle of watermelon is eliminated.

Background technology

Along with the fast development of economy and the progress of industrial technology, work, the detrimentally affect of agriculture production to environment are constantly aggravated, constantly stack to soil surface due to solid waste and topple over, harmful waste water constantly permeates in soil, obnoxious flavour in air and floating dust are also continuous to be dropped in soil with rainwater, result in soil pollution.Not only reduce the seed output and quality of farm crop, also the HUMAN HEALTH of indirect hazard.

And to the improvement of soil pollution mainly through engineering repairing method and phytoremediation, wherein engineering repairing method mainly comprises the method for improving the soil, electro reclamation, Soil leaching and heat treating process etc., engineering control measure is applicable to that contaminated area is little usually, severe pollutant and easily the soil effect of diffusion is comparatively obvious, fundamentally can improve soil at all, but treatment cost is high, and easily form secondary pollution, also possibility spoiled soil structure, easily causes soil fertility to decline.The usual cost of phytoremediation technology is low, soil organic matter content and soil fertility can be improved, but the patience of plant heavy metal pollutent is limited, be only applicable to the soil remediation of medium pollution degree, a kind of plant can only repair the soil of a certain heavy metal contamination usually simultaneously, and other heavy metals likely in activating soil, for various metals and organic combined pollution poor effect, super enriching plant poor growth, usual repairing efficiency is longer, is difficult to the requirement that satisfied quick rehabilitating soil pollutes.

Charcoal has good absorption property, stable chemical nature, can reduce the biological effectiveness of heavy metal in soil, can improve crop yield, and raw material is extensive, cost is low, makes it in pollution administration soil, have clear superiority and using value simultaneously.For this reason, it take charcoal as the soil remediation fertilizer of immobilized matrix that the present inventor provides a kind of for watermelon continuous cropping soil, and the reparation for soil pollution provides a kind of effective way.

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, provides the soil remediation fertilizer that a kind of continuous cropping obstacle of watermelon is eliminated.

The present invention is achieved by the following technical solutions:

The soil remediation fertilizer that continuous cropping obstacle of watermelon is eliminated, is made up of the raw material of following weight part: plant ash 24-26, Lentinus Edodes fungus chaff 13-14, diatomite 28-30, ammonium phosphate 8-9, sodium alginate 3-4, montmorillonite 5-6, calcium sulfite 4-6, hazelnut shell 30-35, sparring slag 12-15, limonite slag 12-15, tangerine peel 68-72, EM complex micro organism fungicide 2-4, water are appropriate.

The concrete steps of the preparation of described soil remediation fertilizer are as follows:

(1) mix after tangerine peel, hazelnut shell dryness in the sun with sparring slag, be placed in airtight calcining furnace, 380-400 DEG C is warming up under nitrogen atmosphere with the speed of 15 DEG C/min, be incubated and add limonite slag after 20-30 minute, keep thermotonus 30-40 minute, then cool the temperature to 250-280 DEG C, constantly oxygen is passed in airtight calcining furnace, take out calcinate after 30 minutes, concussion is rocked after 10-15 minute and is crossed 20 mesh sieves, obtains magnetic bio carbon powder for subsequent use;

(2) plant ash, Lentinus Edodes fungus chaff, diatomite mixing are dropped in fermentation vat, add water and keep fermentation heap water content at 50-60%, ferment and take out fermentation materials after 24-26 days, and squeeze and filter, obtain fermentation solid residue and fermented liquid for subsequent use;

(3) by step 2 gained fermented liquid with ammonium phosphate, sodium alginate mixing post-heating to 60-70 DEG C, stir after 15-20 minute and add step 1 gained charcoal powder again, dipping 40-60 minute, during dipping, ultrasound wave irradiation is adopted to fermented liquid, ultrasonic frequency is 20-30kHz, and power is 70-80W, and the time is 90-120 minute, flood rear filtered through gauze, obtain dipping charcoal for subsequent use;

(4) step 3 gained dipping charcoal is mixed with step 2 gained fermentation solid residue, EM complex micro organism fungicide, montmorillonite, calcium sulfite and other leftover materials be placed on granulation in tablets press, for subsequent use;

(5) frequency of utilization is 30-40kHz, power be the ultrasonic wave of 10W to step 4 gained particle irradiation 40-60 minute, weigh after packaging, obtain soil remediation fertilizer of the present invention.

The using method of repairing fertiliser of the present invention is be manured into soil after mixing according to the part by weight of 20%-25% and common fertilizer.

Advantage of the present invention is:

The sparring slag of same part by weight and limonite slag and biomass mixed calcining is used in preparation process, can by the recycling between product, the charcoal of the high magnetic of more efficient acquisition, and significantly increase charcoal surfactivity whereby, improve adsorptivity, add the accumulation ability to soil objectionable constituent, coordinate organic and effect that is mineral filler to play the dual-use function of nutrient supply and soil remediation.

Air in charcoal inner pore can be discharged by the ultrasound wave irradiation in preparation process during dipping, improves the degree of uniformity that in fermented liquid, solute disperses in charcoal, shortens dipping time.

In preparation process, second time ultrasound wave irradiation can to increase after granulation microbic activity in fertiliser granulates, improves the removal effect of dehydrogenase activity and organic pollutant.

Soil remediation fertilizer of the present invention contains a large amount of pathogenic micro-organism and self secretory product in soil after growth of watermelon, by interpolation and the comprehensive nutritional supplementation of mixed strains, suppress harmful microbe growth in continuous cropping soil, decompose the harmful allelochemical in watermelon continuous cropping soil, improve the micro-ecological environment of watermelon root soil, thus improve watermelon plant resistance against diseases, promote that it grows, eliminate the continuous cropping obstacle of watermelon.

