65results about How to "Large temperature difference between day and night" patented technology

The invention relates to a method for planting pseudo-ginseng in a high-altitude area. The method is used for introducing the pseudo-ginseng planted in an area with the altitude of 1500-1900m in the prior art to an area with the altitude range of 2000-2600m. The method includes the following steps: step1, selection of a planting environment: such as selection of an ecological environment, selection of terrain and section of soil texture, step2, application of a cold-resistant species group, step3, implementation of a sprouting method for improving planting power of seeds, step4, field production and management: seedbed making, greenhouse establishment, light adjustment and sowing and seedling raising, step 5, film mulching for cold prevention, step 6, reasonable pest control and prevention, and the like. The method serves as guidance for pseudo-ginseng introduction in the high-altitude area. According to the method, the planting environment and a planting area are selected according to ecological characteristics of the pseudo-ginseng, the suitable planting area is scientifically planned, and therefore the method is beneficial to benign development of pseudo-ginseng planting industry and guarantees indigenous genuineness of the pseudo-ginseng planted in a new producing area.

The invention relates to a rain collection self-pressure irrigation system for loess plateau hilly area step greenhouses, which comprises greenhouses, ground water collection surfaces, water collection flow gathering ditches, water reservoirs and irrigation pipelines, wherein the greenhouses are arranged on the steps of a terraced field, the ground water collection surfaces, the water collection flow gathering ditches, the water reservoirs and the irrigation pipelines are arranged on the steps, the greenhouses comprise greenhouse ceiling water collection surfaces, the water collection flow gathering ditches are arranged along the lower edges of the greenhouse ceiling water collection surfaces, the ground water collection surfaces are in inclined arrangement, the lower sides of the ground water collection surfaces are connected with the collection flow gathering ditches, one sides or two sides of the water collection flow gathering ditches are provided with the water reservoirs, and the irrigation pipelines are arranged in the greenhouses and are connected with the water reservoirs of the previous steps through main pipelines. The greenhouses are built on the terraced field, the collected rain at the previous step of the terraced field is used for irrigating the greenhouse on the next step of the terraced field, the rain resources are sufficiently and reasonably developed and utilized for developing the facility agriculture, and the ecological system is prompted to be converted to the benign circulation.

The invention relates to a yam plantation method, in particular to a mechanical directional half sleeve pipe yam ridge cultivation method which comprises the following steps: (1) carrying out deep plowing in winter to improve soil structure and reduce the diseases, pests and of harmful grass in yam land; (2) mechanically ridging in the middle ten days of April in spring by using a yam land ridging machine, wherein the heights of the ridges are 35-40cm; (3) directionally cultivating by using half sleeve pipes; and (4) mechanically harvesting in the middle or last ten days of October by using a yam harvesting plough. The invention has the advantages of saving yam planting and harvesting cost, creating the novel convenient, efficient, directional and labor-cost saving yam cultivating mode, overcoming the defect that the underground water level raises to cause adverse effect to the formation and the yield of the yam which is the tuber crop, solving the problems of mechanical ridge cultivation, high-density planting and mechanical harvesting and promoting the large-scale intensified and industrialized yam production. Due to the adoption of the method, the labor intensity is greatly reduced, the labor efficiency is improved, and the ridges are uniform and have good shapes.

Cashmere and Peru alpaca wool at the Andes are prepared according to the weight ratio of 1:(1.2-2.5) and opened, three assistants of wool-mixing oil, anti-static agent and water after fully mixed are added, then tightly covered for 8-12 hours, opened and mixed through the wool-mixing machine and finally spinned through carding machine and spinning machine. The single yarn is of 300-500 twist/m, the double yarn is of 150-300 twist/m. Advantages: reduced cashmere use-quantity and production cost, improved the piling-resisting property and raised strength and warm-keep properties.

