41results about How to "Prevent secondary salinization" patented technology

A full nutrition fertilizer of biology type and its producing method belongs to organic complex fertilizer field in biology type. The components of the full nutrition fertilizer is 20-50% of organic waste liquid, 10-30% of urea, 8-15% of diammomium phosphate, 10-25% of potassium sulfate, 5-20% of medium trace element, 1-5% of microbial inoculum, 0-0.2% of root-promoting agent; 0-2% of solutizer, effective viable count content of the microbial inoculum of more than 1010/g. The fertilizer is produced by adding the urea, diammomium phosphate, potassium sulfate, medium trace element, root-promoting agent, solutizer into organic waste liquid and blending uniformly, then adding microbial inoculum. The invention uses the wastes to produce fertilizer with a low cost a high availability and a good prospect in the fertilizer industry. The fertilizer can be widely applied to the vegetables, melon and fruits, food, tobacco, forests and different commercial crops.

The present invention is multiple-nutrient water soluble solid composite chelated fertilizer and belongs to the field of agricultural fertilizer technology. It is prepared with the components, including monoammonium phosphate, urea, potassium chloride, magnesium chloride, copper sulfate, zinc sulfate, ferrous sulfate, manganese sulfate, boric acid, calcium citrate, composite chelating agent, pH regulator and ammonium chloride, and through chelating reaction in reaction tank at 110-115 deg.c, concentration and crystallization, high pressure exhausting and cooling crystallization. The fertilizer may be applied through drip irrigation, and has greatly raised utilization, less environmental pollution and capacity of raising agricultural product quality.

The invention discloses a high-yield sunflower planting method. The method includes the steps of 1 land selection, 2 soil preparation and base fertilizer applying, 3 seed selection, 4 seed treatment, 5 sowing, 6 field management, 7 topdressing, 8 disease and pest control and 9 harvesting. The field management includes watering, filling the gaps with seedlings, weeding, supplementary pollination and pruning. The high-yield sunflower planting method selects hybrid sunflower seeds to obtain cultivated sunflowers of good quality, is environmentally friendly to meet the ornamental needs of people and not cause environmental pollution and has significant economic and social benefits. Furthermore, the fruit of the sunflowers cultivated from the hybrid sunflower seeds is good in quality, high in yield and good in commodity characteristic.

The invention discloses special compound fertilizer for drip irrigation of greenhouse grapes, which comprises the following nutrient elements based on fertilization ratio: 164.47kg hm<-2> of N, 77.08kg hm<-2> of P205, 256.47kg hm<-2> of K2O, 24.32kg hm<-2> of CaO, 12.538kg hm<-2> of MgO, 9.30kg hm<-2> of B, 6.36kg hm<-2> of Fe, 4.22kg hm<-2> of Mn, 1.21kg hm<-2> of Cu, 0.38kg hm<-2> of Zn and 0.35kg hm<-2> of Mo. On the basis of soil nutrient-supply characteristic and law of water and nutritional demand of the grapes, the special compound fertilizer for drip irrigation of the greenhouse grapes with strong applicability is obtained by a physical method through field experiments and check research.

The invention discloses a facility cultivation method for grapes. The purpose is to solve the problems that in an existing cultivation technology for the grapes, the utilization efficiency of water and fertilizer is low, and the ventilation of rhizosphere soil is poor. The facility cultivation method for the grapes includes the steps that 1, a cultivation shed/greenhouse is prepared; 2, in seedling field planting, seedling field planting is suitable for being carried out at the spring, robust seedlings are selected for field planting, the height of the seedlings is larger than or equal to 50 cm, the thickness of the seedlings is larger than or equal to 0.6 cm, the number of plump buds is larger than or equal to four, the row spacing is set to be 0.8 m, and the line spacing is set to be 1.5 m; 3, in construction of an irrigation system, a heat pivot of the irrigation system is installed, and then a drop irrigation system is constructed inside the cultivation shed and connected with the head pivot of the irrigation system; 4, water and fertilizer management is performed; 5, in temperature management, the temperature at daytime inside the cultivation shed/greenhouse is 23-28 DEG C, and the temperature at night inside the cultivation shed/greenhouse is 15-20 DEG C, wherein during frosting, the surface layer of soil can be covered with a layer of straw or straw matting, and the thickness of the straw or the straw matting is 5 cm; 6, shaping and trimming are performed; 7, diseases and insect pests are prevented and treated; 8, corn straw matrixes are supplied.

