69 results about "Low fertility" patented technology

The invention relates to a method for manufacturing amino acid active fertilizer, which overcomes defects of the prior fertilizer made from plant material of low fertilizer conversion efficiency, low fertility, difficult absorption and small application range. The invention comprises following steps: firstly, the plant material is crushed into ultramicro-nanometer material; secondly, the ultramicro-nanometer material and the amino acid active inducer are mixed in a blender uniformly according to the weight ratio of 1:0.2 to 5 so as to make into semi-amino acid active material; thirdly, the semi-amino acid active material is added with water in the weight of 0.3 to 8 times, with a temperature of 10 DEG C to 50 DEG C and a pH of 6.0 to 8.0, and then is added with fermenting enzyme and micro-bacteria according to the weight of 0.5 to 7 percent of the semi-amino acid active material, the zymohydrolysis and fermentation are implemented in the vessel for 1 to 240 hours so as to generate the amino acid active fertilizer.

At present, the total artificial breeding technology is generally used for breeding Carassius aurutus gibelio in our country, which has the main following defects due to adopting an artificial insemination method: influenced parent survival rate, low fertility rate, hatchability and increased offspring seed cost. In the semi-artificial breeding technology for Carassius aurutus gibelio in the invention, the artificial insemination in the complete artificial breeding process is changed into natural insemination, namely, a natural breeding environment for the Carassius aurutus gibelio is simulated in a pond so as to enable the male and female parents to perform copulation and breeding. The invention has the following advantages: the pond is utilized to create the natural breeding environment for the Carassius aurutus gibelio so as to improve the fertility rate which can reach above 95% generally; and natural copulation between the female and male parents is finished in the pond, thus avoiding parents from being injured, improving the parent survival rate, saving a great amount of manpower and material resources and effectively enhancing the breeding efficiency. Therefore, the semi-artificial breeding technology for the Carassius aurutus gibelio in the invention can solve the problem of breeding the Carassius aurutus gibelio in a scale.

The invention discloses a seriously-saline-alkali soil conditioner as well as a preparation method and application of the seriously-saline-alkali soil conditioner, wherein the soil conditioner comprises the following components in parts by weight: 50-55 parts of calcium salt, 20-25 parts of biomass cokes, 13-16 parts of a biomass water solution and 12-15 parts of an organic fertilizer. The soil conditioner can be used for rapidly and effectively solving various problems such as high soil alkalization degree, low fertility, high soil pH value and soil agglomeration, and is low in price and low in heavy metal content.

The invention discloses a technical method for cultivating an optical thermosensitive genetic male sterile line with low fertility transformation starting point temperature. According to the technical method for cultivating the optical thermosensitive genetic male sterile line with the low fertility transformation starting point temperature, unique natural light and temperature conditions in Sanya in Hainan province is fully used, hybridization is achieved by an excellent optical thermosensitive genetic male sterile gene donor parent and an excellent receptor parent (or back crossing is achieved for one time), a group of F2 generation (or BC1F2 generation) are sown by stages from the last ten-day period of December, each stage lasts five days, and the number of the stages is ten, the heading stage of the group is enabled to cover a sterile line fertility transformation stage, a plurality of single plants which are transferred into sterile lines early are selected in the group, cold penetration is carried out, seeds of selfing fructification are collected, added generation is planted in the middle-ten-day of August, a secondary stage screening is carried out in the last ten-day period of December, cold penetration is carried out on the single plants which are transferred into sterile lines early, seeds of selfing fructification are collected, adding generation and screening are carried out again, single plants (lines) which are transferred into sterile lines early are selected, and the selected single plants (lines) are placed in a target application eco-region for being identified, named, and applied by being put into a matching group.

