44 results about "Sustainable management" patented technology

The invention discloses a management method for a eucalyptus tree man-made forest. The management method comprises the steps of: preparing a forest land: cutting up and retaining logging residues in the forest land, performing soil preparation, then digging plant holes, wherein during arrangement of the plant holes, every two narrow rows and one wide rows form a group, multiple same groups are arranged in sequence, and after the plant holes are dug, an organic fertilizer is applied to each plant hole; performing forestation: selecting clone eucalyptus trees and native tree species to perform forestation, planting the eucalyptus trees on the narrow rows, and planting the native tree species on the wide rows; performing tending after forestation; performing fertilization: and performing cutting and constructing a multiple layered forest. According to the management method disclosed by the invention, by virtue of the means of adjusting the structure of the tree species, improving fertilizing and tending manners and updating a cutting mode, the productivity and carbon stock of the eucalyptus tree man-made forest are significantly improved, the capabilities of emission reduction and sink increment of the eucalyptus tree man-made forest are increased, the economic benefit and ecological benefit of the eucalyptus tree man-made forest are improved, the forest land is fully utilized, water and soil losses and land capability decline are effectively prevented, and sustainable management of the eucalyptus tree man-made forest is realized.

The invention relates to a plantation density optimizing and analyzing method based on three-dimensional virtual plants. The plantation density optimizing and analyzing method based on the three-dimensional virtual plants is characterized by including the following steps of S10, obtaining morphological structure characteristic parameters of a target planted tree species; S11, placing a three-dimensional model of the target planted tree species on a three-dimensional digital terrain based on the three-dimensional digital terrain which simulates a planted land; S12, calculating the light transmittance and the daily average light transmittance of standing forest colony tree canopies with different plantation densities in different growth stages according to the ray tracing algorithm in the computer graphics; S13, analyzing whether the light transmittance of a standing forest in different growth stages is reasonable or not, outputting the plantation densities, the plantation point configuration method, the line spacing, the plant spacing and the row direction if the light transmittance is reasonable, and repeating the S11, the S12 and the S13 if the light transmittance is not reasonable till the light transmittance is reasonable. According to the plantation density optimizing and analyzing method based on the three-dimensional virtual plants, the quantitative analysis tool can be provided for the plantation design, the intuitive and vivid auxiliary tool can be provided for agriculture technology promotion, and sustainable management, yield promotion and income increasing of forest districts are promoted.

The invention relates to a method for artificial mingled forest afforesting design and intermediate cutting management through simulation of a natural forest. For the problem of artificial afforesting on non-forest land, an observation result of a local natural forest is simulated, and the technology of age-class intermediate cutting year by year is utilized, so that the problem of a single age class of artificial afforesting is solved, the land utilization is maximized in the afforesting process, an optical afforesting mode of an artificial forest is achieved, the purposes that the afforesting cycle is short and the annual harvest yield is high are achieved, and sustainable management is achieved.

The invention relates to ecological fertilizer special for bamboos. The fertilizer is produced by processing main raw materials such as urea, ammonium phosphate, potash fertilizer and clay mineral; the fertilizer comprises more than 25wt% of total nutrient of N, P and K, 30-40 wt% of SiO2, 2-5wt% of CaO, 1-3wt% of MgO, and 300-400g/t of boron, zinc, copper, molybdenum and manganese. The fertilizer is complete in nutrient, reasonable in proportioning, strong in target and remarkable in fertilizing effect; moreover, the auxiliary materials of the fertilizer have the characteristics of wide source, low cost, easy shaping and good slowly releasing, thus, the fertilizer can not only meet the normal requirements of bamboos, but also strengthen capabilities of bamboo shoots and bamboos to resist disasters and diseases; and if the fertilizer is applied to the bamboos for a long time, land capability recovery of the degenerated soil can be prompted, and the sustainable management of ecological systems of bamboo forests can be maintained.

