66results about How to "Maintain biodiversity" patented technology

The invention discloses an organic cultivation method based on rotation of autumn melons, vegetable broad beans, rice and water chestnuts, and relates to the technical field of rotation cropping. The organic cultivation method includes the following steps: (1), establishing an organic cultivation production base; (2), cultivating according to a rotation method; (3), cultivating organic melons, organic vegetable broad beans, organic rice (planting one batch of early-season rice in the first year and the second year of a rotation cycle) and organic water chestnuts according to quality requirements and production technology standards of organic agricultural products, and fertilizing soil by straw turnover and organic fertilizer preparation. The rotation method includes sequentially cultivating the early-season rice, the autumn melons and the vegetable broad beans at the first year, and sequentially cultivating the early-season rice and the water chestnuts at the second year, wherein every two years serve as a rotation cycle. The organic cultivation method has the advantages that the organic melons, the organic vegetable broad beans, the water chestnuts and the organic rice can be cultivated in the same cultivation production base, a high-efficiency ecological circular agriculture cultivation mode, high practicability and operability and high social, economic and ecological benefits are achieved, and the method has a broad promotion and application prospect in the middle and lower reaches of Yangtze River.

A dynamic carbon and static carbon mutual conversion method includes: planting rank vegetations, and repeatedly cutting and storing to convert 'dynamic carbon' in the atmosphere into 'static carbon' in the biosphere; controlling biomass oxidation quantity to balance the total quantity of 'dynamic carbon' in the atmosphere; intervening soil wind erosion, rock weathering, monsoon circulation and ocean current distribution regularities to restrain 'static carbon' in the biosphere, the hydrosphere and the lithosphere from transferring into the atmosphere; increasing biomass in coastal wetlands, continental shelf shallow areas, rivers and lakes to promote 'static carbon' in the hydrosphere to transfer into the lithosphere; replacing fossil fuels with clean energy to reduce incremental quantityof 'dynamic carbon' in the atmosphere; developing new climate economy to increase bio-carbon products and increase storage of 'static carbon' in the biosphere; clearing 'dynamic carbon' in the atmosphere according to physical and chemical methods so as to regulate the greenhouse effect, eliminate dust haze, slow down global climate change speed and prolong survival time of human on the earth.

The invention discloses an organic cultivation and rotation method for watermelons, rice and water chestnuts in spring and summer and relates to the technical field of rotation cropping.The method comprises the steps that 1, an organic cultivation production base is built; 2, cultivation is performed in the following rotation pattern: watermelons, late rice and astragalus smicus are sequentially cultivated in spring and summer in the first year, early rice and water chestnuts are sequentially cultivated in the second year, and two years is a rotation cycle; 3, according to the quality requirements on organic agricultural products and production technological specifications, organic watermelons, organic rice (late rice and early rice) and organic water chestnuts are cultivated, and soil fertilization is realized by means of straw turnover and wet composting of organic fertilizer and planting green manure.Through the organic cultivation and rotation method, cultivation of organic watermelons, organic water chestnuts and organic rice can be carried out in the same organic cultivation production base, the method is an efficient, ecological and cyclic agricultural cultivation method, and the method is scientific and reasonable in technology, high in practicability and operability and suitable for large-scale organic cultivation and has a broad application and popularization prospect in the middle and lower reaches of Yangtze River.

The invention relates to an asexual propagation method for afforestation trees. The method is characterized by comprising the following steps: during the growth stage of the afforestation trees, circularly cutting the bast part of an afforestation tree on the position which needs to root; covering the circular cut position of the tree taking with a nutrition medium used for overhead propagation by layering to serve as filler; covering by a common plastic film; growing to form callus; after root points and fibril grow, cutting a trunk from the callus or the lower end of the fibril; trimming the branches of the cut trunk; covering the trunk and the branches with a colorless transparent plastic film; and transplanting to a destination. The method is suitable for arbor and dungarunga plants, and only the trunk and the branches need to be transported in the transportation process so as to greatly lower transportation difficulty and transportation cost. In addition, the biodiversity of afforestation tree native lands is fully kept, and water and soil loss is prevented. The afforestation trees propagated with the asexual propagation method for afforestation trees is characterized in that the survival rate for transplantation is 90-95% which is 30% higher than that of the traditional soil ball transportation method, and a great quantity of social resource is saved.

