1518 results about "Grassland" patented technology

Provided herein are synergistic herbicidal compositions containing and methods utilizing (a) a compound of formula (I):

or an agriculturally acceptable salt or ester thereof and (b) an ACCase inhibitors, including. e.g., clethodim, clodinafop-propargyl, cyhalofop-R-butyl, diclofop-methyl, fenoxaprop-P-ethyl, fluazifop-P-butyl, haloxyfop-R-methyl, metamifop, pinoxaden, profoxydim, quizalofop-P-ethyl, sethoxydim and tralkoxydim, provide synergistic weed control of undesirable vegetation in rice, cereals, wheat, barley, oats, rye, sorghum, corn/maize, sugarcane, sunflower, oilseed rape, canola, sugar beet, soybean, cotton, pineapple, pastures, grasslands, rangelands, fallowland, turf, tree and vine orchards, aquatics, plantation crops, vegetables, industrial vegetation management (IVM) or rights of way (ROW).

The invention discloses a stationary satellite-based fire remote sensing and monitoring method which solves the problem of automatic extraction of fire points in a forest and grassland, monitoring of a fire spreading situation and estimation of fire loss based on a stationary satellite. The method comprises the following steps: acquiring stationary satellite data, and calculating brightness temperature of image elements; judging latent fire point image elements from non-cloud and non-flare image elements in land image elements by using a method of a brightness temperature threshold value, and performing statistical judgment on the fire point image elements according to wave band information of background window image elements; culling out all-year-round high-temperature fire points based on a fixed fire point library and land utilization type data, and extracting positions and brightness temperatures of forest fire and grassland fire; providing a fire spreading situation sequence according to forest fire and grassland fire remote sensing and monitoring results of observation frequencies of the stationary satellite; estimating the loss caused by the forest fire or the grassland fire. The method disclosed by the invention quickly monitors a dynamic change of a disaster target, so that the efficiency for prewarning and emergently handling major disasters in China is further improved.

The invention discloses a grassland satellite remote sensing monitoring system and a grassland satellite remote sensing monitoring method. The system comprises a grassland growth potential monitoring module, a grassland grass yield monitoring module and a grass-livestock balance monitoring module, wherein the grassland growth potential monitoring module is used for acquiring a grassland normalized difference vegetation index (NDVI) and a grassland growth index (GI) by processing data of a satellite remote sensing moderate resolution imaging spectrometer (MODIS) in different periods according to the relation between remote sensing information and the condition of grassland vegetation on the ground to reflect the growth potential of the grassland vegetation; the grassland grass yield monitoring module is used for establishing a grass yield estimating model by combining yield measuring data of ground quadrats according to the information of the satellite remote sensing MODIS and inverting the grass yield of grasslands according to the data of the remote sensing MODIS; and the grass-livestock balance monitoring module is used for estimating the grass-livestock balance condition by combining the current grass yield, foraged grass yield and replenished forage grass of natural grasslands according to the grass yield acquired by the grassland grass yield monitoring module.

The invention discloses a buffer type soil gas sampling device, belonging to the technical field of soil experimental facilities. The device consists of an injector, a valve, a gas-exhausting hole, a gas-exhausting conduit, a box body, gasbags, a water seal tank and a base. As the gasbags are additionally arranged on the box body, gas pressure inside/outside the box body during a whole storing and sampling process is always maintained in a balance state after the buffer adjustment of the gasbags, the box body is prevented from outward or inward gas leakage, and the quality of gas stored in the box body is maintained; meanwhile, the difficulty that natural release of soil gas is subjected to inhibition is also overcome, the reliability of measured data for gas released by soil is enhanced.The device has the advantages of reasonable design, simplicity for operating and low cost, and can be widely applied to gathering work for greenhouse gas emission in farmland, nudation, grassland andthe like.

The invention belongs to the technical field of livestock breeding and specifically relates to an ecological method of breeding chicken by planting grass under trees. The method includes that a fine forage grass breed which is shade-tolerant, trampling-resistant, strong in stress resistance and applicable to being planted in the forest is selected, and a forest land for grazing the chicken is modified to form a grassland under the trees for grazing the chicken; a contour grass and shrub zone in a stocking land is used for planting the grass, a chicken house is built in the middle of the grassland under the trees for grazing the chicken, zone division is performed for rotation grazing, and zones are separated by biological fences; and Chinese herbal plants are sowed in rotation grazing zones so that the grazed chicken can freely ingest the plants. A scientific evidence is provided for obvious economic benefits and ecological benefits which are achieved by means of rapid development of domestic fowls and effective ecological rehabilitation, wherein the domestic fowls of Hetian chicken and the like are applicable to stocking in forestland. By means of the model for breeding the chicken, high economic benefits are created, parts of the economic benefits are used for investing development of ecological chicken breeding model, and the created economic benefits and the development of ecological chicken breeding model are combined for creating better benefits, and accordingly, a virtuous cycle is achieved, ecological balance is kept, and the sustainable development is effectively achieved.