The invention discloses a method for controlling invasion of flaveria bidentis with native species. The method comprises the following steps: taking chenopodium glaucum as a plant for controlling the invasion of the flaveria bidentis; and planting the chenopodium glaucum in an ecosystem which may be invaded easily by the flaveria bidentis so as to control the invasion of the flaveria bidentis. The chenopodium glaucum is a species which can contend against the flaveria bidentis in a dry season, grow in saline-alkali land preferred by the flaveria bidentis and enjoy apparent advantage in the struggle for survival. The chenopodium glaucum can completely play a role in the ecosystem which can be easily invaded or has been invaded by the flaveria bidentis through introduction, planting, rational configuration and scientific management, so that the seedling of the flaveria bidentis can be effectively prevented from growing quickly in the dry season and occupying the space by using the effect of time difference; and consequently, the method provides basic protection to prevent the invasion of alien invasive species flaveria bidentis as an alternative and to perform sustainable management.

The invention relates to a method for restoring vegetation of high and cold sand land in Northwestern Sichuan, in particular to a method for sustainable management of the high and cold sand land in Northwestern Sichuan with rhodiola rosea and belongs to the technical field of agriculture. The method comprises the following steps that a, sand-protecting barriers are constructed; b, seeds are selected, wherein seedlings or root and stem division propagation seedlings of rhodiola rosea are selected, and rhodiola rosea is rhodiola crenulata or rhodiola kirilowii; c, planting is conducted, wherein the seedlings are transplanted to the high and cold sand land in Northwestern Sichuan in a hole planting mode in autumn; d, management is conducted, wherein fertilizer is applied and pest control is conducted; e, seeds are collected after rhodiola rosea grows for five years. According to the method for sustainable management of the high and cold sand land in Northwestern Sichuan with rhodiola rosea, rhodiola rosea is successively planted in the high and cold sand land in Northwestern Sichuan, and the survival rate of rhodiola kirilowii can reach over 90%; due to the fact that rhodiola rosea has certain economic value, if rhodiola rosea is successively grown in Northwestern Sichuan, the ecologic value and the economic value are both achieved, and the sustainability of management of the high and cold sand land in Northwestern Sichuan is achieved.

The invention discloses a method for controlling invasion of flaveria bidentis through ecological substitution. The method comprises the following steps: taking sorghum sudanese or sorghum sudanese and cocksfoot as the plant for controlling the invasion of the flaveria bidentis; and planting the sorghum sudanese or planting the sorghum sudanese and the cocksfoot in a hybrid way in an ecosystem which may be invaded easily by the flaveria bidentis so as to control the invasion of the flaveria bidentis. The sorghum sudanese is a species which can contend against the flaveria bidentis in a dry season and enjoy apparent advantage in the struggle for survival with the seedling of the flaveria bidentis. The sorghum sudanese can completely play a role in the ecosystem which can be easily invaded or has been invaded by the flaveria bidentis through introduction, planting, rational configuration and scientific management, so that the seedling of the flaveria bidentis can be effectively prevented from growing quickly in the dry season and occupying the space by using the effect of time difference; and consequently, the method provides basic protection to prevent the invasion of alien invasive species flaveria bidentis as an alternative and to perform sustainable management.

Disclosed is a rice field grass control method. Three kinds of duckweeds of multi-root spirodela polyrrhiza, few-root spirodela polyrrhiza and common duckweeds are used as initial materials to be subjected to I-stage and II-stage cultivation to be mixed according to a proportion and spread in irrigated rice fields uniformly. According to the grass control method, an ecological method is used for controlling the germination of field weeds, and accordingly, the field weed germination rate is reduced greatly, the harm of weeds is reduced, and the production of crops is guaranteed; the rice field chemical herbicide use amount can be reduced effectively, the field manual or mechanical weeding time is saved, weed chemical resistance, ecological balance destroy and the like are prevented, the contribution to rice field microenvironment adjusting is huge, and sustainable management of weeds is achieved effectively.

The invention relates to the technical field of crayfish breeding and discloses a breeding method of rice field crayfish cultivation-breeding separation. A breeding mode of cultivation-breeding separation is adopted, larvae cultivation is performed in a larvae cultivation area to provide larvae for a breeding area; precise release and density control are performed in the breeding area, so that controllable production is realized, growth vigor is improved, specification is ensured, high price is realized, economic benefit is gained, ecological pressure is relieved, disease death is reduced, input use is reduced, and food safety and ecological safety are ensured and promoted; adult crayfishes in the breeding area are caught subsequently to supplement parents of the larvae cultivation area, so that function separation, production linkage, mutual promotion, cyclic breeding and sustainable management are realized.

