235 results about "Soil characteristics" patented technology

An insurance product comprises a crop risk insurance policy component that insures against risk of loss for at least drought. An endorsement assembly is associated with the crop risk insurance policy component. The endorsement assembly comprises a grower compliance requirement, a right of payment, and ancillary terms and conditions. The grower compliance requirement requires a grower to comply with a qualified crop input plan for a particular crop in a field. The right of payment is contingent upon a first yield per unit land area of the particular in the field less than second yield per unit land area of a geographic area by more than a threshold amount. The geographic area covers a greater area than the field and is representative of at least one of the soil characteristics and the climate associated with the field. The right of payment is contingent upon compliance of the grower with the ancillary terms and conditions.

The invention relates to an adjustable multi-hob rock cutting fragmentation test device for the field of tunnel project. Being characterized in that the soil warehouse is provided on a guiding track achieving the vertical movement by the vertically-moving hydraulic cylinder; the soil warehouse is provided on the soil warehouse supporting base for achieving the transverse movement by the transverse hydraulic cylinder fixed on the soil warehouse base; the soil warehouse has the rock soil samples; two sides of the soil warehouse are provided with four pillars leaning against the beams and forming a rectangular frame structure. The lower position of the fixed beams of the vertical movement of two synchronized hydraulic cylinders for the realization of the vertical plate hob feed, vertical hydraulic cylinder mounting bracket for the following connection hob, for the realization of more than the fixed plate hob; mounting bracket Three-axis with the following sensors, hob plate connected to the force sensor in the bottom three of the hob seat, using industrial computer, data acquisition cards, the pressure of traffic and other sensors, such as high-speed digital camera system to test the disk-shaped roll knife load rock, broken rock and soil characteristics.

To provide a soil characteristics survey device capable of efficiently acquiring high precision data information about the distribution of soil characteristics in an agricultural field, and managing the data information collectively.

The soil characteristics survey device is composed of a pedestal connected to the rear of the tractor, a control unit (a computer) mounted on the pedestal, and a soil excavating unit attached below the rear end of the pedestal. While being towed by a vehicle 2 such as a tractor, the device surveys in real time the distribution of soil characteristics in a given agricultural field. At the top of the control unit is attached a GPS antenna. The soil excavating unit 50 is composed of a shank 51 connected to the bottom of the pedestal and a sensing unit which is fixed so the bottom of the shank 51 and advance in the soil approximately parallel to the ground at a predetermined depth. The control unit 30 generates data information groups corresponding to the same soil samples, concerning soil characteristics to be detected or the detection signals of differently arranged sensors 57, 53, 61, 62, 63, 64, and the like.

The invention discloses a method for producing organic composite fertilizer by using miasmal residues, belonging to a comprehensive utilization field of agricultural waste. The invention aims at promoting utilization rate of miasmal liquid and the miasmal residues. The method comprises the following steps: a breeding plant establishes a methane project to produce the miasmal residues and the miasmal liquid; the miasmal residues and the miasmal liquid are separated by a solid-liquid separator; crop straws are ground and sieved and the miasmal residues are added to stir and mix; when the mixture is mixed, nutrient absorption substances are added to fix the nutrients easy to run off in the miasmal residues; the contents of N, P and K in the uniform mixture of the miasmal residues and the crop straws are sampled and tested; Nnitrogen fertilizer, phosphate fertilizer and potassium fertilizer are added to enable each of the N, P and K to reach the content of 15 or other ratio according to the contents of N, P and K in the uniform mixture of the miasmal residues and the crop straws; the uniform mixture of the miasmal residues and the crop straws are put into a spiral stir pelletizer to palletize; the palletized grains are parched, sealed and sold. The invention is characterized in that the method can promote utilization rate of the miasmal residues, modify soil characteristics and cultivate effect of fertilizer soil, thus increasing output and revenue.

In an embodiment, a data processing method comprises receiving permanent properties data for a plurality of agricultural sub-fields of an agricultural field; determining whether at least one data item is missing for any sub-field of the plurality of agricultural sub-fields in the permanent properties data, and if so, generating additional properties data for the plurality of agricultural sub-fields; generating preprocessed permanent properties data by merging the permanent properties data with the additional properties data; generating filtered permanent properties data by removing, from the preprocessed permanent properties data, a set of preprocessed permanent properties records corresponding to a subset of the plurality of agricultural sub-fields in which two or more crops were grown in the same year; applying a regression operator to the filtered permanent properties data to determine a plurality of intra-field variations values that represent intra-field variations in predicted yield of crop harvested from the plurality of agricultural sub-fields.