Embodiment

The soil remediation fertilizer that continuous cropping obstacle of watermelon is eliminated, is made up of the raw material of following weight part (kg): plant ash 24, Lentinus Edodes fungus chaff 13, diatomite 28, ammonium phosphate 8, sodium alginate 3, montmorillonite 5, calcium sulfite 4, hazelnut shell 30, sparring slag 12, limonite slag 12, tangerine peel 68, EM complex micro organism fungicide 2, water are appropriate.

The concrete steps of the preparation of described soil remediation fertilizer are as follows:

(1) mix after tangerine peel, hazelnut shell dryness in the sun with sparring slag, be placed in airtight calcining furnace, 380 DEG C are warming up under nitrogen atmosphere with the speed of 15 DEG C/min, be incubated and add limonite slag after 20 minutes, keep thermotonus 30 minutes, then cool the temperature to 250 DEG C, constantly oxygen is passed in airtight calcining furnace, take out calcinate after 30 minutes, concussion is rocked after 10 minutes and is crossed 20 mesh sieves, obtains magnetic bio carbon powder for subsequent use;

(2) plant ash, Lentinus Edodes fungus chaff, diatomite mixing are dropped in fermentation vat, add water and keep fermentation heap water content 50%, ferment and take out fermentation materials after 24 days, and squeeze and filter, obtain fermentation solid residue and fermented liquid for subsequent use;

(3) by step 2 gained fermented liquid and ammonium phosphate, sodium alginate mixing post-heating to 60 DEG C, stir after 15 minutes and add step 1 gained charcoal powder again, flood 40 minutes, during dipping, ultrasound wave irradiation is adopted to fermented liquid, ultrasonic frequency is 20kHz, and power is 70W, and the time is 90 minutes, flood rear filtered through gauze, obtain dipping charcoal for subsequent use;

(4) step 3 gained dipping charcoal is mixed with step 2 gained fermentation solid residue, EM complex micro organism fungicide, montmorillonite, calcium sulfite and other leftover materials be placed on granulation in tablets press, for subsequent use;

(5) frequency of utilization is 30kHz, power be the ultrasonic wave of 10W to step 4 gained particle irradiation 40 minutes, after weighing, packaging, obtains soil remediation fertilizer of the present invention.

In order to further illustrate using value of the present invention, contriver have chosen one piece of continuous cropping watermelon experimental plot, wherein half only uses common fertilizer as a control group during plantation watermelon, second half uses repairing fertiliser of the present invention and common fertilizer mixed planting as experimental group, to soil sampling analysis between planting season, as follows in conjunction with the yield of watermelon:

	Control group	Experimental group
			Soil available nitrogen content (mg/kg)	48.60	62.22
Soil available phosphorus content (mg/kg)	86.08	100.26
			Available potassium in soils content (mg/kg)	138.42	174.03
Soil CEC (cmol/kg)	10.52	11.85
			Disease and pest incidence (%)	28.6	3.7
The yield of watermelon (kg/ mu)	1784	3146

After can being found out employed soil remediation fertilizer of the present invention by above data, in soil, available nutrient content obviously increases, soil fertility gets a promotion, the level of soil pollution simultaneously reduces, ion exchange capacity increases, and compared to control group, finally significantly improves the output of watermelon, overcome the underproduction and disease that continuous cropping obstacle causes, to continuous cropping soil, there is significant improved effect.

Claims (2)

1. the soil remediation fertilizer of a continuous cropping obstacle of watermelon elimination, it is characterized in that, be made up of the raw material of following weight part: plant ash 24-26, Lentinus Edodes fungus chaff 13-14, diatomite 28-30, ammonium phosphate 8-9, sodium alginate 3-4, montmorillonite 5-6, calcium sulfite 4-6, hazelnut shell 30-35, sparring slag 12-15, limonite slag 12-15, tangerine peel 68-72, EM complex micro organism fungicide 2-4, water are appropriate.

2. the soil remediation fertilizer of continuous cropping obstacle of watermelon elimination according to claim 1, it is characterized in that, the concrete steps of preparation method are as follows:

(1) mix after tangerine peel, hazelnut shell dryness in the sun with sparring slag, be placed in airtight calcining furnace, 380-400 DEG C is warming up under nitrogen atmosphere with the speed of 15 DEG C/min, be incubated and add limonite slag after 20-30 minute, keep thermotonus 30-40 minute, then cool the temperature to 250-280 DEG C, constantly oxygen is passed in airtight calcining furnace, take out calcinate after 30 minutes, concussion is rocked after 10-15 minute and is crossed 20 mesh sieves, obtains magnetic bio carbon powder for subsequent use;

(2) plant ash, Lentinus Edodes fungus chaff, diatomite mixing are dropped in fermentation vat, add water and keep fermentation heap water content at 50-60%, ferment and take out fermentation materials after 24-26 days, and squeeze and filter, obtain fermentation solid residue and fermented liquid for subsequent use;

(3) by step 2 gained fermented liquid with ammonium phosphate, sodium alginate mixing post-heating to 60-70 DEG C, stir after 15-20 minute and add step 1 gained charcoal powder again, dipping 40-60 minute, during dipping, ultrasound wave irradiation is adopted to fermented liquid, ultrasonic frequency is 20-30kHz, and power is 70-80W, and the time is 90-120 minute, flood rear filtered through gauze, obtain dipping charcoal for subsequent use;

(4) step 3 gained dipping charcoal is mixed with step 2 gained fermentation solid residue, EM complex micro organism fungicide, montmorillonite, calcium sulfite and other leftover materials be placed on granulation in tablets press, for subsequent use;

(5) frequency of utilization is 30-40kHz, power be the ultrasonic wave of 10W to step 4 gained particle irradiation 40-60 minute, weigh after packaging, obtain soil remediation fertilizer of the present invention.