51results about How to "Improve soil properties" patented technology

The invention relates to a restoration method for a damaged ecosystem in a steep-slope area in a water-level-fluctuating zone of a reservoir. The method comprises the following steps:when the impounded water level is at the lowest point, cleaning the upstream slope in the water-level-fluctuating zone, and manually tamping; digging planting holes at the top of the slope, and planting Chinese red pines and the like to form a multifunctional protective forest belt; digging planting grooves and planting holes within the range of the water-level-fluctuating zone, laying jute geotextile, planting vetiver within the range with the water-level-fluctuating depth of 2m to form a hedgerow; and mixedly planting vetiver and wire grass within the range with the water-level-fluctuating depth of 2-10m to form a combined vegetation slope restoration belt. The protective forest belt, the hedgerow and the combined vegetation slope restoration belt form a three-dimensional restoration space together, thereby ensuring that plants can take roots and restore in the steep-slope area in the water-level-fluctuating zone. By restoring the vegetation in large area, the invention effectively reduces the overland flow and the soil erosion, and improves the fertility and the properties of the soil, thereby restoring the damaged ecosystem. The invention has the advantages of convenient construction and less investment, can not be easily damaged by water, and is applicable to the water-level-fluctuating zone of a reservoir with large water-level-fluctuating range and precipitous topography.

The invention relates to a process for producing an organo-mineral fertilizer from vinasse, filter cake and generally boiler ashes, as byproducts of the sugar and / or alcohol manufacture and, optionally, complemented with fertilizer sources composed of macronutrients (primary and secondary) and micronutrients. The process comprises, in a preferred form of the invention, the steps of: concentrating the vinasse until about 65% of solids (p / p); mixing and dissolving the fertilizer elements in the concentrated vinasse; mixing and drying the filter cake and ashes in a hot gas stream obtained by burning bagasse or fine straw; impregnating this dry mixture with the concentrated vinasse mixture and the added fertilizer agents; and, finally, drying and granulating the final formulated mixture. The end product is a granular solid containing N, P, K, Ca, S, Mg and micronutrients, according to the previously programmed formulation. In the other form of the invention, the same process is effected, but without adding the fertilizer elements.

The invention discloses a bioorganic fertilizer used for improving soil. The bioorganic fertilizer comprises 100-1000 parts by weight of straws, 1-10 parts by weight of straw decomposition agent, 10-100 parts by weight of animal dung and 1-10 parts by weight of inorganic fertilizer, wherein the straw decomposition agent is prepared by fermenting bacillus subtilis, aspergillus oryzae, trichoderma reesei, phanerochaete chrysosporium and geobacillus stearothermophilus. The bioorganic fertilizer has the beneficial effects that the prepared organic straw fertilizer is used as a base fertilizer, so that the contents of available nitrogen, rapidly available phosphorus, potassium and organic matters in soil are higher than those of available nitrogen, rapidly available phosphorus, potassium and organic matters in the soil in which straws are directly used and fertilizers are not applied; the urease activity and cellulase activity of the soil are obviously improved compared with those of the soil in which straws are directly used and fertilizers are not applied.

The invention discloses a method for restoring crude oil-polluted soil by using sludge generated in yeast production, comprising the following steps of: detecting the crude oil-polluted soil, detecting the sludge generated in yeast production, and storing the crude oil-polluted soil by using the sludge generated in yeast production, wherein the sludge which is generated in yeast production and contains 40-48% of organic material, 3.12-3.6% of nitrogen, 0.28-0.56% of phosphorus and 5.38-6.1% of potassium by mass and has the water removal rate of 95-100% is directly used for the restoration of the crude oil-polluted soil, and the ratio of the crude oil-polluted soil to the sludge generated in yeast production and blended in the crude oil-polluted soil is 100:(10-15) so that oil in the blended soil has the weight of 30mg / Kg and the pH value of 6.8-8.0; and maintaining and growing acid-resisting plants or alkali-resisting plants in the soil to form farming lands.