The present invention relates to intranasal testosterone gels for the controlled release of testosterone into the systemic circulation of males and females for providing constant effective testosterone blood levels, without inducing undesired testosterone spike in blood levels, following pernasal administration. The intranasal testosterone gels of the present invention are safe, convenient to use, well tolerated, stable and easily and reproducibly manufactured on scale up. Moreover, because supra- normal and sub-normal testosterone blood levels are believed to be essentially kept to a minimum or avoided and the testosterone serum levels are believed to remain essentially constant during dose life, i.e., the intranasal testosterone gels of the present invention mimic or restore testosterone blood levels to normal physiologic daily rhythmic testosterone levels, the novel intranasal testosterone gels of the present invention are uniquely suited for testosterone replacement or supplemental therapy and effective for treating males diagnosed with, for example, male testosterone deficiency, such as, low sexual libido, low sexual drive, low sexual activity, low fertility, low spermatogenesis, aspermatogenesis, depression and / or hypogonadism, and females who are diagnosed with, for example, female sexual dysfunction, such as, low sexual libido, low sexual drive, low sexual activity, low amygdala reactivity, low sexual stimulation, hypoactive sexual desire disease ("HSDD"), female sexual arousal disorder and / or anorgasmia. The present invention also relates to methods and pre- filled multi-dose airless applicator systems for pernasal administration of the nasal testosterone gels of the present invention.

The invention relates to a multifunctional peanut leaf fertilizer which comprises the following components in percentages by weight: 0.95-1.55% of macroelements, 0.25-0.45% of trace elements, 0.75-1.25% of organic monosaccharide, 0.35-0.55% of a pesticide, 0.15-0.25% of a wetting agent and the balance of water. The macroelements are a salt containing any one or more of nitrogen, phosphorus and potassium; the trace elements are a salt containing any one or more of iron, copper, zinc, cobalt, manganese, chromium, selenium, iodine, nickel, fluorine, molybdenum, vanadium, tin, silicon, strontium, boron, rubidium and arsenic; the organic monosaccharide is any one or more of glucose, fructose and galactose; the pesticide is one or two of chlorpyrifos and chlorothalonil; the wetting agent is a detergent. By separately applying the multifunctional peanut leaf fertilizer provided by the invention to field blocks with low fertility and high fertility, growth and development of peanuts are obviously promoted; the ability of photosynthesis of the peanuts is obviously enhanced, the output and milled rice rate are increased, and the quality indexes, for example, proteins and fat, of the peanuts are obviously improved.

The invention relates to a nitrogen fertilizer applying method, and the method is as follows: a quantitative nitrogen fertilizer is respectively applied to rice in the seventh day, the fourteenth day, the thirty-fifth day, the forty-ninth day, the fifty-sixth day, the seventieth day and the seventy-seventh day after rice transplanting so as to improve rice yield and / or nitrogen utilization rate. The method has the advantages of timing and quantitative nitrogen fertilizer application and simple and easy operation. Compared with a real-time nitrogen management mode and a leaf age nitrogen application mode, the nitrogen fertilizer applying method can synchronously significantly improve the rice yield and the nitrogen utilization rate in a low fertility field, the nitrogen utilization rate in a medium fertility field of the nitrogen fertilizer applying method is higher than that of the leaf age nitrogen application mode, and the rice yield in a high fertility field of the nitrogen fertilizer applying method is higher than that of the real-time nitrogen management mode.

The invention belongs to the field of feed for monogastric animals and particularly relates to complete feed used for a pregnant sow and capable of reducing malformation of newborn piglets and a preparation method. A formula of the complete feed comprises components in parts by weight as follows: 38-42 parts of corn, 8-15 parts of flour, 15-20 parts of soybean meal, 12-20 parts of soybean hulls, 8-10 parts of barley, 1-2 parts of glucose, 1-2 parts of animal fat, 0.8-1 part of calcium powder, 1.2-1.5 parts of calcium hydrophosphate, 0.2-0.4 parts of sodium chloride, 0.1-0.2 parts of potassium chloride, 0.02-0.04 parts of plant essential oil, 0.05-0.1 parts of probiotics, 0.05-0.1 parts of xylooligosaccharide and 1 part of compound premix. Through combined design of multiple nutritional ingredients, the malformation probability of the newborn piglets is reduced, the key problem in the feeding process of current sows is solved and the defect of low fertility of the current sows is overcome.