The present invention includes an apparatus, method and centrifuge permeameter system that includes a hydraulic permeameter adapted for use in a centrifuge; and an automated data acquisition system, wherein the centrifuge permeameter non-destructively determines one or more soil characteristics from a sample of granular material such as soil, rock, and concrete when centrifuged.

A portable soil testing apparatus and method including a device to mix a soil sample in a cup with water to create a slurry, immersing a sensor in the slurry to detect a soil property and recording the soil property along with location information. The soil testing apparatus includes a frame, a computer secured within the frame, the computer operatively connected to a touch screen display and a pump. The pump providing water from a tank and into a cup containing a soil sample. A stirring station including a stirring rod and a motor is controlled by the computer and mixes the soil sample and water to create a slurry. A sensor is then immersed in the slurry to detect a desired soil property. The soil property data is then recorded by the computer on a storage medium, transmitted to a user or displayed.

The invention relates to a buffering harmless plant ash compound fertilizer and a preparation method thereof. The buffering harmless plant ash compound fertilizer is a solid or liquid fertilizer taking plant ash as a main raw material and further comprises the following preparation raw materials by weight: 10-40 parts of humic acid, peat, biochemical fulvic acid or potassium fulvic, 0-20 parts of non-metal nano mineral material, 0-20 parts of chitin or chitosan and 0-10 parts of seaweed extractive, wherein the amount of plant ash is 0.7-2 times the total amount of the raw materials. According to different soil characteristics, plant ash is taken as the main material and is mixed with humic acid, non-metal nano mineral material, chitin, seaweed extractive, amino acid and other substances to prepare the solid or liquid fertilizer, which is used as a base fertilizer or additional fertilizer, has the performance of passivating heavy metals in soil, can reduce the enrichment amount of heavy metals (such as mercury, chromium, lead, arsenic and nickel) in soil, ensures the safety of agricultural products and has the effects of improving soil and promoting growth of plants.

The invention discloses vibroflotation grouting equipment for reinforcing a seabed soil foundation and a treatment method, and relates to the technical field of seabed soil foundation reinforcing. Inconsideration of the soil characteristics of being high in porosity, soft and prone to collapsing in a high-water-pressure seabed environment, an existing vibroflotation technology only comprises thesteps that loose soil is replaced with filling materials, and then vibroflotation pile forming is conducted on the filling materials, and the effect of reinforcing the loose soil can not be achieved.According to the vibroflotation grouting equipment for reinforcing the seabed soil foundation and the treatment method, a vibroflotation compaction method and a grouting technology are creatively combined to form a vibroflotation grouting technology, the closed environment in holes is made through the vibroflotation grouting equipment and cement paste, a vibroflotation head is pulled up to enablethe negative pressure in the holes to be generated, the loose soil on the seabed collapses, the cement paste and the collapsing soil are fully mixed to form a composite foundation under the action ofvibroflotation, therefore, the loose soil around the pile foundation is reinforced, and the overall strength of the seabed foundation is greatly improved.

The invention relates to an Internet-based method for preventing and controlling wheat diseases and insect pests, belonging to the field of preventing and controlling wheat diseases and insect pests. In the present invention, by detecting the soil characteristics and environmental characteristics of the whole plot, the plot is divided into a plurality of regular grid units; a camera is set in each grid to monitor the state of wheat in real time, and transmit it to the computer unit, which analyzes Compare the received image data to judge whether there is a disease or insect pest in wheat; when the state of wheat leaves or ears is abnormal, judge what kind of disease and insect pest has occurred, and determine the data information on the type and amount of pesticide that should be applied according to the status of different wheat disease and insect pests. The type of liquid medicine and the amount of liquid medicine. The Internet-based wheat disease and insect pest control method proposed by the present invention overcomes the shortcomings of the monitoring and monitoring camera deployment method in the prior art, promotes the practical application of network technology in agriculture, and realizes timely early warning of crop diseases and insect pests and prescribing the right medicine.

The invention discloses a special compound fertilizer for eucalyptus. The special compound fertilizer is prepared from the following raw materials in percentage by weight: 10-60% of macroelement fertilizer, 1-5% of secondary element fertilizer, 0.1-2% of microelement fertilizer and the balance of molasses fermentation liquid, wherein the concentration of the molasses fermentation liquid is 30-80%. The special compound fertilizer disclosed by the invention contains the microelements including calcium, magnesium, copper, manganese, zinc, boron and molybdenum necessary to the growth of eucalyptus, the technical problem of multi-element deficiency or bad disease resistance of eucalyptus in the prior art is solved, and the improvement of the quality and output of eucalyptus is facilitated; by adding the molasses fermentation liquid, the soil is improved and nutrition is supplemented by the rich organic matters, amino acids, humic acid and secondary elements in the molasses fermentation liquid so as to supply the microelements and organic matters necessary to the growth of eucalyptus and conform to the soil characteristics and fertilizer requirement law of the eucalyptus; and according to the invention, various nutrient elements are released at the same time, and the fertilizing types and times are reduced, thus the special compound fertilizer is labor-saving, time-saving, efficient and environment-friendly.