The invention discloses a lettuce cultivation system for promoting accumulation of antioxidant substances and a cultivation method thereof. The lettuce cultivation system comprises a solar energy power supply assembly, a lettuce cultivation assembly and a PLC automatic control system assembly, and the lettuce cultivation system can automatically adjust the lettuce growth environment according to the different growth characteristics of lettuces and all monitoring parameters. The invention further discloses the lettuce cultivation method using the above system. The formation of the antioxidant substances is promoted through the control over the quality of light needed by crop growth; the lettuces are promoted to start the genetic expression of an antioxidant system by preparing an organic matrix formula; the accumulation of the antioxidant substances in lettuce bodies is promoted by utilizing the optimal configuration of LED blue light and ultraviolet light; lettuce growth parameter conditions are set and intelligently regulated and controlled according to the different duration period growth characteristics and environmental responses of the lettuces, and the lettuce cultivation system promoting the accumulation of the antioxidant substances and the cultivation method thereof are very suitable for the cultivation of the lettuces with high-quality antioxidant substances.

The invention relates to a modern agricultural planting technology and in particular to a method for planting spinaches in an artificial light type plant factory. According to the method for planting the spinaches in the artificial light type plant factory, high-quality spinaches are highly efficiently obtained via synergistic effects of synergizing the light quality, light intensity, light period at each growth stage with environmental factors, such as temperature, humidity and fertilizers , based on the growth habits of the spinaches. In the method for planting the spinaches in the artificial light type plant factory, the growth habits of the spinaches are fully utilized, not only are leaf areas, fresh weight and plant height of the spinaches increased, but also the content of protein in the spinaches is increased, so that the spinaches are high in nutritional value, the content of tannin in the spinaches is increased, the astringency of the spinaches during eating is effectively reduced, and the content of nitrate in the spinaches is also reduced; furthermore, influence of seasons on spinach planting is avoided, and the method for planting the spinaches in the artificial light type plant factory is significant to large-scale indoor production of edible spinaches.

The invention discloses a method for planting red jujubes, and particularly relates to a method for planting the red jujubes in the north alpine region. The aim of building a direct-seeding red jujube garden is achieved mainly through sowing and seedling raising of tree stacks, variety choice and field management of grafting, grafting of jujube trees, and field management and overwintering management of nursery stocks. According to the method for planting the red jujubes, red jujube industrialization production can be achieved in the north alpine region like Sinkiang and northern Sinkiang regions, in the grafting year, people can harvest the fresh red jujubes of 150-250 kg/mu and obtain a large number of high-quality grafting nursery stocks, the red jujube industry can be developed in a large-scale mode, the north alpine region where the red jujubes can not be planted can also conduct planting, and the method is rapid in effect and high in yield. Particularly, sunlight in the north alpine region is abundant in summer, the temperature difference between day and night is large so as to be beneficial to accumulating carbohydrate, and therefore the produced red jujubes are good in quality and high in yield.

The invention belongs to the field of herbicide-containing plastic mulching films, and particularly relates to a carbon black master batch for herbicide-containing plastic mulching films, which is used in multifunctional agricultural mulching films for weeding, soil moisture preservation and thermal insulation. The invention is characterized in that the carbon black master batch is composed of 40-60 parts by weight of granulating carbon black and 40-60 parts by weight of resin. The melt mass flow rate of the resin is 2-50g/10min, and the resin is used for solving the problem of high dispersity under the condition of high concentration of carbon black. The carbon black is the granulating carbon black of which the micromolecule volatilization amount is at most 0.5% within the temperature and time ranges of the film blowing technique; and the carbon black is selected to control the micromolecule volatilization amount, thereby solving the problems of bubbles, spots pinholes in the blown film product. The concentration of the carbon black in the master batch is up to 40-60%, thereby ensuring the blackness of the herbicide-containing plastic mulching films. The light transmittance is at most 1%, and the haze is at least 25%; and the carbon black master batch has high optical resistance, and completely intercepts sunlight required by photosynthesis of weed growth, thereby achieving the effect of 95% above weeding effect and reducing the environmental pollution.