The invention discloses a low mountain and hill region pinus massoniana low-efficiency artificial forest near natural forest management method. The method comprises the following steps of S10, determining forest stand types, wherein the first forest stand is the forest stand needing to adjust the forest growth space and promote the forest growth, and the second forest stand is the forest stand needing to adjust the composition or density or structure; S20, selecting a tending method according to the forest stand types, wherein the first forest stand adopts target tree management and tending intermediate felling for transformation, and the second forest stand adopts tending intermediate felling or forest gap type felling for transformation; S30, selecting the tending time for tending according to the tending method, wherein target tree management is conducted before the sapling forest is closed to be the mature forest for felling, and tending felling and forest gap type felling can be conducted all year round. Accordingly, the near natural forest management method is adopted for transforming the low-efficiency forest, the transformation potential is huge, and the ecological benefitis good; the large-area low-efficiency forest condition in our country can be well improved due to near natural management, and sustainable management of the forest in our country is helped to be promoted, and sustainable development of the forestry is helped to be promoted.

The invention provides a Penicillium oxalicum BAM-1 strain. The strain is a pure strain separated from Lei bamboo forest soil covered by organic materials and long-term stacked organic covering in forest land, and the sequence of the strain is highly homologous (99.3%) with the gene sequence of 26S rRNA (Ribosomal Ribonucleic Acid) of Penicillium oxalicum. The invention provides the culture, enzyme production and fermentation conditions of the strain and environmental conditions applied in bamboo forest. The strain can effectively decompose forest organic covering such as straws and rice chaff with high fiber content, so that the fast ecological decomposition of the organic covering retained in the forest land is quickened, and the strain has a wide application prospect especially in sustainable management of bamboo forests.

The invention discloses a method for sustainable utilization of soil water resources. After forestation is carried out in areas lack of water resources, the wood soil water resources are reduced, and when artificial wood soil water resources are reduced to a soil water resource utilization limit, the soil moisture seriously influences the growth of woods, so that regulation and control needs to be carried out on the relationship between artificial forest growth and soil moisture according to soil moisture vegetation bearing capacity. According to the method for sustainable utilization of soil water resources, regulation and control are carried out on the relationship between the artificial forest growth and the soil moisture in the areas lack of water resources in time and quantity, so as to effectively ensure that stable and favorable community structures are formed in future artificial forests in the areas lack of water resources, the woods grow healthily, the problems of soil degradation and vegetation declination caused by serious soil draught do not comes up any more, the sustainable utilization of soil water resources in the areas lack of water resources is realized, and the sustainable management of forest vegetation is realized.

The invention discloses a forest stock volume distribution prediction method based on onboard laser radar data, and belongs to the field of the forest resource monitoring, forest sustainable management control and ecological factor investigation. The method comprises the following steps: firstly performing normalization processing on laser radar point cloud data, and extracting characteristic variables from the normalized point cloud data; performing optimization on the laser radar characteristic variables and inverting a Weibull scale parameter and a Weibull shape parameter by resolving the Weibull scale parameter and the Weibull shape parameter by adopting a maximum likelihood method; and finally predicting the forest stock volume distribution by using a two-parameter Weibull distribution parameter. Compared with other similar estimation method, total precision of the estimation method of the forest stock volume distribution disclosed by the invention is improved by 5% and more, themethod not only is beneficial to mechanism explanation of the characteristic variables, but also can be used for the natural forest and the secondary forest.

The invention discloses a quick carbon fixation method for underbrush by katsumada galangal seeds. The quick carbon fixation method comprises the following steps of collecting katsumada galangal seedsin August to September of the first year, performing sowing, and raising seedlings; planting the katsumada galangal seedlings at underbrush of certain crown density in the next spring, digging horizontal ditches along the contour line, and performing planting; and after the third year, performing plant dividing of chlophylly block subterraneous roots and stems of the katsumada galangal, and performing transplanting on the katsumada galangal divided plants in spring, summer and late autumn continuously, to realize continuous plant dividing and transplanting without raising the seedlings. The method is simple in plants, high in adaptability, and easy to operate, and the coverage rate can 50% in the same year; and besides, except the dry season, continuous plant dividing for planting can beperformed, so that the area can be quickly enlarged, the carbon fixation capacity and the soil fertility of forests can be improved, the ecological benefits are increased, and the purpose of sustainable management of forestry `can be realized.