The invention provides a compound fertilizer suitable for celery planting in middle and low fertility area. The invention optimizes formulation of compound fertilizer components to maximize compound fertilizer efficiency; and the compound fertilizer is especially suitable for the soil in mountainous area of southern Anhui, and has great application prospect.

The invention relates to a fertilizing method for improving fertility of poor soil of a new reclamation slope of Ili river valley. The method aims to settle the problems of large gradient, small soil thickness, low fertility, and soil nutrient loss caused by easy soil erosion in the new reclamation slope of Ili river valley. Through performing stubble mulch non-tillage and directly interplanting of corns and soybeans along an isoline after winter wheat is harvested, and optimizing water and fertilizer control management on the wheat, corn and soybean, culturing blank period shortening and soil erosion reduction are realized. Furthermore soil fertility is improved through soil conservation by leguminous plants and straw returning of autumn crops, thereby realizing maturation of the poor soil at the new reclamation slope, keeping surface coverage of the new reclamation slope and reducing soil erosion in the culturing blank period. Furthermore through optimized water and fertilizer management measures, poor soil maturation through fertilizing and water-and-soil conservation of the poor soil at the new reclamation slope of Ili river valley are realized.

The invention discloses a crop phosphate fertilizer application technology for improving phosphate fertilizer utilization rate, belongs to the field of agricultural fertilizer application, and specifically relates to the crop phosphate fertilizer application technology for improving phosphate fertilizer in-season utilization rate. The crop phosphate fertilizer application technology is characterized in that, soil available phosphorus is fully used, maintenance time of high concentration available phosphorus can be reduced, fixation is reduced, the loss is reduced, maximum supply in fertilizer required period is ensured, and the in-season utilization rate is improved. In middle and high fertility farmlands, especially in farmlands with the soil available phosphorus being more than 30mg / kg, a phosphate fertilizer is not applied in seedling stage, seedlings are only allowed to absorb soil available phosphorus, 30 to 150 kg per hectare of phosphate fertilizer (P2O5) is applied in early flower bud differentiation stage, and the theoretical concentration of the available phosphorus in a plough layer can be improved by 80-300% compared with original initial concentration. In middle and low fertility farmlands, especially in farmlands with the soil available phosphorus being lower than 10mg / kg, the phosphate fertilizer is applied in two times; 15-75 kg per hectare of base fertilizer (P2O5) is applied, 15-75 kg of the fertilizer (P2O5) is applied in early flower bud differentiation stage, and the theoretical concentration of the available phosphorus in the plough layer soil can be improved by 80-300% compared with the original initial concentration in the two times of fertilizer application.

The invention discloses a soil conditioner for agricultural planting. The conditioner is composed of, by weight, 15-25% of clay, 20-29% of humic acid, 6% of a water-retaining agent, 40-50% of ammonium bicarbonate and 5% of other ingredients. The other ingredients are amicronutrients fertilizer and moisture. According to the invention, problems such as low fertility, poor physical and chemical properties and the like of soil for backfill of raw-soil farmlands after new terraced fields, mining and different types of construction in the north can be solved. The soil conditioner has effects of improvement of soil fertility, conditioning of soil physical and chemical properties and quick curing. By the use of the soil conditioner, soil fertility is remarkably enhanced, soil bulk density is reduced, soil porosity is raised, soil aggregated structure is improved, water retaining capacity of soil is improved, north alkaline soil cation exchange capacity is raised, utilization rate of fertilizer is increased, and yield of field-crops on raw soil is boosted by 20-40%.

The use of a compound of formula (I) an isomer thereof, a prodrug of said compound or isomer, or a pharmaceutically acceptable salt of said compound, isomer or prodrug, in the manufacture of a medicament for the palliative, prophylactic or curative treatment of negative energy balance in ruminants. The use of a compound of formula 1, in the manufacture of a medicament for the palliative, prophylactic or curative treatment of ruminant disease associated with negative energy balance in ruminants, wherein, preferably, the ruminant disease associated with negative energy balance in ruminants is selected from fatty liver syndrome, dystocia, immune dysfunction, impaired immune function, toxification, primary ketosis, secondary ketosis, downer cow syndrome, indigestion, inappetence, retained placenta, displaced abomasum, mastitis, (endo-)-metritis, infertility, low fertility, and lameness.