The invention discloses a grassland dry matter mass remote sensing estimating method, which belongs to the field of remote sensing application. The method comprises the following steps of: collecting and processing field test data; downloading and processing Modis (Moderate Resolution Imaging Spectroradiometer) satellite data; analyzing and modeling the data and detecting the accuracy and the like. The method for establishing a ground spectrum model for predicating ground dry matter mass and correcting a Modis spectrum model through ground hyperspectral experiments is different from the method for directly predicating biomass liveweight by using NDVI (Normalized Difference Vegetation Index) data of the Modis remote sensing satellite in other like researches so that the grassland dry matter mass remote sensing estimating method is helpful for improving the predicating accuracy, is beneficial for scientific management and reasonable utilization of the grassland resources and has important practical significance in correct evaluation of the real productivity of the grassland and the sustainable use of the grass resources.

The invention discloses an organic recycling agriculture production system with high efficiency, which uses food obtained from planted crops for feeding livestock, manure produced by which is fermented so as to produce biogas, biogas residue and biogas slurry, wherein, the biogas can be used as clean energy, while the biogas residue and biogas slurry are applied to cultivated lands or grass lands; the planted forage and crop stalks can be used for raising cattle or earthworm after grinded together with cattle manure; the earthworm can be extracted to produce plant growth enhancer, protein feed and biologic products; the earthworm manure can be used as highly effective organic fertilizer to be applied to farm lands or grasslands. The organic recycling agriculture production system of the invention abides by the theory of agriculture circular economy, utilizes nature resource fully and reasonably, promotes resource regeneration, forms virtuous circle of multi-grade utilization of material and energy, and thus is a modern agriculture technique with high quality, high yielding, high efficiency, low consumption and environment protection as well.

The invention relates to a quick regenerating method for vegetation of returning farmland to grassland zone in extremely cold areas, which comprises the following steps of: (1) mixing and seeding annual pasture oat and perennial pasture on the farmland returning to grassland zone, and building an artificial pasture integrating mowing and grass seed harvesting functions; (2) ploughing and raking the artificial pasture; (3) sowing the seeds and applying base fertilizer; and (4) mowing the oat forage grass in the first year and harvesting the grass seeds and mowing the perennial pasture in the second year or later after covering and compacting the grass seeds in the step (3). The method utilizes the annual oat and perennial pasture to form different biotypes of pasture mixing and seeding community, so that the weed spreading can be obviously suppressed, the soil humidity and air humidity are obviously improved, the evaporation capacity and water loss and soil erosion intensity are reduced, therefore, the soil exposure time is short after regeneration of the grassland zone, the vegetation covering is quick, the water retention and preservation of soil moisture effect is obvious, and the ecological and economic benefits are remarkable.

The invention discloses a multi-rotor unmanned aerial vehicle (UAV) for searching and rescuing at night, and belongs to the technical field of searching of unmanned aerial vehicles. The multi-rotor unmanned aerial vehicle is characterized in that six arms extend from a rack along an UAV body; a foot stand is arranged at the lower part of the UAV body; a searching and rescuing machine hanging rod is loaded at the bottom part of the UAV body; a flying lifting mechanism is arranged at the tail ends of the arms; propellers are movably connected with a motor through a quick-dismounting part; a searchlight mechanism comprises a wide-angle searchlights which is hung to the arms, and a projector searchlight which is hung to the tail end of a searchlight hanging rod; a loudspeaker, a shooting mechanism and a thermal imaging mechanism of a searching and rescuing mechanism are hung to the bottom part of the UAV body through the searching and rescuing mechanism hanging rod. According to the multi-rotor UAV, the searching and rescuing device can be quickly mounted on the multi-rotor UAV and provides visual light covering about 7,000 square meters to support people searching and rescuing at ground; meanwhile, large light beam is provided for a key area to assist searching at ground; the multi-rotor UAV is applicable to searching and rescuing, patrolling, handling of group affairs and anti-terrorism surveillance in mountain regions, forest, grassland, water and bog regions.

