122results about How to "Conducive to cultivation" patented technology

The invention discloses a composite soil passivator for reducing contents of cadmium and lead as well as a preparation method and an application method of the composite soil passivator. The composite soil passivator comprises the following components in percentage by weight: 5-15wt% of composted chicken manure, 5-15wt% of composted mixture of rice chaff and husk, 5-15wt% of turf, 10-20wt% of silicon-calcium-magnesium-potassium fertilizer, 5-15wt% of talcum powder, 25-35wt% of sepiolite, 10-20wt% of stacking fermented sugarcane filter mud and 1.5-2.5wt% of microbial fermentation liquor. The composite soil passivator can be widely applied to the mild and moderate cadmium/lead polluted rice fields to ensure that active cadmium and lead of the soil in the heavy metal polluted rice fields are respectively reduced by 51.5-51.6% and 52.6-58.8%, the cadmium and lead contents of the polished rice are respectively reduced by 48.8-51.6% and 52.7-56.0% and the pH value of the soil is improved by 0.97-1.04; and the composite soil passivator has the functions of restoring the acidized soil, improving the soil fertility and improving the physicochemical property of soil and has huge popularization and application values.

The invention relates to the field of soil remediation, particularly to a composite conditioner for remediation of farmland heavy metal contaminated soil and a preparation method thereof. The composite conditioner comprises the following substances in parts by mass: 40 to 55 parts of modified biological carbon, 15 to 25 parts of poultry manure, 15 to 25 parts of modified clay, 5 to 8 parts of phosphate and 5 to 12 parts of quick lime. Through combined utilization of organic modified substances, inorganic modified substances and other effective components, the composite conditioner achieves the good effect of multi-action synergetic remediation, and has the characteristics that the cost is low, the effect is good, the stability is high, the soil cultivability can be improved, and increase of crop yield and income is facilitated.

The invention relates to a method for improving soil in a saline-alkali land. The method is characterized by comprising the following steps: (1) punching the soil and improving the harden degree of the soil; (2) fertilizing; and (3) watering. A fertilizer applied to the method for improving the soil in the saline-alkali land adopts a formula containing a microorganism organic fertilizer after greening waste treatment, fine sand and a plant growth regulator at a volume ratio of (70-80):(19-29):1. The method has the technical effects and advantages that 1, the punching fertilizing excellently solves the phenomenon that a sloping lawn cannot normally absorb water fertilizer and causes the lawn to vigorously grow; 2, the border trees treated by taking a punching ventilating nutriment-replenishing measure are characterized in that the blade color is deeper, the blade is fat and the leaves are lush; 3, the harden soil is loosened and the water-holding and fertilizer-retaining capabilities of the soil are enhanced; 4, the soil is improved and fertilized; and 5, the environmental protection is benefited.

The invention relates to the technical field of crop food safety control, and concretely relates to a soil conditioner for reducing the activity of heavy metals in soil, a preparation method thereof, and a method for reducing the content of heavy metals in rice. The soil conditioner for reducing the activity of heavy metals in soil comprises, by mass, 1-3 parts of expanded vermiculite powder, 1-3 parts of steel slag powder, 1-3 parts of lime and 3-5 parts of an organic fertilizer. The soil conditioner effectively and stably passivates the heavy metals in polluted farmland soil, improves the fertility of the soil, improves the soil tilth, promotes growth of rice, reduces the use amount of a chemical fertilizer, and facilitates yield and income increase. The method for reducing the content of heavy metals in rice, combining the soil conditioner with water and fertilizer controlled plantation of the rice, has the advantages of low cost, easiness in enforcement, greenness and environmental protection, and effective reduction of the content of the heavy metals in the rice.