The invention discloses a treatment method of the settlement of high-speed railway roadbeds in soft-soil areas. The treatment method comprises the following steps: firstly, reinforcing and strengthening the foundation of a high-speed railway roadbed; and then, reinforcing and strengthening the side slopes or the ground of the high-speed railway roadbed. In the step of reinforcing and strengthening the foundation of the high-speed railway roadbed, a plurality of rows of rotary jet grouting piles are constructed among original pile foundations at slope toes of a conventional high-speed railway roadbed for performing reinforcement and strengthening. In the step of reinforcing and strengthening the side slopes or the ground of the high-speed railway roadbed, grouting holes are formed in the side slopes or the ground of the conventional high-speed railway roadbed; perforated grouting pipe are inserted in the grouting holes; the seriflux is injected in the perforated grouting pipe, so that the reinforcement and the strengthening are completed. The treatment method of the settlement of high-speed railway roadbeds in soft-soil areas, provided by the invention is safe, reliable, scientific and reasonable, and low in cost. Through the adoption of the treatment method, the settlement of roadbeds is effectively controlled, and influence caused by the settlement of roadbeds on conventional roadbed structures and the surrounding environment is reduced.

The invention discloses an organic modifier capable of passivating copper, zinc, arsenic and chromium in vegetable field soil. The organic modifier is mainly composed of red mud and wormcast, wherein the mass content of the red mud is 1-15%. According to the organic modifier, the red mud and the wormcast are mixed and combined in use; due to mutual synergistic effects of the red mud and the wormcast, and the mixture of the red mud and the wormcast and the soil, the passivation effect on copper, zinc, arsenic and chromium in vegetable field soil can be greatly improved and the application cost can be effectively reduced, and furthermore, nutrients needed by the growth of plants also can be provided, the properties of soil can be improved, the activity of heavy metals in soil can be passivated and the yield and quality of agricultural products can be improved; as a result, the organic modifier has a great application prospect. The organic modifier capable of passivating copper, zinc, arsenic and chromium in vegetable field soil has extremely high economic benefit as well as ecologic and social benefits, and is wide in application prospect.

The invention discloses an open-pit mine mining and discharging method contributing to reclaiming of an inner dumping site. The open-pit mine mining and discharging method mainly aims to overcome thedefects that unreasonable treatment of surface layer soil is conducted, and to-be-reclaimed soil is compacted due to repeated rolling compaction of the dumping site existing in the mining and discharging technology at the present stage. The open-pit mine mining and discharging method mainly comprises the steps that advance stripping of the one-year advancing distance is conducted on the uppermostlayer of humus of an upper rock covering layer of a coal bed in advance in fall of the first year, and overburden materials are discharged and abandoned to the uppermost layer of the inner dumping site; flood irrigation is adopted when frozen earth occurs in winter, and an originally compacted land is loosened by utilizing a frost melting phenomenon; rock below the surface layer humus soil is onlystripped from the beginning of spring of the second year, and steps are stripped according to a synchronous or approximately synchronous mode; and stripping work of the lower layer of overburden materials is continued to the end of summer, then the processes in the fall of the first year are conducted again, and primary circulation is from the fall of the first year to the fall of the second year. According to the open-pit mine mining and discharging method, the problems of upper covered rock and soil mixing, secondary mining and discharging, artificial farming and the like are solved, the mining and discharging and reclaiming cost are reduced, and open-pit mine reclaiming is facilitated.

The invention relates to an integration fruit tree fertilizing method utilizing discarded mushroom dregs. According to the method, the discarded mushroom dregs thoroughly decomposed are used for being combined with nitrogen phosphorus and potassium fertilizer to serve as the fruit tree base fertilizer, when the nitrogen phosphorus and potassium fertilizer is fertilized for fruit trees, the medium trace element fertilizer in combined application of mushroom dreg extract liquid is utilized for carrying out leaf surface topdressing, and / or the mushroom dreg extract liquid is washed with water for the topdressing effect in the irrigation process; the mushroom dreg extract liquid is sprayed on fruit tree leaf surfaces, tree trunks and the like, the crop resilience is improved, and diseases are reduced. According to the method, the aspects from soil to the crop, the base fertilizer to topdressing, the inorganic mode to the organic mode, and nutrition to disease and pest resistance are taken into consideration, and the environmentally friendly discarded mushroom dregs are utilized for plant growth promotion, soil improvement and disease and pest resistance, so that the fruit tree integration fertilizing method is formed; high value and the environmental protection effect of the agricultural discarded mushroom dregs are utilized, and the sustainable development of the agricultural production and the environment is achieved.