The invention discloses a fish sorting device for fish lift, including the separation tank (10); there is a screen assembly (20) in the separation tank (10) and the bottom of the screen assembly (20)has a lifting assembly (30), lifting assembly (30) is connected with hydraulic assembly (40) connection. The structure of the present invention is simple, the operation of lifting components is reliable, and the separation tank adopts a right-angled triangle bracket and screen-screen grid structure to filter adult fish seedlings in a mild manner, with less harm to the fish fry, and the mesh screenhas a certain degree of inclination. It is possible to ensure that adult fish seedlings are screened from the fish track and that the fry of fish fry are in water, and the whole fish sorting tank isvery effective for the screening of fish fry. The device of the present invention maintains vital significance in maintaining the connectivity of the river ecosystem, protecting the rare fish, increasing the yield of the river and maintaining the genetic and biodiversity of the river.

The invention discloses a crop rotation organic cultivation method for summer and autumn watermelons, vegetable broad beans, rice and chufas and relates to the technical field of crop rotation cultivation.The method comprises the first step of establishing an organic cultivation production base, the second step of conducting cultivation in a crop rotation mode that the rice, the summer and autumn watermelons and the vegetable broad beans are sequentially cultivated in the first year, the rice and the chufas are sequentially cultivated in the second year, and one crop rotation period is two years, the third step of conducting crop rotation cultivation of organic watermelons, organic vegetable broad beans, organic rice (the rice is cultivated two times in the first year and in the second year within one crop rotation period respectively) and organic chufas according to the quality requirements for organic agricultural products and production technical specifications and fertilizing soil through straw returning application and organic fertilizer composting.By means of the organic cultivation method, cultivation of the organic watermelons, the organic vegetable broad beans, the organic chufas and the organic rice can be achieved in the same organic cultivation production base, practicality and operability are high, very good social, economic and ecological benefits are achieved, and the method has wide application and popularization prospects in the middle and lower Yangtze River.

The invention discloses a rotation organic cultivation method for precocious pepper, rice and water chestnuts and relates to the technical field of rotation cropping. The method comprises the following steps that 1, an organic cultivation production base is set up; 2, a proper variety is selected; 3, the rotation cropping mode is that precocious pepper, late rice and astragalus sinicus are sequentially cultivated in the first year, early rice and water chestnuts are sequentially cultivated in the second year, and one rotation cycle lasts for two years; 4, organic pepper, organic rice (late rice and early rice) and organic water chestnuts are cultivated according to the quality requirements and production technical specifications of organic agricultural products, and soil is fertilized by returning stalks to the field and wetly composting organic fertilizer and planting green manure. Through the organic cultivation rotation method, the organic pepper, the organic rice and the organic water chestnuts can be cultivated in the same organic cultivation production base; the method is scientific and reasonable in technology, high in practicability and operability and suitable for large-scale organic cultivation, is an efficient ecological circular agricultural cultivation method and has broad application and popularization prospects in the middle and lower reaches of the Yangtze River.

The invention belongs to the technical field of sewage treatment, particularly relates to a bioactive carbon source for sewage denitrification, and further relates to a preparation method of the bioactive carbon source. The bioactive carbon source for sewage denitrification provided by the invention is characterized by comprising the following raw materials in parts by weight: 5-25 parts of micromolecular organic acid and salt thereof, 5-10 parts of micromolecular alcohol, 15-30 parts of micromolecular sugar, 0.5-5 part of an enzyme preparation, 0.5-1 part of a growth factor, 0.01-0.03 part of trace elements and 40-60 parts of water. The bioactive carbon source for sewage denitrification has the following beneficial effects that the bioactive carbon source provided by the invention is rich in components, maintains the biodiversity of denitrifying bacteria and activated sludge microbial flora, and improves the stability and impact resistance of the system; the product disclosed by the invention has the characteristics of low component molecular weight and high biodegradability, so that the product is suitable for being absorbed and utilized by denitrifying bacteria, and the denitrification nitrogen removal efficiency can be remarkably improved.