The invention relates to the technical field of rice mechanical planting, and relates to rice cultivation by using an over-eight inch row-planting method, and is characterized in that the use plant spacing is determined to be 120 mm by the land block of moderate-low fertility, the use plant spacing is determined to be 140 mm by the land block of high fertility, the density change and the damage caused by the soil fertility and rice tillering capacity are solved by that the plant spacing is determined to be 9-inch, the 9-inch line spacing is reduced and the density is increased, and the transplanting principle that if the rice plant is high, the density is low, and if the rice plant is low, the density is high is adopted, a corresponding row spacing is selected if the plant height is in line spacing range of less than 9 inches and larger than 8 inches and rice transplanting is carried out, and the number of basic seedlings in the relative 9-inch row is increased by reducing the line spacing, a relatively fixed row 9*3 interpolation method can be used for continuously increasing the yield and stably increasing the yield.

The invention discloses a cotton planting method suitable for medium and low fertility areas. The method includes the steps of soil preparation, seed screening and seedling culturing, seedling bed management, seedling bed fertilization, core shearing, seedling transplanting, growth management, fertilization, and harvesting. By means of the cotton planting method suitable for the medium and low fertility areas, the yield is high, the cost is low, the management is easy, each cotton tree bears about 60-80 fruits, the yield per mu is increased by 20-30%, and in a two-row stripped planting mode, the stripped row hole distance is 50*30*25 to 50*30*20 cm, 600-700 holes are formed per mu, and 1.7-5 ten thousand plants are planted per mu; the optimized high-yield specification is configured, on the premise that the irrigation water consumption is not increased, fertilizer is intensively applied, water is effectively used, effective evaporation of soil is turned into effective transpiration of the plants, and the cotton yield in the medium and low fertility areas is effectively increased.

The invention discloses a multifunctional alkalinized soil conditioner. The multifunctional alkalinized soil conditioner comprises quinquangular particles consisting of nutrition inner cores and alkali-reducing and salt-resisting agent outer layers, wherein the nutrition inner cores and the alkali-reducing and salt-resisting agent outer layers form quinquangular shapes; the maximal diameter of each alkali-reducing and salt-resisting agent outer layer is 4 to 7mm; the maximal diameter of each nutrition inner core is 2 to 4mm. The multifunctional alkalinized soil conditioner can be applied to plants, has the advantages of convenience, low price, attractive appearance, environment friendliness and the like, and is suitable for regions with basification soil in China. The soil conditioner has the effects of improving and fertilizing soil, and the problem of low fertility of salinized soil is solved. Therefore, in the salinized regions, nutrient soil suitable for a garden or planting flowers by residents can also be convenient to obtain, and a living room is beautified.

The invention relates to the technical field of agriculture, and especially relates to a lettuce cultivation method. With the method, lettuce plant is robust, and pest and disease resistances are high. The method is suitable for areas with medium or low fertility. The lettuce cultivation method is characterized in comprising the following steps: (1) lettuce seedling-raising and transplanting are carried out; (2) seed low-temperature treatment is carried out, wherein seeds are wrapped with a gauze, and are placed at a shaded place at a water tank; (3) sowing is carried out. For spring lettuce the seedlings of which are raised in a greenhouse, a film on a seedling plot is opened; sufficient bottom water is applied; when water penetrates into soil, the seeds are doped with a small amount of fine sand or fine soil, and the well mixed mixture is sowed in a broadcast way; (4) reasonable close planting is carried out. Lettuce has high fertilizer demand, such that high fertility should be maintained, and loam should be loosened; and (5) fertilizer is applied with water, wherein the fertilizer is dissolved first, and then applied into the field with water.

The invention provides a compound fertilizer suitable for radish planting in middle and low fertility area. The invention optimizes formulation of compound fertilizer components to maximize compound fertilizer efficiency; and the compound fertilizer is especially suitable for the soil in mountainous area of southern Anhui, and has great application prospect.