The invention discloses a layered inner lifting unloading type ground anchor rod structure and a construction method thereof, and belongs to the field of supporting and retaining engineering. The layered inner lifting unloading type ground anchor rod support structure comprises lifting unloading steel pipes, anchor rods and an outer tension anchor structure. The lifting unloading steel pipes are composed of first type sleeves, second type sleeves and circular ring steel sheets. The anchor rods are composed of free sections, anchoring sections and stop grouting plugs. The outer tension anchor structure is composed of steel strands, a fixed pulley, a concrete pit, an anchorage pier and twine tighteners. The end, with the circular ring steel sheets, of the lifting unloading steel pipes are arranged on the free sections of the anchor rods in a sleeving mode, and are placed in a stable soil layer. The other ends of the lifting unloading steel pipes are connected with the outer tension anchor structure through the steel strands, and are fixed to the outer surface of a side slope (or a foundation pit). The layered inner lifting unloading type ground anchor rod structure has a simple structure and high bearing capacity, can fully utilize the stable soil layer and the free sections of the anchor rods, and solves the problems that a support structure is difficult to construct and the support structure is prone to crossing a building restriction line due to the face that an current high slope or certain special foundation pits cannot be subjected to piling or pore-forming.

The invention discloses a process for making recycled domestic wastes into an organic fertilizer. The process comprises the following steps: (1) selecting; (2) regulating the temperature in a reactorto 55-60 DEG C to stir; (3) adding a strain in the waste fermentation and feeding to a fermentation tank for fermentation treatment; (4) de-watering through a presser to form a solid; (5) adding the organic solid in a granulator, granulating, then feeding into a drier for drying and cooling to a normal temperature after drying. The process disclosed by the invention has the benefits that the organic fertilizer is applied to a farmland to improve the soil properties and improve the yield and the quality of crops and not only is a biological fertilizer capable of creating a good rhizosphere ecological environment, improving the fertilizer supply capacity of soil and making full use of environmental resources, but also can improve the yield under the situation of the same amount of fertilizer.

The invention relates to a soil improving method, in particular to an improving method of coastal high-chlorine saline soil. The method comprises the following steps that an improving agent is added into the coastal high-chlorine saline soil for improving treatment, wherein the improving agent is at least one of humic acid and biochar; the concentration of an aqueous humic acid solution is 1-20 ppm, and the dosage of the biochar accounts for 0.5%-4% of the weight of the coastal high-chlorine saline soil; the coastal high-chlorine saline soil is slightly alkaline, TDS is at least 340 mg / L, the content of Cl<-> in the soil is not lower than 2.5 ppm, and the content of SO4<2-> is not lower than 0.5 ppm. The improving agent used in the improving method can well improve the soil property, lower soil salinity, facilitate migration of negative ions in the soil, and when the concentration of the humic acid is 15 ppm, and the dosage of the biochar is 4%, the migration effect on the Cl<-> and the SO4<2-> in the high-chlorine saline soil is the best. The use ratio of the two improving agents is high, the improving effect on the saline soil is very good, the dosage of the improving agents is low, the cost is reduced, the technology process is simple, and operation is convenient.

The invention discloses a soil composite modifier and a preparation method and application thereof. The soil composite modifier is prepared from following raw materials in parts by mass: 10-30 parts of alkaline waste materials, 8-17 parts of tea dregs, 4-12 parts of peat, and 2-7 parts of excrements of livestocks. The preparation method comprises the steps of uniformly mixing the tea dregs and the excrements of livestocks, composting and fermenting, composting completely, mixing uniformly again and cutting up, sequentially mixing with the alkaline waste materials and peat uniformly. The soil composite modifier has stable properties, not only can improve the pH value and physical and chemical properties of southern acid soil, but also can lower the effectiveness of heavy metals in the soil, improve the activity of enzyme in the soil, lower the pollution of heavy metal polluted soil to underground water, and reduce the heavy metals absorbed by crops; and the modifier takes industrial and agricultural wastes as the raw material, turns waste into wealth, is low in cost and easy to prepare, and is a an ideal soil composite modifier which is used for treating acid heavy metal polluted soil and lowering heavy metals of vegetables.