The invention discloses a saline and alkaline land improvement method. The improvement method comprises the following steps: crushing plant straw to prepare plant straw powder, then, scattering the plant straw powder into saline and alkaline land, and carrying deep ploughing and turning; applying a mixture consisting of soybean meal, furfural residues, activated biochar powder, a microbial agent,inorganic fertilizer, natural zeolite powder, mineral-sourced humic acid and modified calcium alginate aerogel to the surface layer of the saline and alkaline land, and using a rotary cultivator for rotary cultivation and mixing; flattening the soil surface layer of the saline and alkaline land, uniformly sowing alfalfa seeds on the flattened saline and alkaline land, then, performing earthing up,and controlling the sowing depth at 1-2 cm; during harvesting, keeping the stubble height of alfalfa at 5.5-7.5 cm; carrying out deep ploughing, turning and burying on the saline and alkaline land toturn and bury the alfalfa stubbles in the soil; and then, planting wheat or corn crops. The method can effectively reduce the soil alkalization degree and salt content, and the physiochemical properties of the soil are effectively improved.

The invention relates to a head chute separated type ballastless track cutting bed structure for middle-strong salinized soil soil areas, in order to solve the technical problems of the high speed railway ballastless track design and meet the deformation control and durability requirements for high speed railway ballastless tracks. The head chute separated type ballastless track cutting bed structure comprises reverse L-shaped protecting layers, longitudinal seepage salt-removing blind gutters, base separating layers and drainage ditches, wherein the reverse L-shaped protecting layers are arranged on the slopes on the two sides of the bed excavation; the longitudinal seepage salt-removing blind gutters are arranged at the slope toes of the reverse L-shaped protecting layers on the two sides of the bed; the base separating layers are arranged above the bed bottom and the longitudinal seepage salt-removing blind gutters; a lower structural layer of the bed bottom, an upper structural layer of the bed bottom, a bed separating layer and a bed surface layer are successively paved above the base separating layers from bottom to top; the drainage ditches are arranged on the two sides of the upper structural layer of the bed bottom.

The invention discloses a land consolidation method capable of increasing effective cultivated land area. The method comprises the steps of firstly, dividing field between two branch ditches and two lateral draining ditches, dividing field blocks in the field, and leveling land in the field blocks; secondly, respectively building hardened field ditches in boundary positions of all the field blocks, ensuring that the head ends of the field ditches are connected with lateral canals, the tail ends are connected with the lateral draining ditches, the canal ratio is reduced to 1000:1 to 300:1, and the upper opening of each field ditch is lower than field surfaces on two sides, and additionally arranging a controlling gate at the junction of each the field ditch and each lateral draining ditch; thirdly, arranging a plurality of conical large open wells on identical sides of the field ditches at intervals, and ensuring that the large open wells beside adjacent field ditches are distributed in a staggered way; and fourthly, arranging a diving pump in each large open well, connecting the water outlet with the large open well, and arranging an automatic control switch on each diving pump. The method can rapidly remove excess surface water, ensures that the excess surface water rapidly infiltrates into earth mass and leaches saline matter in the earth mass, reduces the direct runoff rate, surface layer nutrient loss and water logging damage, can increase the effective cultivated land area, and facilitates irrigation.