The invention provides a watermelon-rice interplanting method. The watermelon and the rice are simultaneously interplanted in the same patch. The watermelon-rice interplanting method is characterized by comprising the following steps of: 1, selecting the patch suitable for paddy-upland planting to deep tillage and freeze furrows before winter, and selecting the proper rice, watermelon and stock varieties; 2, preparing the land and fertilizing in the spring ploughing season, sowing rice and covering a mulching film after moisture in the soil is flat, soil is fine and three grooves are assorted, and ensuring that rice seedlings are completely sprouted after humidity sowing is carried out for 10-15 days; 3, transplanting and planting the watermelon seedling which is well sown, cultured and grafted in advance on the center of the humidity surface of a mulching film, and ensuring that the all-field farming focuses on the routine management of the watermelon; and 4, after the watermelon is harvested, transferring the field management into a mode that the rice management is focused until the rice is harvested. According to the watermelon-rice interplanting technology, the stubble clearout problem due to the fact that two crops are planted in sequence is solved, the input-output ratio of the unit patch is greatly improved, labor, water and fertilizer are saved, the soil is nourished, the watermelon can be protected and reserved by the rice, the rice seedling is strong, and the yield is high.

The invention discloses a club fungus cultivating method and a product thereof. The club fungus cultivating method comprises the steps that basal cell division is promoted while auricularia polytricha sporocarp development is interrupted by adjusting and controlling temperature and light intensity and cooperating with proper high-concentration CO2, top end cells of auricularia polytricha bases are simulated to continue to divide and growth upwards when normal cell division in auricularia polytricha basal bodies is up to a certain degree, so that the auricularia polytricha bases undergo the expanding, growing and proliferating process and bifurcate from the base portions, the middle-upper portions bifurcate for multiple times to form clusters, the top ends form finger-shaped cluster sets, finally coral grape vine shapes are formed, and the appearance, taste and nutritive value of club fungi are superior to those of club fungi of auricularia polytricha.

The invention discloses a disinfection and inoculation method of microphyte seeds and pollen. A special disinfection and inoculation technology for small seeds and plant pollen in a tissue culture process is designed by utilizing seeds and plant pollen of microphytes including orchids as materials in combination of a disinfection method of the tissue culture technology and tools such as an injector and the like; according to the technology, the problems that effective disinfection cannot be realized and a disinfectant cannot be completely removed due to too small orchid seeds and most plant pollen are solved, and the contamination rate in the tissue culture can be effectively reduced to be lower than 5%. Besides, with the adoption of the technology, disinfection and inoculation speeds can be greatly increased, meanwhile, due to the fact that a low-concentration sodium hypochlorite solution can effectively destroy seed coats of the microphyte seeds and cell walls of the pollen and cannot damage seed embryos and pollen cells, accordingly, the microphyte seeds of the plants such as the orchids and the like or the pollen cells of the plants can absorb nutrition of a culture medium more easily, and the seeds germinate 3-5 days in advance.

The invention discloses a cutting and seedling growing method of common fibraurea stem, belonging to the technical field for cutting and seedling growing plants. The method comprises selection of cutting branches, shearing way and cutting way of the cutting branches, wherein the selection of the cutting branches consists of selecting half-lignified branches growing in the current year or last year to be as the seedling growing and cutting branches, wherein the diameter of the branches is 0.3-0.5 cm; the shearing way of the cutting branches comprises the steps of: when a slope cutting mouth is sheared, selecting a stem node with a sprout, shearing the centre of the stem node downwardly to form a bevel section, and maintaining 1-2 eyes at the other end of the bevel section; and the cutting way comprises the steps of: during cuttage, maintaining the penetrating angle of the cutting branches and ground as a 45-degrees inclination angle, cutting 1/3-2/3 of each cutting branch into soil, and keeping an eye at the part above ground. According to the method, the seedling growing cost can be reduced and shoot buds of the sprouts are increased; the seedlings come out evenly; the survival rate of the sprouts is improved profitably; and the rate of emergence reaches 90-95%.