The invention relates to a herbicide dosage reduced prevention and control method for controlling crop smothering in the whole growth period of rice transplanted by a rice transplanter through one time pesticide spraying. The method comprises the following steps that a pesticide composition containing propyrisulfuron and cyhalofop-butyl is sprayed for once in an appropriate period of 10-18 days after the rice is transplanted, and the mass ratio of the propyrisulfuron to the cyhalofop-butyl in the pesticide composition is 2-20:2-50. The method can effectively control the crop smothering in thewhole growth period of the rice transplanted by the rice transplanter through one time pesticide spraying, reduce the use of herbicides by 2-3 times, reduce the use of the herbicides by 30%-60%, savethe chemical costs and labor costs of weed prevention and control, reduce adverse effects of the pesticides on ecological environment, and has significant economic, ecological and social benefits; herbicide compositions with different targets are sprayed in the appropriate dosage and period, reduced dosage and enhanced effects of the pesticides, weed control under the condition of reduced pesticide spraying times and sustainable management of the crop smothering are achieved, service life of pharmaceuticals is prolonged, and the method has important significance for comprehensive management ofherbicide resistance.

The invention provides a method for ecological restoration and sustainable management of bush grassland, and belongs to the technical field of grassland ecosystem restoration. The method is based on the key problem that rapid growth of bushes and severe swallowing of grassland cause that a large number of livestock cannot enter the grassland, the available grassland is greatly reduced, and then local animal husbandry development is seriously affected. The invention provides a bush grassland ecological restoration technology and a sustainable management method of 'cleaning and raising grass, sealing and raising rotation grazing, combining grazing and raising, and sustainable development'. The method can solve the problems of grassland productivity reduction, grassland over grazing, livestock reduction and difficult maintenance of livelihood caused by bush invasion in bush grassland areas, and the purposes of bush removal and reuse, grassland ecological restoration and sustainable management of livelihood are achieved.

The invention discloses a pine tree and rosin material dual-purpose forest sustainable management method. The method comprises the following steps of (1) selecting an upslope surface of a pine tree, collecting rosin according to a descending double-side ditch two-side rosin collecting method, forming a middle ditch in the longitudinal center line of a cutting surface, installing a rosin receivingcontainer at the lower end of the middle ditch, and completing upslope rosin collection; (2) selecting a downslope surface of the tree, collecting the rosin according to the descending double-side ditch two-side rosin collecting method, forming a middle ditch in the longitudinal center line of the cutting surface, installing a grease receiving container at the lower end of the middle ditch, and completing the downslope rosin collection of the tree; and (3) calculating the total rosin collection area, felling and selling the pine trees subjected to uphill and downhill two-side rosin collection,counting the total output value of the sum of the rosin income and the wood income, and calculating the economic benefit. The method provided by the invention is applicable to medium-and-long-term pine tree rosin collection, and solves the problems of backwardness, poor forest quality, slow growth of forest trees, low rosin yield per unit area, shortened cutting life, low economic benefit and thelike of the traditional rosin collection technology.

The invention discloses a sustainable management evaluation method for a ginkgo composite management system, and the method comprises the steps: firstly calculating a load matrix so as to determine the scale and build a judgment matrix; secondly carrying out the row averaging and normalization of the matrix, and carrying out the consistency verification of all matrixes according to a random index value; finally combining the single factor weight of each layer with the weight of a last layer, calculating the combined weight, carrying out the linear weighting and summation of the values of all indexes, and obtaining a comprehensive evaluation value. According to the invention, the load matrix is calculated, and the objective quantitative evaluation and comparison of importance degrees of all factors. A simple and clear comprehensive analysis method is build, and the quantified element levels are built. The correlation among all layers, all rules and all elements is clearly presented. Through the system thinking rule, the method combines the decomposition, judgment and integration system evaluation modes, achieves the quantitative sustainable management evaluation of the ginkgo composite management system, and achieves the multi-target, multilayer and multi-rule sustainable management and decision-making analysis for the ginkgo composite management system.