31 results about "Soil indicators" patented technology

The present application discloses a model for evaluating different degradation degrees of meadow grassland, its establishment method and application. This application aims at natural grasslands with different degrees of degradation caused by different degrees of utilization of meadows and grasslands. Through field control experiments, the field ecological survey method is used to study the response mechanism of meadows and grasslands degradation to human activities (control grazing), and principal component analysis is used. , canonical correlation and fuzzy mathematics to establish a matrix, establish a diagnostic method for the indicator degree of the degradation assessment system of different utilization levels, screen the grassland vegetation and soil index systems of different utilization modes and different degradation degrees, obtain the indicator degrees of different degradation degrees, and establish a scientific and operable comparison Strong meadow grassland degradation quantitative evaluation index system indicator diagnostic method. This application has practical significance for the establishment of the evaluation index system of meadow grassland degradation, the objective judgment of the degradation status of meadow grassland, and the promotion of grassland animal husbandry production and environmental protection.

The invention discloses a sample blank manufacturing device and method for an anchor or pile and soil interface friction performance test. The device comprises a sample barrel, a cushion barrel, a sample barrel fixing component, a compaction hammer, a core pipe component and a limiting device. According to the sample blank manufacturing device and method for the anchor or pile and soil interface friction performance test, any required soil indicator can be designed according to the test, or a sample blank can be manufactured according to actual soil indicators of a field soil body, so that batched indoor anchor-soil or pile-soil interface friction performance tests are realized. Meanwhile, because a relatively short cementing section is adopted in a sample, the actual friction performance of an anchor-soil or pile-soil interface can be relatively really reflected.

The invention discloses a soil sample linearly collecting method and a soil sampling device. The method includes preparing the soil sampling device; determining a soil sampling route; arranging a plurality of soil sampling positions; determining a sampling route on the soil surface at each of the soil sampling positions, and then collecting downward a soil sample of a section according to the sampling route to obtain a soil sample of each of the soil sampling positions; and mixing uniformly the soil samples of the soil sampling positions to obtain a soil sample of the whole farmland. The soil sampling device used for linearly collecting the soil samples comprises a soil sampling shell and a soil sampling head, wherein the soil sampling shell comprises a soil outlet disposed at a side of the soil sampling shell and moving wheels disposed at the bottom of the soil sampling shell, and the soil sampling head is disposed in the soil sampling shell. Because of difference of soil characteristics between crop rows and difference of soil characteristics at different distances in the crop rows, soil sampling methods at present have a disadvantage of bad soil sample representativeness. The method and the soil sampling device provided by the invention effectively solve the problem of the bad soil sample representativeness, and provide soil samples with high representativeness for detection of various soil indicators.

The invention discloses a formula fertilization method for bamboo shoot forests, which belongs to the field of formula fertilization, and is a method of fertilizing formula bamboo shoot forests based on soil testing under the influence of multiple factors of terrain, climate and soil; the fertilization method is to measure different terrain indicators, climate Indicators and soil indicators and the corresponding bamboo shoot yield; use principal component analysis, Delphi method and Pearson correlation analysis to screen out topographic indicators, climate indicators and / or soil indicators that are correlated with bamboo shoot yield to form the minimum data set; according to the According to the above minimum data set, a nutrient benefit model is established to calculate different nutrient distribution ratios; nutrient use efficiency is analyzed by data envelopment; according to the different nutrient distribution ratios and nutrient use efficiency, determine the fertilization of bamboo shoot forest under different terrain, climate and soil conditions quantity. The formula fertilization method for bamboo shoot forest proposed by the invention is applicable to different topography, climate and soil conditions, thereby rationalizing fertilizer input and improving fertilizer utilization rate and bamboo shoot output.

The invention discloses a formula fertilization method for juvenile camellia oleifera forest, which belongs to the field of formula fertilization, and is a method of fertilizing formula camellia oleifera forest based on soil testing under the influence of multi-factors of terrain, climate and soil; the fertilization method is to measure different topographic indexes and climate indexes and soil indicators and the corresponding growth of young camellia oleifera forests; use principal component analysis, Delphi method and Pearson correlation analysis to screen out the topographic indicators, climate indicators and / or soil indicators that are correlated with the growth of young camellia oleifera forests Minimum data set; according to the minimum data set, establish a nutrient benefit model and calculate different nutrient distribution ratios; analyze nutrient use efficiency through data envelopment; determine different terrains, climates and soils according to the different nutrient distribution ratios and nutrient use efficiency The amount of fertilizer applied to Camellia oleifera forest under the same conditions. The formula fertilization method for juvenile Camellia oleifera forest proposed by the invention is applicable to different terrains, climates and soil conditions, thereby rationalizing fertilizer input, improving fertilizer utilization rate and growth of juvenile Camellia oleifera forest.