The invention discloses a novel ecological farmland drainage trench system. The novel ecological farmland drainage trench system comprises a field ditch, a field furrow and a plurality of ecological furrows, wherein the field ditch and the field furrow are arranged in parallel, the multiple ecological furrows are arranged between the field ditch and the field furrow and are perpendicular to the field ditch and the field furrow. By means of the system provided by the invention, a symbiotic ecological system with a paddy field, an ecological furrow, an ecological slope, aquatic plants, an aquatic vegetable floating bed being integrated can be achieved. The ecology and landscape concepts are introduced on the basis of keeping original flood drainage standard of a drainage trench, and aiming at achieving cultivation and drainage combined ecological agriculture, preventing ecological degradation and non-point source pollution and maintaining biological diversity, the ecological farmland drainage trench system capable of restoring the ecological system, improving surroundings and improving ecological landscape is formed. The farmland ecological system biological diversity and insect attack resisting capacity can be enhanced.

The invention discloses a dry direct sowing cultivation method for double-cropping late rice. The method comprises the following steps: a water discharging opening in a rice field is opened in the ripening stage of early-season rice for slow drying of the field, rice stubbles are reserved after the early-season rice is harvested, and a harvester is utilized to uniformly spread harvested and threshed straw on the rice stubbles in the rice field to form a rice carpet; a skid-mounted grass-pressing plate is adopted to act on the straw in the rice carpet to form an ecological carpet, and ecological planting holes used for sowing and ecological fertilization holes used for fertilization are formed in the ecological carpet, so that the ecological carpet is constructed to be an ecological hole carpet; under no-tillage no-irrigation dry direct sowing conditions, sprouted rice seeds are sown in the ecological planting holes, the ecological planting holes are covered, a fertilizer is applied into the ecological fertilization holes, and the ecological fertilization holes are covered; and on the basis of conventional field management, when the rice grows to an early tillering period, young ducks are thrown to prevent and control diseases, pests and weeds, a compound fertilizer is applied in an active tillering period, a compound fertilizer is applied again in a booting stage, and thereforedry direct sowing cultivation for the double-cropping late rice is completed. The method provided by the invention improves a utilization rate of chemical fertilizers, and reduces an amount of waterused in a steeping field and a use amount of pesticides.

The invention discloses a paddy-upland rotation organic cultivation method of premature eggplant and relates to the technical field of rotation cultivation. The method includes following steps: (1), selecting a proper place, and building an organic cultivation production base; (2), selecting extremely premature or premature eggplant varieties including Hunan early eggplant, Hunan hybrid early green, Hunan hybrid early red and Hunan hybrid number 2; (3), adopting a rotation cultivation mode: sequentially cultivating premature eggplant, late rice and milk vetch in the first year, and sequentially cultivating early rice and chufa in the second year, wherein one rotation period is two years; (4), cultivating organic eggplant, organic rice and organic chufa according to quality requirements and production technology standards of organic agricultural products, and fertilizing soil through straw mulching, organic fertilizer retting and green manure planting. By the method, the organic eggplant, the organic rice and the organic chufa can be cultivated in the same organic cultivation base; the method is scientific and reasonable in technology, high in practicability and operability and suitable for popularization and application in the middle and lower reaches of the Yangtze River.