The invention discloses a cultivation method of Chinese yam using shallow directional PVC boards. The method includes: preparing a field, digging parallel inclined channels on the prepared field, placing the pre-cut shallow directional PVC boards into the inclined channels, filling the inclined channels with filler, leveling the field, and performing fertilizer application and management. The method has the advantages that the advantages such as high day-night temperature difference of shallow soil, looseness and fertility of the soil, adequacy of nutrients and good ventilation are utilized, the PVC boards are used to design U-shaped plastic troughs suitable for the cultivation of Chinese yam, the Chinese yam is allowed to grow and tuberize close to the surface at a certain inclined angle, the factors hindering large-area development of Chinese yam, such as suitable soil type and terrain limitations, high harvesting intensity, difficult in operation of tubers and influence on storage can be overcome, and the production condition that the traditional cultivation is time consuming, labor consuming, low in yield and low in efficiency is changed. The cultivation method has the advantages of wide range of suitable lands, high tuberization speed and ease of harvesting; high-yield efficient cultivation of high-quality Chinese yam is achieved.

The invention discloses a preservation method for a green-husk walnut. The method comprises the following steps: picking up late variety of walnut 10-15 days before the picking time, entering the picked walnut into an onion and garlic preservative to be processed, and then enclosing the green-husk walnut into a preservative bag to be sealed together with a gauze bag filled with a fresh-keeping material; preserving a space of 1/10 to 1/5 in the top of the preservative bag; and putting the preservative bag into a cave or a refrigeration house, of which the temperature is -1 DEG C to 0 DEG C and the relative humidity is 60-70%, to be stored. The preservation method for the green-husk walnut is low in carbon and environmental friendly; and the fruit availability of the green-husk walnut stored by the method can be up to about 95% after the green-husk walnut is stored for 70-100 days.

The invention relates to a method for improving heavy metal contaminated soil by adopting combination of red mud and a liquid film. The method is characterized by comprising the concrete steps of mixing the red mud with the liquid film, applying the mixture into the heavy metal contaminated soil, wherein the mass ratio of the red mud to the liquid film is 5-10% for repairing the heavy metal contaminated soil; simultaneously keeping the moisture content of the soil at 4-5% during the period of crop growth, and keeping the pH of the soil at 6.7-6.9. The concentration of chromium ions is obviously reduced after repairing by adopting the method disclosed by the invention, and the heavy metal contaminated soil is effectively processed.

The present invention provides a system and a method for intelligent regulation and control of day and night temperature difference in an orchard. The objective of the invention is to solve the problem that an orchard is not conductive to achievement of a temperature difference as big as possible in a natural environment. The system comprises a control system, an upper computer, an atomizing device, temperature sensor nodes, humidity sensor nodes, wind speed, wind direction and rainfall sensor nodes, hyperspectral sensor nodes and luminance sensor nodes, and the upper computer, the atomizing device, the temperature sensor nodes, the humidity sensor nodes, the wind speed, wind direction and rainfall sensor nodes, the hyperspectral sensor nodes and the luminance sensor nodes are connected with the control system. The system can achieve the method for intelligent regulation and control of day and night temperature difference in an orchard. The system and the method for intelligent regulation and control of the day and night temperature difference in the orchard can perform atomizing spraying of water in the orchard to increase the day and night temperature difference in the orchard ina general weather condition at summer and facilitate sugar accumulation of fruits, are advanced in technology, low in cost, light in weight and small in size and facilitate popularization and application.