The invention provides a method of planting tricholorna lobayense taking bamboo leaves as a base material. The compost comprises the following raw materials: 50 to 80 parts of bamboo leaves, 30 to 40 parts of dead branches, 10 to 25 parts of peanut shells, 8 to 22 parts of longan shells, 5 to 18 parts of green vines, 4 to 16 parts of cow dung, 3 to 14 parts of soya-bean cakes, 3 to 13 parts of husks, 2 to 8 parts of magnesium sulfate, 2 to 6 parts of urea, 1 to 4 parts of benzoin, 1 to 4 parts of lignum, 2 to 4 parts of lime and 1 to 3 parts of pomelo peels. The method has the beneficial effects that the materials are convenient to obtain, rich in resource quantity, the demand of planting the tricholorna lobayense at multiple places can be met, and a yield period is short, the cost is low, and the operation is simple.

The invention provides a heavy metal contaminated farmland soil remediation agent. The heavy metal contaminated farmland soil remediation agent is prepared from, by weight, 10-25 parts of medical stone powder, 15-27 parts of carbonized rice husks, 10-25 parts of steel slag powder, 10-20 parts of weathered coal, 10-25 parts of lime, 10-25 parts of white carbon black and 12-24 parts of organic fertilizer. The heavy metal contaminated farmland soil remediation agent is applied to a soil surface of a heavy metal contaminated farmland and evenly mixed with soil, the soil moisture is kept to reach the maximum field water-holding capacity, and crops can be planted 5-8 days after balance. Heavy metals in the soil are quickly, efficiently and stably passivated through multiple modes such as combined precipitation, adsorption, complexing and acid-base buffering, the activity of the heavy metals in the soil is reduced, the passivated heavy metals are prevented from being activated again, and theeffect of finally reducing the activity of the heavy metals in the farmland soil is achieved.

Relating to the technical field of edible fungus cultivation, the invention provides a culture method of selenium-rich edible fungus. The method includes the steps of: (1) blending: taking chicken manure, duck manure, pig manure, selenium-rich cob, wheat bran, bean dregs, humic acid, bone meal, volcanic cinder, lotus seed skin, garlic, mangosteen skin, Lycium ruthenicum residue, selenium-rich waste tea, expired milk and purple sweet potato, conducting fermentation to prepare a culture material, adjusting the moisture content of the culture material to 60-70%, and adjusting the pH value of the culture material to 5.3-6.3; (2) bagging; (3) sterilization; (4) inoculation; (5) mycelium culture; (6) fungus yield management; and (7) harvesting. The culture method of selenium-rich edible fungus provided by the invention can produce selenium-rich edible fungus with high yield.

The invention aims to provide insect-proofing charcoal rot slow-release urea. The technical scheme comprises that the slow-release urea is composed of 1 to 5.5 parts by mass of a slow-release film-coating agent and 94.5 to 99 parts by mass of urea. The slow-release film-coating agent comprises the raw materials: activated humic acid, biochar, glucomannan, dextrin, glycerol and water. The insect-proofing charcoal rot slow-release urea has the beneficial effects that the film-coating agent plays a role in slow-releasing urea nutrients, prolongs the urea nutrient release period and reduces the operation process of fertilizer application. Humic acid in the film-coating agent has an effect of inhibiting on the activity of urease on decomposing urea, the ammonia stability performance is kept, and nutrients are released gradually. Biochar can play roles in improving the soil ability and keeping the balance of water and fertilizers, and also has the effect of expelling insects.

The invention discloses water-retention andvigor-sustaining fertilizer for garden trees and flowers and a preparation method of the fertilizer. The water-retention and vigor-sustainingfertilizer is prepared from raw materials in parts by weight as follows: 11-22 parts of dry red soil, 6-11 parts of furfural residue, 8-15 parts of coco coir, 13-20 parts of monazite powder, 4-8 parts of strain powder, 2.5-6 parts of folium mori, 15-21 parts of garden soil, 7-12 parts of bone meal, 1.5-3.2 parts of rape seed cake, 1.2-3.4 parts of Chinese medicine residue and 1.3-2.4 parts of monoammonium phosphate. The green fertilizer adopts a simple formula, the raw materials are natural, rich, environment-friendly and easily available, resource recycling is realized by means of the furfural residue, the production cost is reduced, the green fertilizer with stable performance and higher quality is obtained, the fertilizer efficiency is good, further, soil fertility is enhanced by a nutrient solution for soil, and material guarantee is provided for soil improvement, soil tilth improvement and soil fertilization engineering.