The invention relates to a selection method for a two-line sterile line of anti-disease and stable-fertility light-leaf rice. The selection method comprises the following steps: (1) decoction asexualhybridization; (2) preliminary screening for obtaining a single light-leaf rice plant; (3) screening of a variety. The selection method overcomes the shortcomings of low fertility stability and low rice blast resistance of an existing two-line sterile line; through preferable rice blast resistance screening, fertility screening and rice quality screening in sequence, a selected rice variety has the advantages of easy removal of debris, rice blast resistance, stable fertility and high rice quality.

The invention discloses premix capable of improving the reproductive performances of nursing sows, a preparation method of the premix and complete feed containing the premix. The premix is prepared from the following raw materials in parts by weight: 0.05 to 0.3 part of choline chloride, 0.05 to 0.5 part of betaine, 0.1 to 0.5 part of potassium butyrate, 0.05 to 2 part of high-temperature-resisting yeast and 0.5 to 3 parts of inulin; the complete feed contains 4 percent to 12 percent of the premix in weight percent. Aiming at the physiological characteristics of the nursing sows from a later pregnancy to a lactation period, the premix and the complete feed have the advantages of reasonable formula, comprehensive nutrients and high pertinence; the problems in the prior art that the nursing sows in a livestock farm have is low in reproductive performances including low feed intake, low fertility rate, high death and culling rate and the like are solved.

The use of a compound of formula I: an isomer thereof, a prodrug of said compound or isomer, or a pharmaceutically acceptable salt of said compound, isomer or prodrug, in the manufacture of a medicament for the palliative, prophylactic or curative treatment of negative energy balance in ruminants. The use of a compound of formula 1, in the manufacture of a medicament for the palliative, prophylactic or curative treatment of ruminant disease associated with negative energy balance in ruminants, wherein, preferably, the ruminant disease associated with negative energy balance in ruminants is selected from fatty liver syndrome, dystocia, immune dysfunction, impaired immune function, toxification, primary ketosis, secondary ketosis, downer cow syndrome, indigestion, inappetence, retained placenta, displaced abomasum, mastitis, (endo-)-metritis, infertility, low fertility, and lameness.

The invention discloses a mathematic model for evaluating the fertility of the Large White, and an establishment method thereof. The establishment method of the mathematic model comprises the following steps: carrying out data description on a prediction variable of a Large White data sample; carrying out system clustering, dividing the Large White of different fertility levels into a Large White group with the high fertility and the Large White group with the low fertility according to sample data relevant to the fertility of Large White sperm; and carrying out discriminant analysis and Logistic regression analysis after clustering is carried out to generate a specific mathematic function. The mathematic model established by the invention has a reliable coefficient and a reliable prediction accurate rate, can provide a function model suitable for Guangdong province boar farms to evaluate the fertility of the in-service Large White, can be taken as a basis of evaluating the fertility of the Large White and has an important meaning for reducing a gradient change interval of the fertility of the Large White and accurately predicting the fertility of the Large White.

The invention discloses a preparation containing plant extracts for soil remediation and drought resisting. The plant extracts contain biomass carbon and a biomass extract, and the weight ratio between biomass carbon and the biomass extract is 1:2-3; biomass raw materials are treated by a raw material layer, a pyrolysis layer, an oxidizing layer, a reducing layer and a cooling layer in a condition of a gasifying agent, and the biomass carbon and the biomass extract are obtained. The preparation is advantageous in that the problems of easy hardening of soil due to small apertures, bad soil structure, large retention evaporation capacity, soil acidifying, fertility decrease, low nutrients and low fertility keeping, and the like, effects of soil modification and drought resistance are realized, the effects are taken rapidly, the cost is low and the effects are lasting.