The invention discloses a method for organically cultivating muskmelons, paddy rice, vegetable broad beans and water chestnuts in a crop rotation manner, and relates to the technical field of crop rotation cultivation. The method includes steps of (1), building organic cultivation production bases; (2), cultivating the muskmelons, the paddy rice, the vegetable broad beans and the water chestnuts in crop rotation modes, to be more specific, sequentially cultivating the muskmelons, the late rice and the vegetable broad beans in a first year, and sequentially cultivating the early rice and the water chestnuts in a second year; (3), cultivating the organic muskmelons, the organic paddy rice (the late rice and the early rice), the organic vegetable broad beans and the organic water chestnuts according to quality requirements on organic agricultural products and production technical specifications and fertilizing soil by means of returning straw to fields and composting organic fertilizers. A crop rotation period includes two years. The method for organically cultivating the muskmelons, the paddy rice, the vegetable broad beans and the water chestnuts in the crop rotation manner has the advantages that the organic muskmelons, the organic paddy rice, the organic vegetable broad beans and the organic water chestnuts can be cultivated in the same organic cultivation production bases, and the method is scientific and reasonable in technology and high in practicality and operability and has a good economic benefit and a popularization application prospect in the middle and lower reaches of the Yangtze River.

The invention discloses an irrigation channel with ecological pools. The irrigation channel comprises a channel body and the ecological pools distributed below the channel body at equal intervals. First concrete cover plates flush with the bottom of the channel are arranged on the tops of the ecological pools below the channel body, and a series of through holes are formed in the first concrete cover plates. The ecological pools extend to one side or two sides according to available spaces on the two sides of the channel. Solid second concrete cover plates or second concrete cover plates with through holes are arranged between the lateral pool portions extending to one side or two sides and the channel body, and the second concrete cover plates are flush with an original slope and the top of the channel. The tops of the lateral pool portions are flush with the top of the channel. A third concrete cover plate with a series of through holes is arranged on the tops of the lateral pool portions. The cover plates and the channel body are connected into a whole, and an original section mode of the channel is kept. The irrigation channel improves the biological habitat of a traditional channel, proper ecological space and a shelter site are created, biodiversity is maintained, and the ecological function of the irrigation channel is improved.

The invention discloses a paddy-upland rotation organic cultivating method for spring and summer hot peppers, relating to the technical field of rotation cultivation. The paddy-upland rotation organic cultivating method comprises the following steps: (1) establishing an organic cultivation production base; (2) selecting proper hot pepper species; (3) cultivating by adopting the following rotation mode: in first year, sequentially cultivating: spring and summer hot peppers, late rice and vegetable broad beans, in second year, sequentially cultivating: early rice and water chestnut, wherein one rotation period is conducted every 2 years; (4) cultivating organic hot peppers, organic paddy rice (late rice and early rice), organic vegetable broad beans and organic water chestnuts according to the quality requirement and production specification of organic agricultural products, and performing straw returning to the field and wet-composting organic fertilizer to fertilize soil. By adopting the paddy-upland rotation organic cultivating method, not only can organic hot peppers be produced in the same production base, but also the organic paddy rice, organic vegetable broad beans and organic water chestnuts can be produced, so that the practicability and operability are strong, the economic benefits are good, and the paddy-upland rotation organic cultivating method can be popularized and applied in the middle and lower reaches of Yangtze river, and is a scientific and high-efficiency ecological cycle agricultural cultivation method.

The invention belongs to the field of environmental protection, and particularly relates to a method for recovering submerged plant communities in a polluted fresh water area. The method comprises thefollowing steps that after the composition of submerged plant communities planted in a target water area is determined, according to staged scheme, in a first stage, submerged plant species are planted for collocation and combination; after planting of the submerged plant species in the first stage is completed, the current water depth serves as the light compensation depth of submerged plant restoration in a second stage, and if the transparency under the light compensation depth is larger than or equal to the actual transparency, submerged plant combinations of medium stain-resistant and sensitive species in the second stage are arranged and planted, so that a good submerged plant restoration effect is achieved.

