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49 results about "Coastal plain" patented technology

A coastal plain is flat, low-lying land adjacent to a sea coast. Some of the largest coastal plains are in Alaska and the southeastern United States. The Gulf Coastal Plain of North America extends northwards from the Gulf of Mexico along the Lower Mississippi River to the Ohio River, which is a distance of about 981 miles (1,579 km).

Tree planting method and tree planting structure in coastal saline and alkaline area

ActiveCN103947320AReduce salinityConducive to survival and growthForestrySoil-working methodsTerrainAlkali soil
The invention discloses a tree planting method and a tree planting structure in a coastal saline and alkaline area. The tree planting method comprises the steps of building a cofferdam, arranging a lifting layer, carrying out salt pressing and alkali discharging on the lifting layer, digging planting holes, paving waterproof geotechnical cloth, paving a broken stone water filter layer, paving a straw curtain water filter layer, backfilling planting soil and planting trees. According to the tree planting method disclosed by the invention, after the steps and measures are comprehensively adopted, the salt returning period of saline and alkali soil can be slowed down, good conditions are created for the surviving and the growth of the trees due to the soil fertility of the planting soil, and a greenery landscape can be easily formed after the trees are planted; since the terrain is lifted, saline and alkaline original soil is relatively reduced, alkali discharging pipes are not needed to be paved in specific construction, the period of salt discharging and alkali controlling is reduced, and the cost is reduced. The tree planting method and the tree planting structure, disclosed by the invention, are suitable for being popularized and applied in a greening process of the coastal saline and alkaline area.
Owner:SHANDONG DONGSHENG GARDEN ENG CO LTD

Method for planting poplar trees in coastal saline-alkali soil

The invention relates to a method for planting poplar trees in coastal saline-alkali soil, which comprises the following steps of: filling earth; digging and processing plant pits; improving earth for refilling the plant pits; selecting quality of tree stock; planting; building a cofferdam; and watering and nursing, wherein in the step of filling the earth, the whole or local terrain is lifted, and the highest underground water level is controlled to be below 1.5m; in the step of digging and processing the plant pits, the plant pits in large specification are dug, and a salt isolating and water pouring layer with the thickness of 0.1 to 0.3m is laid at the bottom of each plant pit; and in the step of improving the earth for refilling the plant pits, the salt content of the earth for refilling the plant pits is less than 0.5 percent, the pH is between 6.5 and 8.5, and the soil is powdery or granular and is mixed with a soil structure improver and an organic fertilizer. The method has the advantages of high operability and low implementation cost, and can effectively prevent the earth in the plant pits from returning salt, being alkalified and accumulating salt. Demonstration application proves that the survival rate of the planted polar trees is over 95 percent; moreover, the poplar trees grow vigorously and have a few plant diseases and insect pests in a later period, and have good landscape greening ecological effect.
Owner:TIANJIN SEASHORE SALINE ALKALI SOIL BIOLOGICAL PLANTING ENG

Saline and alkaline land improvement method adopting compound waste

The invention discloses a saline and alkaline land improvement method adopting compound waste, and relates to the technical field of saline and alkaline land improvement. The method comprises the following steps that S1, a desulfurized gypsum improvement agent is uniformly thrown to the surface of to-be-improved coastal saline and alkaline land, wherein the application amount of the desulfurized gypsum improvement agent is 1,800-2,000 kg/mu; S2, the coastal saline and alkaline land is subjected to rotary tillage by 15-20 centimeters; S3, after rotary tillage, the coastal saline and alkaline land is deeply ploughed by 30-40 centimeters; S4, the desulfurized gypsum improvement agent is uniformly thrown to the surface of the saline and alkaline land again, wherein the application amount of the desulfurized gypsum improvement agent is 1,800-2,000 kg/mu; S5, the saline and alkaline land is subjected to rotary tillage by 15-20 centimeters again; S6, after 1-2 months, land irrigation, salt leaching and alkali discharging are conducted. The saline and alkaline land improvement method adopting the compound waste has the advantages that industrial waste such as desulfurized gypsum and iron and steel slag is utilized, the improvement cost is reduced, and the salinity in soil and the pH value of the soil are reduced.
Owner:正大农业有限公司

Method for increasing afforestation survival rate of quick growing tree species in coastal saline-alkali land through catchment, salt leaching and water retention