The invention relates to a production process of a novel biological organic fertilizer for improving saline-alkali land, and belongs to the technical field of soil improvement. To overcome technical disadvantages in the prior art that soil improving agents are high in cost and improvement is slow, the production process of the novel biological organic fertilizer for improving the saline-alkali land is provided. The process adopts animal manure and crop straw as raw materials, and prepares the biological organic fertilizer by digesting the raw materials through deodorization treatment and biological organic matter fermentation to obtain an intermediate product, and mixing the intermediate product with humic acid and other fertilizers. The biological organic fertilizer can greatly and continuously reduce pH of the saline-alkali land. A soil improving composition is simple in preparing method and easily available in raw material and has good practical meaning and economic value.

The invention discloses a compound microbial inoculant special for lilium davidii var. unicolor. The compound microbial inoculant is fermentation liquor containing 8.0x10<8>-1.5x10<10> cfu / mL bacterial strain Bacillus thuringiensis SMs13, 8.0x10<8>-1.5x10<10> cfu / mL bacterial strain Bacillus Jicheiformis SMrs15, 8.0x10<8>-1.5x10<10> cfu / mL bacterial strain Bacillus laterosporus LEs15, 8.0x10<8>-1.5x10<10> cfu / mL bacterial strain Bacillus amyloliquefciens LEr08, 8.0x10<8>-1.5x10<10> cfu / mL bacterial strain Bacillus megaterium FBs03, and 8.0x10<8>-1.5x10<10> cfu / mL bacterial strain Bacillus subtilis FBrs14. The invention further discloses a preparation method of the compound microbial inoculant. The special compound microbial inoculant can coordinate the nutrition, promote the growth of lilium davidii var. unicolor, and improve the quality, yield as well as disease resistance and stress resistance of lilium davidii var. unicolor, and thus the purpose of improving the property of soil is achieved.

The invention provides fertilizer capable of increasing the sweetness of fig as well as a preparation method and an application method of the fertilizer, aiming at solving the problem in the prior art that the fruit yield is reduced while the sugar content of the fig is improved. The fertilizer provided by the invention is prepared from the following components in parts by weight: 10 to 20 parts of urea, 5 to 8 parts of potassium sulfate, 10 to 15 parts of gypsum powder, 5 to 10 parts of calcium phosphate, 5 to 12 parts of sodium sulfate, 15 to 25 parts of kaolin and 15 to 50 parts of organic fertilizer; the organic fertilizer is prepared from the following raw materials in parts by weight: 15 to 25 parts of fish bone meal, 10 to 20 parts of pig bone meal, 10 to 20 parts of plant ash, 15 to 25 parts of an oil cake, 10 to 20 parts of kaolin, 15 to 25 parts of corn straw and 12 to 15 parts of soybean meal. By applying the fertilizer provided by the invention, soil properties are improved and various nutrients needed by the growth of the fig are provided; the sugar content of the fig is improved, the sweetness of the fig is increased and the fruit yield is increased.

The invention discloses a saline-alkali soil improver which is prepared from the following raw materials in parts by weight: 10 to 25 parts of jujube pit carbon, 15 to 40 parts of vinegar residue powder, 3 to 10 parts of attapulgite, 5 to 10 parts of humic acid, 5 to 10 parts of calcium superphosphate, 1 to 5 parts of a water-retaining agent and 0.1 to 4 parts of a microbial agent. The soil improver can significantly improve the physicochemical properties of saline-alkali soil, reduce the pH value and total salt content of soil, increase the organic matter content of the soil, increase the granular structure of the soil and improve the water and fertilizer retention capacity of the soil; in addition, the soil improver is especially suitable for watermelon saline-alkali soil, and can greatly increase the yield of watermelons.