The invention provides a special fertilizer for Lonicera macranthoides, which is characterized by comprising the following components in percentage by weight: 50.0-70.0% of composted chicken manure or any other poultry or livestock manure (by dry matter weight), 25.0-45.0% of inorganic fertilizer (by dry matter weight), and filler. The invention also discloses an application method of the special fertilizer for Lonicera macranthoides. The special fertilizer for Lonicera macranthoides has the advantages of high harmless degree, high organic content and abundant nutrient substances, and is beneficial to growth and ripening of Lonicera macranthoides.

The invention provides a technology for extracting glutathione peroxidase with a biological method, specially comprising the steps of: a. in the environment that the temperature is 8-10DEG C and sun illuminance is 3500-4000 LUX, selecting selenium rich moss with the depth of 8-15cm as culture base material, and guaranteeing the water content of the soil for growing the selenium rich moss to be 50%-65%; b. burying seeds of rubus crataegifolius bge into the selenium rich moss of the step a according to plant distance of 10-15cm and row distance is 10-15cm; c. after three moths to three and a half moths, picking leaves of the rubus crataegifolius bge to be standby; d. preparing solution with water, salt and pure selenium according to the mass ratio of 100:2:1; and e. dipping the leaves in thestep c with the solution in the step d at normal temperature for 0-20 minutes, washing out impurity on the leaves, drying and grinding. The method is a pure biological extraction method; and comparedwith the chemical extraction method, the method is easily operated, saves labor power and physical resources, and has a good effect.

The invention relates to a microalgal bio-based nitrogen-doped carbon material and a preparation method thereof. The method comprises the following steps: carbonizing microalgae for the first time toobtain semicoke, and carbonizing the semicoke for the second time in a nitrogen atmosphere to obtain the nitrogen-doped porous carbon material. The content of elemental nitrogen in the microalgal bio-based nitrogen-doped carbon material is 2.9 wt%, the specific surface area of nitrogen can reach 1893.26 m<2>.g<-1>, and the CO2 adsorption capacity at 0 DEG C can reach 5.72 mmol.g<-1> at most; and in a double-electric-layer supercapacitor system, specific capacitance can reach 335.7 F.g<-1> at most under the high current density of 1A.g<-1>. The microalgal bio-based nitrogen-doped carbon material can be used for adsorbing gas and manufacturing a double-electric-layer supercapacitor.

The invention discloses an insect-prevention nutritional compound fertilizer for cultivating flowers and a preparation method of the insect-prevention nutritional compound fertilizer. The insect-prevention nutritional compound fertilizer is prepared from the following raw materials in parts by weight: 11 to 22 parts of rice straw, 6 to 11 parts of pig, chicken and duck dung, 8 to 15 parts of rice husk powder, 13 to 20 parts of a nitrogen phosphorus potassium fertilizer, 4 to 8 parts of mashed garlic, 2.5 to 6 parts of rotted leaf of plants, 15 to 21 parts of pearlite powder, 7 to 12 parts of humic acid, 1.5 to 3.2 parts of ammonium dihydrogen phosphate, 1.2 to 3.4 parts of soybean meal and 1.3 to 2.4 parts of organic matter. According to the insect-prevention nutritional compound fertilizer, a green fertilizer formula of the rice straw, the pig, chicken and duck dung, the rice husk powder, the nitrogen phosphorus potassium fertilizer, the mashed garlic, the rotted leaf of plants, the pearlite powder, the of humic acid and the ammonium dihydrogen phosphate is simple, and the raw materials are matched with a plurality of types of organic and inorganic nutrient components; the matching is reasonable and the utilization rate of nutrients is high; the effect is lasting and a flowering period can be prolonged; growth characteristics of the flowers and the requirements of the flowering phase can be met; the raw materials are natural, abundant, environmentally friendly and easy to obtain; the cyclic utilization of resources are realized by utilizing wastes so that the production cost is reduced, and the green fertilizer with stable performance and higher quality is obtained; the fertilizer effect is good.