The invention relates to a system and method for carrying out automatic detection on small burning spots of forest or grassland fires by using the infrared (IRS) data of an environmental minisatellite HJ. The method comprises the following steps: radiometric correction, brightness temperature calculation, reflectivity calculation, cloud and water recognition, potential burning spot determination,absolute burning spot determination, background characteristic analysis, relative burning spot determination, burning spot confidence, and detecting burning spot output. According to the scheme provided by the invention, based on the characteristics of the environmental minisatellite HJ, the automatic detection on forest or grassland fires can be realized only by using the infrared (IRS) data, thereby enhancing the disaster prevention and reduction capacities of domestically-produced satellites in China, and promoting the industrialized application process of domestically-produced satellites.

The invention discloses a method for improving hardened deteriorated grassland and a special elastic claw type loosener, belonging to the technical field of grassland ecological management and restoration. The technical proposal comprises the steps of: carrying out root-cutting on the grasslands to be improved, and simultaneously loosening the soil layer below the surface of earth along one side or double sides of a cutting seam to form a loosened zone under the surface of earth and form a false-true coexisted soil environment. The special elastic claw type loosener comprises a frame, a power transmission system arranged on the frame, a transmission shaft connected with the power transmission system and a ground-breaking root-cutting knife arranged on the transmission shaft; moreover, a shovel post is arranged below the ground-breaking root-cutting knife and the lower part of the shovel post is provided with a break shovel. The method for improving hardened deteriorated grassland and the special elastic claw type loosener proposes detailed practical proposals on the aspects of the loosening method, technique, implementing steps and mechanical operation and the like of the deteriorated grassland, not only can be suitable for the ecological management and restoration of the natural deteriorated grasslands, but also can be beneficial for prolonging the service life of an artificial grassland; therefore, the improving hardened deteriorated grassland and the special elastic claw type loosener have broad application prospects.

The invention relates to a soil reclamation plant growth culture matrix and a preparation method thereof. The matrix comprises the following components: 50 to 70 weight percent of UF foamed plastics, 30 to 50 weight percent of straw powder, 1 to 2 weight percent of decomposed organism organic fertilizer, 1 to 2 weight percent of 40 percent ammonium bicarbonate solution, 0.5 to 0.7 weight percent of diammonium phosphate, and 0.2 to 0.5 weight percent of potassium chloride. The matrix has water retention property, nutrient preserving property, thermal insulation and ventilated permeability so as to prevent the water and nutrient from losing, thereby creating a good hot bed suitable for the growth of seeds and plants; besides, the matrix can carry out effective ecological compensation to plants during dry periods, and simultaneously lead the root systems of plants to grow fast and take root so as to absorb the water under surface layer and create beneficial conditions for the future growth of plants. Taking poplars as an example, the survival rates of growing in desert, grassland and improved kaline soil are respectively 86.7 percent, 93.3 percent and 96.7 percent.

The invention discloses a scaled chicken raising method which comprises, range breeding by selecting grassland or artificial pasture ground with fine ventilation and high height, feeding with concentration material containing no antibiotics, hormones and animal protein as well as energy feeding-stuff, wherein the chickens only eat non-polluted grass, seeds, edible mushroom and insects, thus the feeding-stuff can be conserved and the raising cost can be reduced.

The invention relates to a method for mixedly sowing annual ryegrass and perennial grass, which is suitable for establishing artificial grassland in south, in particular to a method for establishing artificial grassland by introducing annual ryegrass onto perennial artificial grassland. The annual ryegrass and the perennial grass are mixedly sowed by a certain proportion. By utilizing the advantages of rapidly growing of the annual ryegrass, the cutting is performed at the right time, the grass yield in season is improved, and the height can be controlled by cutting. Therefore, the growth of the perennial grass can be ensured, the growth of the weeds is inhibited because of insufficient light, and then the weeds gradually disappear from the grass. The invention solves the problems of low grass yield of the artificial grassland established in the current year in south and heavy weeds, thereby being of great significance for popularizing artificial grassland growth in south and promoting the development of grassland agriculture in south.

The invention relates to an automatic northern grassland desertification monitoring device. The automatic northern grassland desertification monitoring device comprises a support and a data acquiring and sending terminal. The bottom end of the support is fixedly installed under the earth's surface, a solar cell panel, a lead storage battery, a horizontal support rod and the data acquiring and sending terminal are installed on the support, and the data acquiring and sending terminal and the storage battery are placed in an airtight waterproof box. An overground air temperature and humidity sensor, an overground CO2 sensor and an air velocity sensor are installed on the horizontal support rod. A total radiation amount sensor, an earth's surface air temperature and humidity sensor, an earth's surface CO2 sensor, an evaporation amount sensor and a rainfall capacity sensor tightly adhere to the earth's surface. A soil moisture temperature sensor is buried under the ground, the sensors and the data acquiring and sending terminal are powered by the lead storage battery, and signal lines of the sensors are connected with the data acquiring and sending terminal through lead wires in the support. The automatic northern grassland desertification monitoring device has the advantages of being simple in structure, convenient to operate and capable of adapting to a working environment of a northern grassland and achieving real-time and long-term measurement work.