The invention discloses a biomass landfill management method which comprises a biomass landfill management system, wherein the biomass landfill management system comprises a computer, a plurality of data collection devices, a plurality of displayers, an input device and a printer. The data collection devices, the displayers, the input device and the printer are connected with the computer. Fixed gross of CO2 of photosynthesis of landfill plants of nations or areas is counted through the biomass landfill management system. Nations or areas with multiple landfill biomass can help nations or areas where tasks of greenhouse gas emission can not be finished, business of 'carbon emissions permit trading' can be promoted, and tasks of emission reduction are finished. An atmosphere greenhouse effect is relived step by step, glacier melting on at two poles is restrained, rising of a sea level is controlled, climate on the earth and biological diversity are maintained, and survival time of human beings on the earth is prolonged.

The invention discloses an organic cultivation method for crop rotation of eggplant, rice, broad bean and water chestnut, and relates to the technical field of crop rotation cultivation. The organic cultivation method comprises the following steps of (1) building an organic cultivation production base; (2) selecting proper varieties; (3) cultivating by the following crop rotation mode, namely that sequential cultivation in the first year: eggplant, late rice and vegetable broad bean in spring and summer crop; sequential cultivation in the second year: early rice and water chestnut, wherein every two years are used as one crop rotation cycle; (4) cultivating the organic eggplant, organic rice, organic vegetable broad bean and organic water chestnut according to the quality requirements of organic agricultural products and production technique specification, and fertilizing soil through straw field return and retting of organic fertilizer. The organic cultivation method has the advantages that the organic eggplant, organic rice, organic vegetable broad bean and organic water chestnut can be produced in the same production base; the practicality and operability are strong; the method is a scientific high-efficiency ecological circulation agricultural cultivation method, and can be popularized and applied to the middle and lower reaches of the Yangtze River.

The invention discloses a rotation organic cultivation method for over-summer c over-summer capsicum annuum L., vegetable vicia faba, early oryza sativa and eleocharis dulcis, and relates to the technical field of rotation cultivation. The rotation organic cultivation method comprises the following steps: (1) building an organic cultivation production base; (2) selecting proper varieties; (3) implementing a rotation mode: cultivating the over-summer capsicum capsicum annuum L. and the vegetable vicia faba in sequence in a first year, and cultivating the early early oryza sativa and the eleocharis dulcis in sequence in a second year, wherein one rotation period lasts for 2 years; (4) rotationally cultivating organic capsicum annuum L., organic vegetable vicia faba, organic early oryza sativa and organic eleocharis dulcis according to the quality requirements and production technical specifications of organic agricultural products, and fertilizing through straw turnover and wet composting of organic fertilizers. The rotation organic cultivation method has the advantages of very good social, economic and ecological benefits, high practicability and high operability, and can be popularized and applied to middle and lower reaches of the Yangtze river.

The invention discloses a paddy-upland rotation organic cultivation method of summer and autumn hot pepper, and relates to the technical field of rotation cultivation. The paddy-upland rotation organic cultivation method comprises the following steps: (1) selecting an appropriate place to establish an organic cultivation and production base; (2) selecting the early and medium mature hot pepper varieties suitable for local cultivation, including Xiangyan No.3, Xiangyan No.12 and Xiangyan No.13; (3) taking every two years as one rotation cycle, and adopting the following rotation mode for cultivation: sequentially cultivating edamame, summer and autumn hot pepper and vegetable broad bean in the first year; sequentially cultivating early rice and eleocharis dulcis in the second year; (4) performing rotation cultivation of organic hot pepper, vegetable broad bean, early rice, eleocharis dulcis and edamame according to principles of organic agriculture as well as production methods and standards of organic agricultural products; fertilizing soil through returning straws into the field and retting organic fertilizers. The paddy-upland rotation organic cultivation method is an efficient ecological-cycle agricultural cultivation mode, has high practicality and operability as well as good economic, social and ecological benefits, and can be popularized and applied to the middle and lower reaches of Yangtze River.