The invention relates to a method for producing circular granular potassium and organic-inorganic compound fertilizer through organic waste liquor, which comprises the following steps of: (1) neutralizing organic acidic wastewater by using synthesis ammonia until the wastewater is neutral; (2) adding bedding materials such as sylvite, urea, ammonium phosphate and the like in a 'tumbling and pelleting' device according to the requirement of a formula; (3) sprinkling neutral organic liquor obtained by the step (1) on a charge returning bed in a pelletizer to prepare a semi-finished product; and (4) drying, sieving and cooling the semi-finished product obtained by the step (3) to obtain a product. The method has the advantages that: 1, the produced circular granular potassium used as basic fertilizer for blending fertilizer is superior to flaky granular potassium produced by adopting the extrusion technology at present; and 2, the circular granular potassium and the organic-inorganic compound fertilizer which are produced by adopting the technology solve the problems that organic charring decomposition is easy to occur and the emission of tail gas does not reach the standard in a process that production enterprises of glutamic acid and monosodium glutamate produce the organic fertilizer by using the organic acidic wastewater and adopting 'tumbling, spouting and pelleting'.

The invention discloses environment-friendly organic-inorganic composite fertilizer and a preparation method thereof. The environment-friendly organic-inorganic composite fertilizer is prepared from the following raw materials: 11 to 33 parts of bacillus subtilis spore powder, 6 to 11 parts of potato peels, 1 to 3 parts of potassium fulvic acid, 3 to 5 parts of mallotus root, 15 to 22 parts of decomposed coal, 2.5 to 6 parts of chicken manure and chicken feather, 15 to 21 parts of Chinese medicine residue, 7 to 12 parts of carboxymethyl cellulose, 15 to 32 parts of royal jelly, 1.2 to 3.4 parts of carrot leaves, and 1.3 to 2.4 parts of urea. By effectively proportioning the raw materials such as bacillus subtilis spore powder, potato peels, potassium fulvate, mallotus root, decomposed coal, chicken manure and chicken feather, the composite fertilizer is complete in nutritional elements and balanced in nutrition, not only contains a great amount of elements for the growth of seedlings, but also contains rich mallotus root which facilitates the improvement of the utilization rate of the fertilizer and the rapid growth of the seedling; and the composite fertilizer also has the characteristics of stable, long and complete fertilizer effect, improves the soil properties, improves the soil fertility, decreases the soil infection disease, saves the labor cost, can be widely applied to base fertilizer and additional fertilizer of various garden afforestation seedlings, and is wide in application prospect.

The invention belongs to the technical field of rice planting and particularly relates to a sustainable improvement method for a paddy field in saline-alkali land and a mixed organic fertilizer. The improvement method for the paddy field comprises the steps of turn-over and application of desulphurization gypsum after autumn, rice straw pretreatment, preparation of the mixed organic fertilizer, turn-over and application of the mixed organic fertilizer in spring and the like. According to the method, the desulphurization gypsum is combined with the mixed organic fertilizer for application, andthe technology of turn-over in autumn and irrigation in winter is adopted, so that the improvement effect on saline-alkali soil is further improved, the cultivation efficiency of the improved soil isimproved, and experiments show that the method and the mixed organic fertilizer can obviously increase the rice yield of improved saline-alkali land. According to the method, with agricultural and industrial waste as a raw material, the environmental pollution is reduced, the method is beneficial to waste recycling, and therefore the method is a soil improvement method for sustainable development.

The invention discloses a liquid bio-organic fertilizer and a preparation method thereof. The liquid bio-organic fertilizer consists of the following raw materials by mass: 2-8 parts of potato juice, 5-15 parts of a compound microbial agent, 0.2-1.5 parts of amino acid, 0.2-1.5 parts of trace elements, 6-15 parts of brown sugar and 60-120 parts of water. The organic fertilizer provided by the invention not only can improve soil properties and enhance soil fertility, but also saves energy, protects the environment, also enhances the metabolic function of plants, and increases photosynthesis.