The invention provides a method for increasing the afforestation survival rate of quick growing tree species in a coastal saline-alkali land through catchment, salt leaching and water retention. The method comprises the steps of platform field building, wherein earth cutting and bed hedgehopping are performed on a section to be afforested to form an east-to-west platform field and a drainage ditch before a rainy season in the first afforestation year, the length of the platform field is 50-100 m, the width of the platform field is 20-50 m, the platform field is 1-1.5 m higher than the ground surface, the drainage ditch is 1-1.5 m lower than the ground surface, a cofferdam is built at the periphery of the platform field, the height of the cofferdam is 0.8-1.2 m, and the width of the cofferdam is 0.5-1.0 m. The method has the advantages that due to the fact that the platform field is small and convenient to construct, the soil salt content can be quickly decreased in half a year to one year through catchment, and the salt leaching speed is high; through comprehensive film mulching, soil moisture evaporation can be effectively reduced, salt content increasing can be prevented, and it is guaranteed that leached salt cannot rise to the ground surface layer; meanwhile, water can be retained, weed growing can be inhibited, the survival effect on black poplar, willow and elm seedlings which are poor in salt tolerance and high in water requirement is significant, and the problem that afforestation of black poplar, willow and elm trees is difficult in a saline-alkali area can be significantly solved.
Owner:SHANDONG FOREST SCI RES INST

Improvement method for underground soil of urban street trees on coastal saline and alkaline land region

ActiveCN103444293AAvoid sun blockageTroubleshoot exclusionsSoil lifting machinesPlant rootsRoot growth
The invention relates to an improvement method for underground soil of urban street trees on a coastal saline and alkaline land region, mainly aiming at the improvement of an underground salt elimination system and street tree root growth spaces of a street tree region which is built for many years. The method comprises the following steps that (1) sidewalk saline soil, concrete and sidewalk pavement on the outer sides of the street tree region are removed, and original saline soil is replaced with soil dressing; (2) a dn60PVC (polyvinyl chloride) vent pipe is paved in a plant root system concentrated distribution layer, the paving mode is a horizontal wave mode, two ends of the vent pipe penetrate through the original street trees by a certain angle, the two ends are 2-3cm higher than a greenbelt, a dn60PVC leaky pipe is deeply paved in the original street tree leached layer, non-woven fabric is used for coating the outer side of the leaky pipe, and the leaky pipe is connected with a salt elimination inspection well of the underground salt elimination system of the original street tree region. By using the improvement method, the growth and sustainable development of the street trees can be guaranteed, and the ecological benefits of the street trees can be fully exerted.
Owner:TIANJIN TEDA GREEN GRP CO LTD

Method for planting impatiens wallerana in coastal saline-alkali land

The invention relates to a method for planting impatiens wallerana in a coastal saline-alkali land. The method comprises the following steps of land preparing, soil improving, planting, water controlling and fertilizer adding. The soil improving step comprises the processes that saline-alkali soil is doped with river sand, grass carbon and decomposed cow dung, the soil, the river sand, the grass carbon and the decomposed cow dung are proportioned according to the ratio of 2 to 2 to 1 to 1, the land is ploughed and dug, and the ploughing and digging depth is 20-30 cm, so that the soil is sufficiently mixed with the river sand, the grass carbon and the decomposed cow dung to be uniform, and then the land is leveled; sampling is conducted, the pH value of the soil is determined, when the pH value of the soil is still larger than 8, ferrous sulfate needs to be applied to the soil, ferrous sulfate is mixed with water for spraying according to the amount that when the pH value is decreased by one, 130 g of ferrous sulfate needs to be applied to per square meter of the soil, and when the pH value of the soil is smaller than or equal to 8, ferrous sulfate does not need to be applied. By using the method for planting the impatiens wallerana in the coastal saline-alkali land, the survival rate of the impatiens wallerana can be greatly increased, and the flowering time and the turf grass growing time are shortened; when the method is used for planting the impatiens wallerana, flowering can be achieved after 15 days, the best landscape effect can be achieved after 20 days, and the survival rate reaches 95% or above.
Owner:TIANJIN TEDA GREEN GRP CO LTD

Coastal saline-alkali soil improvement method, improved coastal saline-alkali soil structure and application

InactiveCN108990460AConducive to decayPromote the decomposition of organic matterPlant cultivationCultivating equipmentsAlkali soilDesalination
The invention provides a coastal saline-alkali soil improvement method, an improved coastal saline-alkali soil structure and an application, and relates to the technical field of saline-alkali soil improvement and restoration. According to the coastal saline-alkali soil improvement method, a concealed pipe drainage layer, an isolation layer and a cultivation layer are arranged in a coastal saline-alkali soil layer, so that rapid desalination of coastal saline-alkali soil can be realized, salt return can be prevented at the same time, the structure and fertility of the soil structure of a tillage layer also can be improved, and effective utilization of water resources is realized. Practice shows that the soil condition of the saline-alkali soil can be gradually improved through the adoptionof the coastal saline-alkali soil improvement method, and the saline-alkali soil can be used for planting common crops after 3-5 years of improvement. The invention further provides the improved coastal saline-alkali soil structure, and the improved coastal saline-alkali soil structure comprises the concealed pipe drainage layer, the isolation layer and the cultivation layer. The invention further provides an application of the coastal saline-alkali soil improvement method or the improved coastal saline-alkali soil structure in the field of saline-alkali soil treatment and restoration.
Owner:MEILIGUOTU BEIJING ECOLOGICAL ENVIRONMENT ENG TECH RES INST CO LTD