The invention discloses bacillus subtilis and application thereof in greenhouse soil remediation. By carrying out strain isolating, screening, breeding and domesticating on a greenhouse soil sample as well as through 16S rDNA sequencing and phylogenetic analysis, 70-80 parts of bacillus subtilis XHS0035Kc CGMCC NO.9434, 20-40 parts of pseudomonas fluorescens, 25-45 parts of bacillus mucilaginosus and 15-35 parts of sporidiobolus pararoseus are mixed, and a mixed strain liquid is fully adsorbed in a carrier and is mixed with accessories, wherein the carrier is selected from greenhouse soil and the accessories include urine and calcium superphosphate; a greenhouse soil remediation compound is prepared by virtue of a fermentation technology; and the soil remediation compound has an outstanding technical effect in greenhouse soil remediation.

The invention discloses a method for promoting the rapid growth of tamarix chinensis in severe saline-alkali soil and increasing a planting benefit. The method comprises the following steps: seedbed construction; cutting treatment; cuttage planting, namely directly inserting a cutting end dipped with rooting powder into soil, and exposing the top end of a cutting out of the ground by 2-3cm; soil covering and heat insulation; fertilizer application, namely starting to germinate tamarix chinensis subjected to cuttage from the end of March to the beginning of April in the next year, and at the moment, properly applying a fertilizer to be beneficial to the rapid growth of tamarix chinensis; and carrying out management and stumping. Compared with an existing technology, the method disclosed bythe invention has the advantages that the increments of stem diameter, plant height and crown breadth of the tamarix chinensis are remarkably increased, the reduction of the later-period growth speedafter the vigorous growth period of the tamarix chinensis is obviously delayed, the salt content of the section of the soil is also remarkably reduced, and the contents of Na<+> and Ca<2+> in leaves of the tamarix chinensis are remarkably increased. The usage amount of the fertilizer is greatly reduced, the utilization ratio of the fertilizer is increased, the loss of the fertilizer is reduced, and the win-win goals of rapid and green development as well as efficient improvement of the saline-alkali soil are achieved.

A preparation method of a shell powder organic fertilizer biological conditioner comprises the following steps: A, preparing shell powder: cleaning shells with clear water, drying, soaking the cleanedand dried shells in a sodium hydroxide solution with the mass concentration of 0.2% for 40 minutes, cleaning again, and drying for later use; and then crushing; B, preparing an organic fertilizer: mixing pig manure compost with an amino acid organic fertilizer according to a weight ratio of 1: 1; and C, mixing: uniformly stirring and mixing the shell coarse micro powder obtained in the step A andthe organic fertilizer obtained in the step B according to a weight ratio of 1: 2 to prepare the shell powder organic fertilizer biological conditioner. The shell powder is combined with the organicfertilizer to replace an industrial fertilizer, the soil structure and physical properties can be improved, the water and fertilizer retention capacity of soil is improved, meanwhile, damaged soil microbial populations can be recovered, and the purposes of high yield, high quality, high efficiency and continuous land utilization of vegetable production are achieved.

The invention discloses a sand cultivation mode, comprising the steps of setting planting ditches in a protected land, wherein the planting ditches are 0.8 m spaced, and a drain ditch 0.35 m in depthis arranged at the outer side of each planting ditch; covering the inside of the drain ditches with mulch, fixing well, and setting an underground liquid reservoir at the tail end, except for the cultivation area, of the protected land; allowing water in the planting ditches to smoothly flow from inside to outside, and covering the inside of the planting ditches evenly with HDPE (high-density polyethylene) to tightly wrap the two sides, inner side and outer side of the planting ditches; mixing well slag and sand in the mass ratio of 3:5, spreading the mixture evenly into the planting ditches,laying substrate, using water mixed with a disinfectant to irrigate the planting ditches by flooding, and washing the substrate twice; laying dripper tubes above the substrate, and covering with mulch. The sand cultivation mode has low input cost; the slag and sand can be taken in situ; the sand cultivation mode is simple to perform and is easy for common people to accept; the sand cultivation mode provides better convenience and high speed, and saves time and labor.