The use of a PPAR agonist in the manufacture of a medicament to increase ruminant serum glucose concentrations, and preferably, the use for the palliative, prophylactic or curative treatment of ruminant disease associated with reduced serum glucose concentration. The ruminant disease associated with reduced serum glucose concentration includes fatty liver syndrome, dystocia, immune dysfunction, impaired immune function, toxification, primary ketosis, secondary ketosis, downer cow syndrome, indigestion, inappetence, retained placenta, displaced abomasum, mastitis, (endo-)-metritis, infertility, low fertility, lameness, subacute rumen acidosis and inadequate nutrient intake associated with stress e.g. heat, poor housing, overcrowding, shipping, dominance or illness.

The invention provides a special fertilizer for vegetables.The special fertilizer comprises, by weight, 5-10 parts of magnesium sulfate, 10-15 parts of calcium superphosphate, 25-28 parts of potassium sulfate, 6-10 parts of ammonium phosphate, 45-55 parts of ammonium bicarbonate and 25-30 parts of effective total nutrients.The magnesium sulfate, the calcium superphosphate, the potassium sulfate, the ammonium phosphate, the ammonium bicarbonate and the effective total nutrients are proportionally uniformly mixed with one another to obtain the special fertilizer.The special fertilizer for the vegetables has the advantages that growth of the vegetables can be obviously promoted by the special fertilizer no matter whether the special fertilizer is applied to low-fertility fields or high-fertility fields, accordingly, other chemical fertilizers can be omitted when a certain quantity of the special fertilizer for the vegetables is applied under general soil productivity conditions, yellowing and death of seedlings can be prevented, and yellowing seedlings can quickly turn green and return to normal after the special fertilizer for the seedlings is applied to the seedlings.

The invention relates to the field of agricultural organic fertilizers, and discloses an organic water-fertilizer for promoting high yield of pearl guava. A preparation method of the organic water-fertilizer comprises the following steps: retting 5 to 10 percent of dried small shrimps, 15 to 20 percent of fishbone, 15 to 20 percent of diatomaceous earth, 20 to 40 percent of bran, 10 to 20 percent of rice stem, 1 to 3 percent of EM (Effective Microorganism) bacteria liquor and 5 to 10 percent of flaccid knotweed herb; stirring and mixing animal urine, the retted materials and water. The water-fertilizer is slightly applied to seedlings of the pearl guava, so that the problems of soil hardening, low fertility of applied organic fertilizers and existence of pathogenic bacteria due to inconvenience in fertilization and application of an inorganic fertilizer in the conventional planting and fertilizing process of the pearl guava are solved.

The invention discloses a poultry egg embryo activating device and method. The poultry egg embryo activating device and method solves the problems of low fertility rate and low hatchability of poultry eggs and has the advantages of reducing the death rate of poultry egg embryo cells, improving the fertility rate and the hatchability, ensuring no extension of poultry egg hatching time and improving the hatching uniformity. The poultry egg embryo activating device comprises a tank and a controller outside the tank, wherein the tank is provided with a hatching cart, an air inlet and an air outlet, a circulating fan is arranged inside the tank, a heating tube is arranged inside the tank and in front of the circulating fan, and a water cooling tube is arranged inside the tank and in front of the heating tube; a plurality of support racks are vertically arranged inside the tank, and every support rack is provided with a cold and hot water heat exchanger; the controller is provided with a control panel and separately connected with the circulating fan, an egg surface temperature sensor for detecting egg surface temperature, and a temperature probe arranged inside the tank.

The invention discloses low-fertility-transition-starting-point-temperature photo-thermo-sensitive sterile line breeding method, which comprises the steps that sterile line seed selection materials are sown in Lingshui of Hainan Province on December 10, and individual plants or single ears with early fertility transition are selected for reserving seeds; the seeds are sown in Jurong of Jiangsu Province on July 10, and entire individual plants with late fertility transition are selected for reserving seeds. By adopting the method, low-fertility-transition-starting-point-temperature photo-thermo-sensitive sterile lines can be simply and conveniently obtained, the bred two sterile lines have the advantages of outstanding comprehensive agronomic characters such as good combining ability, strong tillering ability and high percentage of ear-bearing tillers, the effect of saving labor and cost is effectively obtained and the goal of improving the breeding efficiency is achieved.