The invention belongs to the technical field of tea garden cultivation, and particularly relates to an ecological tea garden cultivation method. According to the method, by means of corresponding methods of conducting interplant of cassia rotundifolia in a newly reclaimed young tea garden, planting grass on a trapezoid platform and constructing a water storage and drainage project, soil propertiesof the tea garden can be improved, water loss and soil erosion are reduced, drought resisting, water conservation and fertility holding capabilities are enhanced, tea seedling survival rate of the young tea garden and bare land utilization rate are improved, and management of the young tea garden is promoted.

The invention discloses a soft soil foundation treatment method combining local vacuum and high-pressure aerosol disturbance. The soft soil foundation treatment method comprises the following steps: dividing a soft soil foundation treatment field into a vacuum area and an air filling area which are in a strip shape, carrying out the vacuum pre-pressing operation in the vacuum area, carrying out the high-pressure aerosol disturbance operation in the air filling area, adding a transverse drainage passage in a soil body, discharging the water in the soft soil foundation via a vacuum period sand cushion layer by virtue of the transverse drainage passage and a vertical drainage passage under the vacuum negative pressure, wherein the vacuum negative pressure can greatly increase an injection radius and influencing range of the high-pressure aerosol of the air filling area, so that while the drainage efficiency is improved, the power consumption is reduced, and the working period is shortened.

The invention discloses a soil-borne disease biocontrol microbial agent suitable for wheat and corn straw returning and a preparation method thereof. Currently, the tendency of generation of soil-borne diseases in straw returning plots is increased, and the farming quality after straw returning is severely influenced. The biocontrol microbial agent fully solves the problems, has the characteristics of strongly decomposing straws and preventing and treating the soil-borne diseases, can quickly decompose straws within short time after being applied on the straw returning plots, can fully utilize nutrition generated by straw decomposition to quickly breed and form preponderant floras in soil, and fully utilize the advantages of the floras to inhibit soil-borne disease producing germs. Moreover, the soil-borne disease biocontrol microbial agent achieves the aims of not only accelerating straw decomposition, improving the soil characteristics and promoting permanent planting and proliferation of biocontrol bacteria in the soil but also being capable of preventing and controlling the soil-borne diseases to the maximum degree, and is suitable for preventing and treating the soil-borne diseases such as wheat root rot, wheat take-all, wheat sheath blight, corn sheath blight and corn basal stem rot.

The invention discloses a grafting and seedling raising method for a psidium guajave tree and belongs to the technical field of agricultural planting. The grafting and seedling raising method comprises the following steps: seedling nursery preparation, stock seedling cultivation, grafting preparation, grafting and management after grafting, wherein a base fertilizer containing the following raw materials including decomposed dung, pond sludge, distiller grains, wheat bran, expanded perlite powder, humic acid, tea oil cakes, fish meal, a nitrification inhibitor, potassium sulfate, calcium phosphate, ammonium hydrogen carbonate, enzyme bacteria and quick lime is applied in a seedling nursery preparation process; and a remediator containing the following raw materials including gelatin, vegetable oil, saccharose, aloe juice, pomegranate barks, sophocarpidine, 6-benzylaminopurine, naphthylacetic acid, erythrocin, heteroauxin, boric acid, monopotassium phosphate and carbendazim is smeared at the edge of a junction of a scion and a stock seedling in a grafting process. By using the grafting and seedling raising method, the problem that the survival rate of grafted seedlings of psidium guajave is not high in a process of cultivating psidium guajave tree seedlings by using a traditional grafting method is solved.

The invention relates to a treatment method for difficult waterproof curtain pile forming caused by a too large filing pile filling coefficient. The treatment method comprises the steps that firstly,the neck expanding situation of a concrete filling pile is preliminarily judged; secondly, after the filling pile reaches 70% or above of the design strength, rotary jet grouting waterproof curtain pile construction is conducted on the middle point of the connecting line of circle centers of adjacent filling piles; thirdly, for a pile body, with serious neck expanding, of the concrete filling pile, the concrete serious neck expanding depth and degree are preliminarily judged; fourthly, surveying and setting out are conducted, and the filling pile radius distance point is obtained when the middle point of the connecting line of the circle centers of the two adjacent filling piles outwards moves towards the outer side by 1 / 4-1 / 3; fifthly, drilling machine hole guiding is conducted, and is deeper than the designed pile bottom elevation by 30-50 cm; and sixthly, rotary jet grouting waterproof curtain pile construction is conducted. The treatment method is wide in application, and application of the waterproof curtain pile in the aspects of foundation treatment, soil property improvement, water sealing and intercepting and the like is wide.