The invention discloses a method for breaking through multiple impervious layers of difficult afforestation soil. The method comprises the following steps of A, leveling a land parcel to be afforestedaccording to the terrain; B, determining planting ditches on the levelled land according to the types of trees or shrubs to be planted; C, determining the positions and the number of poles of the planting ditches; D, mechanically punching impervious layers to form vertical holes; E, filling sand back into the vertical holes and compacting the sand, and mounting filtering tubes as into a part of the vertical holes as observing holes; F, periodically observing the water level change in the vertical holes. The method for breaking through the multiple impervious layers of the difficult afforestation soil is based on engineering physical measures to break through the impervious layers of difficult afforestation underground soil to form a mesh shape, so that rainwater or upper underground waterformed by irrigation can be displaced downwards to reduce the content of salt and alkali in soil of an afforestation arable layer, reach the critical depth of underground water and avoid death of afforestation seedlings due to secondary salinization caused by irrational irrigation. The method for breaking through the multiple impervious layers of the difficult afforestation soil is low in cost, easy to operate, rapid in effect, good in desalination effects and capable improve the seedling survival rate.

The invention discloses a method for treating saline-alkali soil of coastal saline-alkali soil through the combination of engineering and chemical improvement, and belongs to the technical field of saline-alkali soil improvement. The method for treating the saline-alkali soil of the coastal saline-alkali soil through the combination of engineering and chemical improvement comprises the steps of (1) concealed conduit laying pretreatment, (2) concealed conduit laying, (3) soil conditioner application, (4) crop planting and the like. By adopting the method for treating the saline-alkali soil through the combination of engineering and chemical improvement, when rice is planted on the coastal saline-alkali soil, on the one hand, a remarkable salt reduction effect is achieved on the saline-alkali soil through engineering measures, and on the other hand, the physical and chemical properties of the soil can be adjusted through matching of a soil conditioner, so that the overall improvement effect on the soil is further achieved.

The invention relates to a soil remediation type multifunctional biological fertilizer and a preparation method thereof. The preparation method comprises the following steps: fermenting a paenibacillus polymyxa strain and a bacillus pumilus strain separately to obtain a first fermentation liquor and a second fermentation liquor; respectively adsorbing the first fermentation liquor and the second fermentation liquor with an adsorption carrier to correspondingly obtain a first mixture and a second mixture; and mixing the first mixture with the second mixture to obtain a third mixture, then, mixing with inorganic nutrients to obtain the soil remediation type multifunctional biological fertilizer. The soil remediation type multifunctional biological fertilizer is applied to soil with soil-borne diseases and secondary salinization to cultivate crops. According to the soil remediation type multifunctional biological fertilizer, the application amount of conventional fertilizers can be reduced, the utilization rate of the conventional fertilizers is effectively increased, the soil environment can be improved to a great extent, the prevention and treatment effect on crop diseases is good,and the quality of crops is improved to a great extent.

The invention discloses special compound fertilizer for cultivation of winter jujube facilities and a preparation method, and relates to the technical field of soil improvement and compound fertilizer, in particular to special compound fertilizer for cultivation of winter jujube facilities and a preparation method. The special compound fertilizer is prepared from the following fertilizer applyingcomponents of urea, monoammonium phosphate, potassium nitrate, calcium nitrate, magnesium sulfate, ferrous sulfate, manganese sulfate, copper sulfate, zinc sulfate, borax, ammonium molybdate and fertilizer-level bentonite according to a ratio of 45:6:17:2.5:2.5:2:1.5:1.5:1.5:4:1.5:15. The special compound fertilizer has the advantages that the problems of fewer types of nutritional elements, poordissolvability, unreasonable nutrient composition, easiness in soil caking, unbalance of nutrients, and pollution to environment in the existing compound fertilizer are solved; the special compound fertilizer is suitable for large-area popularizing, the targeting purpose is strong, the output of winter jujube is increased, the quality of the winter jujube is improved, the waste of fertilizer and water is reduced, the utilization efficiency of water and fertilizer resource is improved, and the agricultural production cost is reduced.