Comprehensive treatment method for coastal saline-alkaline land

The invention relates to a technical field of saline-alkaline land improvement, in particular to a comprehensive treatment method for coastal saline-alkali land. The method comprises the following steps that 1, soil ploughing is conducted to obtain loosened soil, a mixture of sulfur and biomass charcoal is added into the loosened soil and mixed evenly, soil ploughing is conducted again, and the soil is kept for 10-30 days; 2, microbial fermentation pond sludge is added into the soil, soil ploughing is conducted, and the soil is kept for 10-30 days; 3, organic fertilizer is applied, and soil ploughing is conducted. By means of the method, the soil structure can be improved, the water holding capacity and water permeability of surface soil are improved, the downward migration of salt is promoted, and the desalination rate is increased; the content of organic matter in the soil is increased, so that crops obtain comprehensive nutrients in the whole growth process; the pH value and ESP value of the soil are obviously reduced, the pH value and ESP value of the heavy saline-alkaline soil can be reduced quickly, a dealkalization and desalination effect is achieved within a short period, and the normal growth of the crops can be promoted; raw materials are waste materials and are re-utilized, the input cost is low, and the method is environmentally friendly.
Owner:台州东发建设投资有限公司

Method for ecological re-greening of coastal saline-alkaline sand by using salt-tolerant plants

The invention relates to the field of improvement technologies and ecological remediation of saline-alkaline land, in particular to a method for ecological re-greening of coastal saline-alkaline sandby using salt-tolerant plants. A saline-alkaline isolation layer consists of broken brick residues or miscellaneous fill and coarse sea sand, loose large-porous structures formed by the miscellaneousfill and the broken brick residues in constructional engineering can effectively block salt in lower layers from returning to the surface layer of soil along with water under the capillarity action, infiltration discharge of salt on the upper layer can be dredged, construction waste can be used, and the construction cost can be saved; a salt reverse osmosis layer can effectively block root systemsof the plants from penetrating the isolation layer, prevent the root systems from being affected by salt damage and prevent reverse osmosis of salt of the isolation layer; the arrangement principle of a saline-alkaline sand improvement layer lies in that physical and chemical properties of the saline-alkaline sand are improved, and effects of soil looseness and breathability, water retention, sufficient fertility and proper pH can be realized by cooperation with mushroom soil. The technical scheme has active and significant effects on ecological re-greening of the coastal saline-alkaline sandand is suitable for promotion on a large scale.
Owner:厦门万银环境科技有限公司

Coastal saline-alkali soil ecological improvement system and high-yield cotton planting method thereof

The invention provides a coastal saline-alkali soil ecological improvement system. The system comprises an ecological regulation pond, a culture pond, a platform field, an alkali discharge ditch and a shallow groundwater extraction system, the ecological regulation pond and the alkali discharge ditch are connected with the alkali discharge ditch and a river through ditches, the ecological regulation pond performs rainy season fresh water accumulation and individual rainy year water draining, and the culture pond performs underground water or fresh water supplementing and aquaculture. The platform field is paved with different kinds of straw according to different distances with the pond, the shallow groundwater extraction system provides power by means of blending of wind energy and solar energy to extract shallow groundwater continuously day and night. The invention further provides a matched high-yield cotton planting method. Accordingly, adversity stress of saline-alkali, drought and water logging of coastal saline-alkali soil is significantly changed, and normal growth and development of cotton are promoted; meanwhile, the pest and disease damage is significantly lowered, management is conducted more conveniently, the cotton yield is significantly increased, the cotton quality is significantly improved, and the cotton planting earnings of farmers are directly increased.
Owner:COTTON RES INST HEBEI ACAD OF AGRI & FOREST SCI

Large-scale ecological culture method of hairy crabs from yellow river estuary based on ponds on coastal saline-alkali land