The invention discloses technology for establishing alfalfa grasslands at cold regions. The technology comprises the following steps of: seeding preparation, namely selecting stub land of which the preceding stubs are closely planted crops, ploughing and harrowing soil, manuring barnyard manure, and weeding; alfalfa seeding, namely seeding in early May, backfilling shallow soil, and raking the soil smooth before being frozen, wherein the seeding row spacing is 30 to 40 centimeters; the seeding ditch depth is 10 to 15 centimeters; the seeding quantity is 37.5 to 45kg per hectometer; and the seeding depth is about 2 centimeters; establishing management, namely weeding when the height of alfalfa plants is about 10 centimeters and then watering and manuring the barnyard manure or a phosphatic fertilizer; grassland mowing, namely mowing in early October in the first year, and moving the first stubs in middle July and the second stubs in late September in next year; and winter irrigation, namely performing winter irrigation before the soil is frozen. By selecting cold-resistant alfalfa varieties and suitable cold-resistant planting technology, the alfalfa can smoothly live through a first winter and spring, the aim of establishing the alfalfa grasslands at the cold regions is fulfilled, and the problems of leguminous forage deficiency and nutritional imbalance of domestic animals at the cold regions are solved.

The invention discloses a hydraulic saw type forage grass root cutter for root cutting and rejuvenation of forage grass, which comprises suspensions, a frame, hydraulic control devices, hydraulic cylinders, rotary shafts, four-bar reciprocating mechanisms and blades. After the hydraulic saw type forage grass root cutter is used to saw soil and grass roots, small slits with local looseness are formed on grassland. Extrusion friction and transverse displacement of the blades penetrating into the soil are fully overcome, no-turf-destruction tillage is realized, interference on the grass roots is low, operational energy consumption is effectively lowered for implements, efficiency is improved, and power consumption is lowered for tractors. The hydraulic saw type forage grass root cutter is applicable to mechanical soil loosening and root cutting for pastures and lawns.

The invention relates to a portable unmanned aerial vehicle taking-off and landing platform with four adjustable legs and a foldable taking-off and landing plane and belongs to the technical field ofpower transmission line operation and maintenance devices. The portable unmanned aerial vehicle taking-off and landing platform is particularly suitable for power transmission line unmanned aerial vehicle line inspection and comprises the foldable taking-off and landing plane, a foldable and height-adjustable supporting mechanism is mounted below the taking-off and landing plane, and the taking-off and landing plane is further provided with an unmanned aerial vehicle mounting mechanism for mounting an unmanned aerial vehicle, an unmanned aerial vehicle fixing mechanism for fixing the unmannedaerial vehicle, and a level adjustment mechanism for level adjustment. The portable unmanned aerial vehicle taking-off and landing platform is simple in structure, convenient to carry and low in costand is provided with the four adjustable legs and the foldable taking-off and landing plane and suitable for the ground conditions of weed infestation ground, uneven ground and the like such as mountainous areas, farmlands, grasslands and the like.

The invention discloses a route planning algorithm of an intelligent lawn mower. The route planning algorithm includes the steps: firstly, dividing a working grassland into a plurality of polygonal working areas according to topographic conditions in a working area set by the intelligent lawn mower, secondly, acquiring accurate positional coordinate information of working area boundaries through a vehicular GPS (global positioning system) device in a field surveying and mapping manner to obtain boundary vertexes and boundary linear equations of the polygonal areas, setting inner angles of the polygonal working areas which are smaller than or equal to 180 degrees, and dividing one polygonal working area into two polygonal working areas if the inner angle of the polygonal working area is larger than 180 degrees; calculating a reciprocating traversal linear route in each working area according to effective coverage width. According to the route planning algorithm, the accurate positional coordinate information of the working area is acquired by the aid of a GPS, so that a working area map is made, the working area is divided into a plurality of polygonal areas, time dividing and stage dividing working is facilitated, different working modes are selected, a linear section is planed, so that complexity of the route planning algorithm can be reduced, and later autonomous navigation control is conveniently achieved.