The invention relates to a cassava cultivation method applicable to whole-process mechanical operation. The method includes: rotary tillage and ridging, to be specific, mechanically scarifying a landparcel, smashing soil, smoothening the land surface, and adopting a two-ridge or four-ridge ridger for rotary tillage and ridging to make required ridges, wherein the ridges are in shapes of isoscelestrapezoid, and line spacing between every two adjacent ridges is in a manner of alternate narrow line spacing and wide line spacing; cassava selection; cassava seed stem planting; field management, to be specific, manually completing operation of filling gaps with seedlings and thinning; mechanical completion of intertillage, weeding, fertilization and top dressing; disease and pest prevention and control; harvesting, to be specific, before harvesting, adopting a tractor for traction of a cassava straw smashing and returning machine to realize cassava straw smashing and returning; adopting the tractor for traction of a two-row four-shovel vibratory cassava digger for digging and harvesting. By adoption of the cassava cultivation method, whole-process mechanical operation of the cassava planting industry can be realized beneficially, planting cost is reduced, and the profit rate of the cassava planting industry is increased.

The invention discloses a method for improving pomelo sugar content and quality. The method comprises the steps that a pomelo tree body is coated with a thin layer of covering membrane from late Julyto August every year at the later period of pomelo fruit swelling and 1-1.5 months before fruits are picked, namely in months when there exists more rain water, and the diurnal temperature in the membrane is increased. By means of the method, the diurnal temperature of a pomelo orchard is increased to facilitate the accumulation of sugar content, soluble solids of crystal honey pomelo reaches up to 12.20%-13.40%, the soluble solids of grapefruits reaches up to 12.25%-13.92%, the quality of pomelo fruits which are cultured by rain sheltering membrane coating is more stable, the influence by therain water is extremely low, and better quality is ensured even in years when there exists more rain water.

The present invention discloses a close-planting and high-yield cultivation method for maize. The method comprises the following steps: selecting an excellent hybrid maize variety to carry out wide-narrow row planting, wherein the row spacing is 17 cm, single particle seeding is used in seeding, and the seeding rate is 2.5-3 kg/667 m<2>, and the seeding depth is 5-6 cm; applying an organic fertilizer during the deep ploughing process every autumn; applying 60 kg calcium-phosphorous fertilizer and 7 kg granular potassium fertilizer per 667 m<2> before seeding; performing furrow application of 10 kg diammonium phosphate per 667 m<2> after seeding; topdressing 15kg diammonium phosphate, 20 kg urea and 7kg granular potassium fertilizer per 667 m<2> after maize jointing; applying 25-30 kg urea and 7 kg granular potassium fertilizer per 667 m<2> at tasseling stage; applying 10-15 kg urea per 667 m<2> at 30-40 days after silking; spraying 20-30 mL maize roborant per 667 m<2> at maize jointing stage; preventing and controlling plant diseases and insect pests; and harvesting the maize. According to the close-planting and high-yield cultivation method for maize disclosed by the present invention, the maize yield per unit area can be improved.

The invention relates to a planting method of turnip cabbage in spring. The method comprises the steps of field selection, field preparation, seedling raising, management at the seedling period, transplantation and field planting, field management, prevention and control of diseases and pests and timely harvesting. During seedling raising, variety selection, seedling bed preparation, seed treatment and sowing are conducted; during field management, watering and timely topdressing are conducted. Through scientific management of all the links, the safety and quality of turnip cabbage are guaranteed, and the edible taste is good. According to the method, during field management, watering is conducted at different stages, a small amount of water is adopted, the watering frequency is high, thewatering time intervals and watering amounts of all times are uniform, and cracking or malformation of succulent stems is effectively avoided. Meanwhile, according to the growth period of turnip cabbage, topdressing is conducted, nutrient components required during growth are sufficiently guaranteed, and the situation is avoided that seedling burning is caused by one-time overfertilization; quickgrowth of turnip cabbage is promoted, the strength and resistance of root systems are improved, the occurrence rate of diseases and pests is lowered, the yield of turnip cabbage is increased, and thequality of turnip cabbage is improved.