The invention discloses a large-scale ecological culture method of hairy crabs from the yellow river estuary based on ponds on a coastal saline-alkali land. The method includes the following steps that 1, high-quality larval crabs are selected, and the quality of larval crabs to be bred outside is ensured; 2, the larval crabs are put in the ponds in advance, and the growing period is prolonged; 3, the stocking density is controlled, and large-size larval crabs are put in the ponds; 4, aquatic plants are planted, and an ecological environment is simulated; 5, the water quality is regulated, and the healthy growth of the hairy crabs is promoted; 6, high-quality bait is poured to meet the nutritional needs of hairy crab growth and needs of hairy crabs for bioactive substances; 7, molt-period management is well done, and the survival rate of the hairy crabs is improved; 8, ecological disease prevention is well done, and pollution-free agricultural products and organic food are produced; 9, daily inspection is well done to know the hairy crab breeding state in time; 10, scientific catching is conducted at the right moment so as to meet the market demand. According to the method, the size of the adult hairy crabs from the yellow river estuary is increased by 92% or above, the yield per mu is improved by 58% or above, and the proportions of liver, muscle and gonad to the body weight are each improved by more than 10%.
Owner:东营市恒盛农业科技有限公司

Method for improving fertility of coastal saline-alkali soil in East China by utilizing seashore paspalum

The invention discloses a method for improving fertility of coastal saline-alkali soil in East China by utilizing seashore paspalum, and relates to the field of ecological treatment of heavy saline-alkali land. The method utilizes salt-tolerant turfgrass and selects the seashore paspalum for high-efficiency rapid improvement of the coastal saline-alkali land; and the method comprises the followingsteps: (1) preparation of the saline-alkali soil; (2) planting of salt-tolerant turf; and (3) maintenance management. The method provided by the invention has the following advantages and positive effects: 1, the selected salt-tolerant seashore paspalum can efficiently and rapidly improve the saline-alkali land; 2, the turf is spread and planted in a rainy season of which the soil content is relatively low, so that vegetations can be quickly established, moisture evaporation of the soil can be inhibited, raising of the salt content of the soil is controlled, and the purpose of improving the soil in the saline-alkaline land is achieved; and 3, the selected seashore paspalum is a salt-tolerant herbaceous plant selected by a laboratory for a plurality of years, and suitable for the ecological recovery of the saline-alkali land, and especially facilitates stability of an ecological system of the saline-alkali land.
Owner:LUDONG UNIVERSITY

Prevention and treatment method of gummosis of mountain peach in coastal saline-alkaline land

InactiveCN106212120AFew prevention methodsImprove the effect of green landscape engineeringCultivating equipmentsPlant protectionInsect pestCoastal plain
The invention relates to a prevention and treatment method of gummosis of mountain peach in coastal saline-alkaline land. The method includes following steps: 1), spraying insecticide three days before transplanting the mountain peach; 2), preparing base fertilizer and high-breathability cultivation soil 4-5 days before transplanting, and disinfecting to obtain cultivation soil; 3), transplanting, root irrigating rooting powder, and performing infusion; (4), pruning away deadwood and diseased branches, disinfecting, and applying a preventive agent; 5), cleaning an orchard in winter, and taking cold-resistant measures. The method is used for preventing and treating gummosis of the mountain peach in the coastal saline-alkaline land, and specific prevention and treatment measures are provided according to various factors causing gummosis of the mountain peach. By the method, the physiological defect in growing of the mountain peach in Tianjin coastal saline-alkaline land is overcome, plant diseases and insect pests are prevented to generate drug resistance to the agent, gummosis of the mountain peach is prevented and treated comprehensively and effectively, and survival rate and ornamental value of the mountain peach are increased.
Owner:TIANJIN TEDA GREEN GRP CO LTD

Cultivation method of coastal saline-alkaline land ecological greening vegetation

The invention relates to the technical field of soil improvement, in particular to a cultivation method of coastal saline-alkaline land ecological greening vegetation. The vegetation is simple in structure and reasonable in design, has practical significance and popularization value and is expected to generate good economic benefit. The cultivation method includes following steps: selecting a coastal saline-alkaline land to-be-treated parcel, deeply ploughing the to-be-treated parcel, removing saline-alkaline soil turned out by deep ploughing, arranging an oyster shell layer not lower than 20cm in vertical height at the bottom of the to-be-treated parcel, laying salt-alkali pipes above the oyster shell layer, and selecting borrowed soil of normal soil of non-saline-alkaline land for backfilling; planting bamboo-willow at the edge of the coastal saline-alkaline land to-be-treated parcel, and planting festuca arundinacea at the edge of the coastal saline-alkaline land to-be-treated parcel, wherein distance of adjacent bamboo-willow is not smaller than 1.4m, planting width of festuca arundinacea is not lower than 1m, ridges are arranged on the outer side of festuca arundinacea, and awaterproof film mulching layer is arranged on the surface of each ridge.
Owner:YAOHUA GARDEN CO LTD
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