The invention discloses an organic cultivation method adopting paddy-upland rotation for long-season Capsicum annuum and relates to the technical field of rotation cropping. The method comprises the following steps: (1) an organic cultivation and production base is established at a properly selected place; (2) middle-late maturing Capsicum annuum varieties including Xiangyan No.3, Xiangyan No.13, Xiangyan No.5, Xiangyan No.15, Xiangyan No.6 and Xiangyan No.16 are selected; (3) according to a rotation mode, the long-season Capsicum annuum and Pisum sativum are cultivated sequentially in the first year, early Oryza sativa and Eleocharis dulcis are cultivated sequentially in the second year, and every two years are taken as one rotation cycle; (4) rotation cropping of organic Capsicum annuum, organic Pisum sativum, organic early Oryza sativa and organic Eleocharis dulcis is performed according to the principle of organic agriculture as well as the production mode and standard of organic agricultural products, and soil is fertilized through retuning of straw to the field and retting. The organic cultivation method adopting paddy-upland rotation has high practicability and operability, can be popularized and applied in the middle and lower reaches of Yangtze River, has good economic, social and ecological benefits and is an efficient ecological and circulatory agricultural cultivation mode.

The invention discloses an organic crop rotation cultivating method for autumn-crop hot chilies, broad beans, early rice and water chestnuts, and relates to the technical field of crop rotation cultivating. The method comprises the following steps that 1, an organic cultivating production base is built by selecting an appropriate place; 2, appropriate varieties are selected; 3, cultivating is conducted in the crop rotation mode that the early rice, the autumn-crop chilies and the vegetable broad beans are sequentially cultivated in the first year, and the early rice and the water chestnuts are sequentially cultivated in the second year, wherein one crop rotation cycle is two years; 4, crop rotation cultivating of the organic chilies, the vegetable broad beans, the early rice (one crop of the early rice is cultivated in the first year and the second year in one crop rotating cycle separately) and the water chestnuts is conducted according to the quality requirements and the production technology standard of organic agricultural products, and soil is fertilized through straw returning and organic fertilizer composting. The organic crop rotation cultivating method is high in practicability and operability, can be applied and popularized in the middle and lower reaches of Yangtze river and has very good social, economic and ecological benefits.

The invention discloses an organic culture method for crop rotation of autumn pepper, pea, early season rice, water chestnut and green soy bean, and relates to the technical field of crop rotation culture. The method comprises the following steps of (1) selecting a proper place to build an organic culture production base; (2) selecting the proper variety; (3) using a crop rotation mode shown as follows: sequentially culturing green soy bean, autumn pepper and pea in the first year, sequentially culturing early season rice and water chestnut in the second year, and using every two years as one crop rotation period; (4) performing crop rotation culture of organic pepper, organic pea, organic early season rice, organic water chestnut and organic green soy bean according to an organic agriculture principle and organic farm product production mode and standards; fertilizing soil through straw field return and organic fertilizer compost. The organic culture method for crop rotation has the advantages that the practicability and the operability are high; the mode belongs to an efficient ecological cycle agricultural culture mode; the method can be popularized and applied to the middle and lower reaches of Yangtze River, and has good economic, social and ecological benefits.

The invention discloses an organic cultivation method for over-summering eggplants through rice field-upland field rotation, relating to the technical fields of rotation cropping cultivation. The organic cultivation method comprises the following steps: (1) establishing an organic cultivation production base; (2) selecting medium-maturing and late-maturing eggplant varieties, including Xiangza 6#, Xiangza 9# and Zheqie 1#, which are suitable for local cultivation and meet the market requirements; (3) carrying out the rotation cropping modes: sequentially cultivating over-summering eggplants and vegetable-use broad beans in the first year, and sequentially cultivating early season rice and water chestnuts in the second year, wherein a rotation cropping period is two years; and (4) carrying out the rotation cropping on organic eggplants, organic vegetable-use broad beans, organic early season rice and organic water chestnuts according to the quality requirement and production technical specification of organic agricultural products, and preparing organic fertilizer fertilized soil by virtue of straw turnover and wet composting. The organic cultivation method has very good social, economic and ecological benefits and strong practicability and maneuverability and can be popularized and applied in the middle and lower reaches of Yangtze River.