The invention relates to blueberry cultivation methods, in particular to a two-stage blueberry cultivation method in a high altitude region. In the first stage, blueberry seedlings are cultivated in amiddle-low altitude region, and in the second stage, blueberries are transplanted in the high altitude region. It is achieved that the high yield of blueberries in the high altitude region is achieved, and higher economic benefits are obtained.

The invention discloses unadulterated raspberry wine and a production method thereof. The unadulterated raspberry wine is prepared from the following effective components in parts by weight: 84000 -86000 parts of raspberry fruits, 14000-15000 parts of honey, 40-100 parts of fructus schisandrae chinensis and 40-100 parts of mangnolia officinalis. The brewing method comprises the steps of removing stems of screened raspberry berries, crushing, squeezing, and pouring into a fermentation tank, carrying out alcoholic fermentation at low temperature, clarifying to remove sediments, carrying out membrane filtration at low temperature, blending honey and traditional Chinese medicines, carrying out secondary clarification and filtration, packaging and sterilizing to finally obtain the unadulterated raspberry wine. According to the unadulterated raspberry wine and the production method disclosed by the method, the honey and traditional Chinese medicines are blended and added, and a special fermentation means is utilized, so that the unadulterated raspberry wine has pure flavor and strong fruit taste, and people can absorb various nutrient substances in the raspberry more easily.

The invention relates to a blueberry cultivation method, in particular to a blueberry cultivation method in high-altitude areas. The method comprises: blueberry varieties with strong cold resistance are selected and the seedlings are cultivated for 2 to 3 years by conventional methods, and the plants with 1 m above and main stem diameter as above 0.01 m are selected, the strong plants with three or more branches are used as the blueberry transplanting seedlings; and then the transplanting seedlings are transplanted to the high-altitude area with the altitude of more than 2600 m according to the planting density of 0.5 to 1m, and the row spacing of 1.0 to 2.0m. Through rational close planting, the higher yield is realized, and the time difference can be used to make up for the market spaceperiod, and the price of fresh fruit is high, and the better economic benefit is brought to the planting of the blueberries in the lower altitude area than in the middle and low altitude areas.

The invention provides a square watermelon cultivation device, and belongs to the technical field of watermelon cultivation. The square watermelon cultivation device comprises a first side plate, a second side plate, a third side plate, a fourth side plate, a top plate and a bottom plate, and further comprises a temperature detection piece, a temperature adjusting piece and a first controller. When solar illumination intensity detected by an illumination intensity sensor is larger than first preset illumination intensity, the first controller controls the temperature adjusting piece accordingto a real-time temperature detected by the temperature detection piece so as to enable the temperature in the square container to be a first preset temperature; and when solar illumination intensity detected by the illumination intensity sensor is smaller than second preset illumination intensity, the first controller controls the temperature adjusting piece according to the real-time temperaturedetected by the temperature detection piece so as to enable the temperature in the square container to be a second preset temperature; and the first preset temperature is larger than the second presettemperature, so that the temperature difference between day and night is large, growth of the watermelons is facilitated, accumulation of sugar in fruits is facilitated, and quality of the square watermelons is improved.

The invention relates to a tea tree cultivation technique. The agricultural film is used to cover the top of the tea tree in semi-enclosure mode. The tea tree cultivation technique has little production cost and convenient operation, in favor of increasing the tea yield and quality.

The invention discloses a new planting method of environment-friendly and off-season famous tea in the south of the Yangtze River, which includes the steps of pre-preparation, reclamation, pruning, flooding, fertilizing to create a tea garden microclimate for sprouting. The object of the present invention is to provide a method for managing and planting tea gardens against seasons in the south of the Yangtze River. In the low-altitude south of the Yangtze River tea areas below 300 meters above sea level, a new method for planting environmentally friendly and out-of-season famous teas in the south of the Yangtze River is produced, so as to fill the gap in early winter. There is a gap in the market for famous and high-quality tea, and a new season of tea will be added to increase the benefits of tea farmers.