The invention relates to a method for rapidly detecting area unsaturated soil shearing strength, which solves the technical problems that matric suction is difficult to measure in real engineering and the unsaturated soil shearing strength formula is not suitable for popularizing in engineering practice. The method has the key point that the soil water characteristic curve is obtained by practically measuring the water content of a soil sample in the area or the parameter of the area, which is relevant to the matric suction is confirmed by searching the drawn water soil characteristic curve of all areas by field measurement through curve fitting; the unsaturated soil shearing strength formula without matric suction phase is further provided by tests; and the inconvenience brought by measuring the matric suction in the field is prevented. The method can rapidly and simply confirm the shearing strength of soil just by providing the conventional characteristic and saturation of the current soil body when in use.

The invention discloses a measuring device of soil conductivity, mainly comprising a sensor unit and a data acquisition and processing unit; the sensor unit mainly comprises electrodes which are configured in a linear equal interval manner; the data acquisition and processing unit mainly comprises a voltage conversion circuit, a signal conditioning circuit, an analog-to-digital converter, a data controller and a liquid crystal display circuit, and also comprises a alternating-current source signal generating circuit, an alternating-current constant current source output circuit and an alternating-current constant current source regulating circuit. According to the measuring device of soil conductivity, the invention also discloses a measuring method of soil conductivity. The invention can regulate the size of exciting current input into the soil at any time according to soil characteristics of the measured farmland so as to guarantee that the sensor works at the linear area under any soil condition, has high measuring accuracy and also has the function of data display and storage.

A soil detection and planting apparatus. The apparatus includes a vehicle and a controller coupled to the vehicle. The apparatus further includes a planting device coupled to the vehicle, the planting device configured to plant seeds or plants into a soil material. The apparatus includes a ground penetrating radar sensor coupled to the vehicle. The ground penetrating radar soil sensor is configured to scan the soil material up to a designated depth beneath a surface of the soil material, wherein the ground penetrating radar soil sensor is further configured to provide a sensor feedback signal to the controller with respect to an intrinsic characteristic of the soil material. The controller is configured to instruct placement of a seed or a plant into the soil material based on the feedback signal.

The invention discloses an improver for soil of a cold waterlogged paddy field and application thereof, and belongs to the technical field of soil improvers. The improver consists of the following components in percentage by weight: 30 to 40 percent of alkali fly ash, 50 to 60 percent of charcoal, and 2 to 10 percent of polyacrylamide. The improver is mainly applied to the soil of the cold waterlogged paddy field, and is suitable for improvement of gleying paddy soil or infertile paddy soil. The embodiment of the invention provides a soil improver for the soil of the cold waterlogged paddy field by aiming at the soil characteristic of the cold waterlogged paddy field, and the improver is pollution-free for the environment and low in cost. Through crop planting experiments, the improver can be used for effectively improving the temperature of the soil of the cold waterlogged paddy field, the quantity of big aggregates of the soil and the content of effective nutrients of the soil, reducing the total amount of reductive substances of the soil by more than 35 percent and increasing the yield of crops by more than 10 percent, and is very obvious in soil improvement effect.

The invention discloses a leaching agent and a leaching method for repairing heavy metal contaminated soil. The leaching agent comprises oxalic acid solutions and rhamnolipid solutions. The leaching method includes the steps: preparing the leaching agent for repairing heavy metal contaminated soil; adding the oxalic acid solutions into the heavy metal contaminated soil to uniformly mix, and filtering leaching liquid after the oxalic acid solutions and the heavy metal contaminated soil are reacted; adding the rhamnolipid solutions into the soil treated by the oxalic acid solutions to uniformly mix, filtering leaching liquid after the rhamnolipid solutions and the soil treated by the oxalic acid solutions are reacted, and repairing the heavy metal contaminated soil. The leaching agent and the leaching method are low in cost, safe, efficient and high in applicability, soil characteristics can not be intensively broken, the step-by-step leached soil can be directly backfilled, and the risk of secondary pollution is avoided.