The invention discloses a method for transplanting garden trees. The method mainly comprises the following steps: 1, improving garden soil; 2, covering a matrix; 3, digging a planting hole; 4, digging a tree: cutting roots and crowns of a target tree, and digging from outside to inside around the tree by taking 6-8 times the diameter at breast height of the tree trunk as the diameter of a soil ball and taking the tree trunk as a center so as to guarantee that the soil ball carried by the tree roots is big enough and the root system original soil and rhizosphere original soil are retained as much as possible while transplanting; 5, transporting the tree; and 6, transplanting the tree: putting the tree in the planting hole, filling in soil and carrying out later maintenance. The method for transplanting the garden trees, disclosed by the invention, has the advantages that the garden soil is improved to ensure that the soil property is improved and the soil fertility is increased; and the matrix is covered to ensure that moisture in the matrix is uniformly retained for a long time and the rooting and sprouting of the trees are promoted.

The invention discloses a method for preparing a special fertilizer for improving soil hardening by taking tea hair as a raw material. The feed is prepared from the following raw materials in parts byweight: 10-25 parts of tea hair, 10-20 parts of pine needle meal, 10-20 parts of egg shells, 10-20 parts of soybean residues, 10-20 parts of peanut shells, 10-20 parts of rice husks, 5-10 parts of orange peel and 100-200 parts of rice washing water. The special fertilizer for improving soil hardening can increase organic matter of soil, improve soil properties, enhance water retention, fertilizerretention, water seepage, ventilation and permeability of the soil, improve the utilization rate of fertilizers, and effectively improve the crop yield, is suitable for jasmine planting, and can promote growth and flowering of jasmine and enhance disease resistance and stress resistance of jasmines.

The invention discloses a seedling raising method for Camellia oleifera by grafting, belonging to the technical field of agricultural planting. The seedling raising method comprises the following steps: seedling orchard preparation, shade shed building, rootstock cultivation, scion preparation, grafting, and grafted seedling planting management, wherein a base fertilizer containing the following raw materials is applied in the process of seedling orchard preparation: decomposed farmyard manure, biogas residue, Chinese medicine residue, distiller's grains, humic acid, Camellia oleifera seed cakes, fish meal, potassium sulfate, calcium phosphate, magnesium sulfate, zinc sulfate, copper sulfate, ammonium hydrogen carbonate, sodium molybdate, enzyme microorganisms and quicklime; and a healingagent containing the following raw materials is smeared at the edge of the joint position of a scion and a rootstock in the process of grafting: gelatin, hydroxyethyl cellulose, vegetable oil, sucrose, aloe juice, pomegranate peel, matrine, 6-benzyl aminopurine, naphthylacetic acid, erythromycin, diethyl aminoethyl hexanoate, boric acid, potassium dihydrogen phosphate and carbendazim. The seedlingraising method provided by the invention solves the problem of low survival rate of grafted Camellia oleifera seedlings in the cultivation process of Camellia oleifera seedlings through a traditionalgrafting method.

The invention discloses a liquid conditioning agent suitable for integrated water and fertilizer drip irrigation application. The liquid conditioning agent comprises the following components in parts by weight: 75-110 parts of liquid yellow humic acid, 250-400 parts of a low-solubility slow-release fertilizer, 80-140 parts of nano carbon, 75-100 parts of a scenedesmus armatus decomposing agent, 55-75 parts of fenaminosulf, 30-60 parts of a water retaining agent, 8-20 parts of azotobacter chroococcum, 600-750 parts of water and 10-14 parts of carbendazim. The liquid conditioning agent suitable for integrated water and fertilizer drip irrigation application, disclosed by the invention, can be suitable for drip irrigation along with water, is good in water retaining performance and can increase the fertility of soil while the moisture content of the soil is improved and improve the soil properties of a saline-alkaline land.