The invention discloses a formula fertilization method for an adult camellia oleifera forest, which belongs to the field of formula fertilization, and is a method for fertilizing formula camellia oleifera forest by soil testing under the influence of multi-factors of terrain, climate and soil; the fertilization method is to measure different topographic indexes and climate indexes and soil indicators as well as the corresponding Camellia oleifera yield; use principal component analysis, Delphi method and Pearson correlation analysis to screen out topographic indicators, climate indicators and / or soil indicators that are correlated with Camellia oleifera yield to form the minimum data set; according to the According to the above minimum data set, a nutrient benefit model is established to calculate different nutrient distribution ratios; nutrient use efficiency is analyzed by data envelopment; according to the different nutrient distribution ratios and nutrient use efficiency, the amount of fertilizer applied to Camellia oleifera forests under different terrain, climate and soil conditions is determined . The formula fertilization method for the adult camellia oleifera forest proposed by the invention is applicable to different terrains, climates and soil conditions, thereby rationalizing the input of fertilizers and improving the utilization rate of the fertilizer and the output of the adult camellia oleifera forest.

The invention discloses a penetration soil layer original position elastic wave testing device which comprises a connecting link, an elastic wave damping block, two radiating bodies, two shells, two pThe invention discloses a penetration soil layer original position elastic wave testing device which comprises a connecting link, an elastic wave damping block, two radiating bodies, two shells, two ppth can be obtained. In addition, the device can simultaneously test the wave speed of transverse waves and longitudinal waves, and be combined with static sounding so as to be convenient for the parepth can be obtained. In addition, the device can simultaneously test the wave speed of transverse waves and longitudinal waves, and be combined with static sounding so as to be convenient for the parallel testing and the intercomparison of various soil indicators.allel testing and the intercomparison of various soil indicators.iezoelectric ceramic annular vibration generators, a tapered penetrating head, a probe connecting part and two signal wires. The penetration soil layer original position elastic wave testing device caiezoelectric ceramic annular vibration generators, a tapered penetrating head, a probe connecting part and two signal wires. The penetration soil layer original position elastic wave testing device can leave out the drilling step of the prior art so as to greatly reduce the testing cost. Meanwhile, the two piezoelectric ceramic annular vibration generators which are separated by a short distance an leave out the drilling step of the prior art so as to greatly reduce the testing cost. Meanwhile, the two piezoelectric ceramic annular vibration generators which are separated by a short distance are arranged in the device. A testing frequency which is at least two orders of magnitude higher than the original position shock excitation is adopted so as to greatly enhance the testing accuracy andre arranged in the device. A testing frequency which is at least two orders of magnitude higher than the original position shock excitation is adopted so as to greatly enhance the testing accuracy andthe testing speed of the soil layer elastic wave speed in the course of foundation perambulation, thereby the regular pattern of change of the continuous soil layer elastic wave speed following the d the testing speed of the soil layer elastic wave speed in the course of foundation perambulation, thereby the regular pattern of change of the continuous soil layer elastic wave speed following the de

The invention discloses a Luoyang shovel, comprising a shovel handle (1), a shovel head (2), a soil sensor (3), a shovel handle edge (4), a shovel handle bracket (5), a balance detector (6), Soil layer indicator light (7), support bottom shaft (8), edge telescoping device (9). The shovel handle (1) is combined with the shovel head (2), the soil sensor (3) is located on the shovel head, and is connected to the soil layer change indicator light (7), and the shovel handle edge (4) is located on both sides of the shovel handle (1). It fits with the shovel handle (1), the shovel handle bracket (5) is connected to the shovel handle edge (4) and can be stowed, the shovel handle edge (4) can be stowed, and the soil sensor (3) includes humidity, hardness and The metal sensor, the shovel head (2) goes down, the soil sensor (3) will reflect the abnormality to the soil indicator light (7) on the upper part of the shovel handle (1), and the balance detector (6) is located on the shovel handle ( 1) In the upper part, the invention reduces the rotational resistance of the Luoyang shovel, making it easy to check the balance and perceive the change of the formation.

The invention discloses a method and a device for determining soil management plants. The method includes: acquiring environmental indicators of a target area, wherein the environmental indicators at least include climate indicators and soil indicators of the target area; inputting the environmental indicators of the target area into a plant prediction model; acquiring the governance plants corresponding to the target area output by the plant prediction model , the treatment plants meet the climate indicators of the target area, and can absorb the excessive heavy metals recorded in the soil indicators. By adopting the method provided by the present invention, the conditions of soil restoration by different plants under different environmental factors are predicted by integrating multiple indicators such as climate and soil in the target area, and soil restoration plants are determined according to the prediction results.