The invention provides a discontinuous unsaturation soil rainfall infiltration physical simulation system and a measuring method. The discontinuous unsaturation soil rainfall infiltration physical simulation system comprises a testing soil groove, a bleed-and-feed system and a measuring system, the measuring system comprises a soil water potential measuring unit, a soil moisture measuring unit, awater head measuring unit, a soil temperature measuring unit, a soil moisture diffusion measuring unit, a data acquisition instrument and a data storage computer. According to the discontinuous unsaturation soil rainfall infiltration physical simulation system and the measuring method, a researcher can be helped to better understand related conception of unsaturated zone unsaturation seepage experiment and unsaturated zone rainfall infiltration preferential flow under the condition of understanding a discontinuous medium, permeability coefficients, soil matrix potential, soil moisture horizontal diffusion speed and the like of soil can be measured in practical application, the diffusion rate, an infiltration curve and a motion equation of unsaturation soil moisture are studied by using a measuring result, and stable data support is provided for studying the influence of soil characteristics at different collapse stages on unsaturated zone moisture displacement.

The invention discloses a visual grouting gravel cemented soil mixing combined pile model testing device and method. The device is characterized by comprising a transparent model tank, wherein a grouting gravel cemented soil mixing combined pile and transparent soil for simulating pile periphery soil are arranged in the transparent model tank; a drilling mechanism which is arranged on a bracket and comprises a drilling machine, a drill rod and a drill bit is arranged above the transparent model tank; a laser source is arranged on one side outside the transparent model tank; a digital camera capable of observing the space in the transparent model tank is arranged on the front and overhead view surface outsides the transparent model tank; the digital camera is connected with a processing device through a data line. The testing device is simple and convenient to operate and high in repeatability; the similarity between the prepared transparent soil and natural soil is high in soil properties; the testing method can visually observe and measure a pile-soil interaction mechanism of the grouting gravel cemented soil mixing combined pile under the conditions of different pile periphery soil characteristics, drill bit rotating radiuses, combined pile diameters and pile lengths and can be used for exploring and guiding the design and the construction of the cement soil mixing pile.

The invention relates to a dedicated controlled release fertilizer, and in particular to a whole-course one-time cotton dedicated controlled release fertilizer directly applied to the bottom of nutrition bowl seedlings, and a preparation method and an application thereof. The cotton dedicated controlled release fertilizer is prepared according to the law of demands of cotton on nitrogen, phosphorus, potassium and trace elements, soil characteristics, an ecological environment and the like. Only when the nutrition bowl seedlings are transplanted and planted, holes are punched in a planting field, the fertilizer is applied into the holes, then nutrition bowls are put on the top of the fertilizer, the fertilizer is applied at a time to the bottoms of the nutritional bowls, and thus all needs of the cotton during a growth period can be satisfied; fertilizing and transplanting are synchronously carried out without punching the holes again, thus two more times of fertilizing are decreased, and the total input costs of farmers are reduced. The fertilizer utilization ratio is improved, the fertilizer applying amount is reduced, and the fertilizer loss is reduced.

The invention discloses a multidirectional three-dimensional circulation in-situ remediation system which comprises a remediation well and a monitoring well, and the remediation well and the monitoring well are vertically installed on a to-be-remediated site at intervals, the monitoring well monitors soil characteristics, an underground water flow field and pollution plume change data informationof a to-be-remediated site. A control part adjusts underground water extraction and/or remediation agent injection of the remediation well to be conducted between different wells and on different wellscreen sections of all the wells according to the obtained data information so as to promote multi-direction three-dimensional circulation of underground water and agents, and efficient removal of pollution along with water flow or full contact reaction between the agents and the pollutants can be achieved. The multidirectional three-dimensional circulation in-situ remediation system is reasonable in structure, intelligently and flexibly sets underground water extraction and medicament injection, promotes multi-directional three-dimensional circulation of underground water and medicaments, realizes efficient removal of pollutants along with water flow or full and uniform contact reaction of the medicaments and the pollutants, improves the utilization rate of the injected medicaments, saves the repair cost and improves the repair effect.

The invention provides a plant growth state identification method based on a plant illumination image. The method comprises the following steps of through extracting the depth information of the collected long-time-period continuous change images of a plant and the illumination information of the plant, combining soil characteristics information, acquiring the plant coordinate of the plant and standardizing the plant coordinate data of the plant, and constructing the conditional random field model based on a plant organ cluster; using a training sample to train and acquiring the identificationmodel of plant organ change state training; and finally, according to the sample characteristic of a target plant to be identified, using the identification model to diagnose and detect a plant growth state change trend. In the invention, the identification degree of the image data and the environmental data of the plant, and environmental parameters of a soil type, a nutrient content and light intensity and chromaticity and the like are increased, and the growth state of each plant organ can be accurately determined.