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

The invention discloses a technology for growing bananas on hillsides. The technology comprises the following steps: ploughing the field on mountain land of which the altitude is 200-600 meters, the gradient is less than 25 degrees, the annual accumulated temperature is higher than or equal to 7,000 DEG C, the soil structure is loose and the organic matter content is 1-5 percent along the contour line around a mountain or near the mountain; digging planting holes or planting grooves on the field to plant banana seedlings; building an equal-altitude cableway on the field, erecting a water and fertilizer conveying pipeline on the cableway, connecting a road pipe with a water source and a fertilizer source, and connecting the water and fertilizer conveying pipeline with the banana holes or the banana grooves through branch pipes; performing daily field management on the bananas at the growing period till the bananas become mature; harvesting mature bananas in a falling-free way, and conveying the bananas to a loading point or a storage point along the equal-altitude cableway by using a pulley yoke for loading or storing. According to the technology, the technical effect of large-scale, standard and industrial planting on mountain land is realized, produced bananas are high in quality and yield, the growing period of the bananas on the mountain land is over 40 days long in comparison to coastal regions, mountain grooving, mountain landslide and mud-rock flow caused by rainstorm are avoided, and conservation of water and soil and maintenance of ecology are facilitated.

The invention provides a planting method of edible sweet potato, comprising: selecting strong seedlings, preparing a land, applying fertilizers, ridging, transplanting seedlings of sweet potato, perforating mulching film, carrying out positional oblique planting, carrying out drip irrigation before and after transplanting, managing a field, disinfecting, weeding, providing chemical control, picking leaves twice, harvesting tubers of sweet potato, and storing the tubers. The planting method has the advantages that the great ridge height allows the activity range to be widened for roots and tubers of sweet potato and the day-night temperature differences of soil at the ridges to be increased; the great ridge spacing helps increase photosynthetic efficiency of leaves and reduce competition ofunderground tubers for nutrition; performing the mulching film to carry out positional transplanting of the seedlings of sweet potato helps increase the survival rate of the seedlings and increase the yield of sweet potato; drip irrigation tapes spread among the ridges for drip irrigation ensures sufficient moisture; field management, pest and disease prevention and chemical control management help increase the yield of sweet potato.

A dry direct seeding and sprinkling irrigation cultivation method of rice in hillside non-ridge fields relates to the field of rice planting and solves the problem that an existing rice planting process has high labor consumption and water waste. The method of the invention comprises: preserving whole seedlings at a time, and sowing to a depth of 1-2 cm; covering, to be specific, in post-sowing seedling stage, covering soil with 300 ml / mu of butralin or 250 ml / mu of pendimethalin; disinfesting, to be specific, when young seedlings grow with one leaf and one core or two leaves and one core, spraying 500-600 ml / mu of 34% propanil emulsifiable concentrate; applying both seeds and fertilizer, wherein no topdressing is applied after single fertilizer application; performing sprinkling irrigation in water-requiring sensitive stage, and applying water stress in other growth stages, wherein sprinkling irrigation is performed separately in the stage of seedlings growing with 4.5 leaves, the stage of seedlings growing with (N-n+1) leaves, the stage of seedlings growing with two inverted leaves, and the full heading stage, and sprinkling quantity is not less than the rainfall of 30 mm each time, wherein N refers to total leaf age, n refers to stem internode number, and n=N / 3. The method of the invention has low labor consumption and water consumption and provides improved quality.

The invention discloses a high-efficiency high-yield cultivation method of golden-autumn citrus shatangju. The method comprises the following steps: step 1, selecting a site, concretely selecting a place with convenient transportation and sufficient irrigation water source, and selecting sandy land with loose soil texture and good illumination and drainage for building a citrus garden. According to the cultivation method provided by the invention, the citrus garden is built on the sandy land; fallen leaves of broad-leaf trees are laid at the bottom of planting pits; the fallen leaves are covered with dry and loose fine river sand; and seedling roots watered with root fixing water are covered by using dry grass and fallen leaves, so that the temperature difference between day and night of the environment of the planting soil and the seedling roots is increased, the sugar content of fruits is increased, and the taste is improved. Before planting, deep ploughing and land sunning are carried out on the land by using manure of pigs, cattle and sheep, pond mud and quick lime, so that the cultivation layer of soil is thickened, the water storage and water retention ability of the soil isimproved, soil anthropogenic mellowing is promoted, nutrient decomposition and accumulation are accelerated, a thick and deep ploughing layer is provided for fruit and vegetable growth, and the growthspeed and yield of fruit trees are improved.

The invention discloses a method for intensifying illumination on grapes, belongs to a grape planting method and aims to provide a grape planting method which can improve the illumination intensity and can adjust soil temperature and moisture as well. Soil around a grape tree is covered with smooth slate, and soil within the radius of 40-50 cm around the grape tree is naked. The temperature difference of the soil in the day and at night can be enlarged, growth of the grapes is facilitated, the taste is improved, and the method is suitable for grape planting.

The invention relates to a twice bagging method for apples and belongs to apple management methods. The twice bagging method for apples includes steps of first-time bagging and second-time bagging, each of the first-time bagging and the second-time bagging includes fixing fruits, selecting fruit cultivation bags or fruit bags, bagging, removing the bags or harvesting, time interval of the first-time bagging and the second-time bagging is longer than 140 days, and time interval of first-time bag removal and second-time bagging is 20 days to 25 days. By means of twice bagging, apple harvesting time can be prolonged, fruit coloration is benefited due to large diurnal temperature difference in the harvesting time, and the higher skin pigment, the higher sugar degree, the better taste. The problems of fruit seaminess and low fruit sugar degree, poor mouthfeel and bad taste of apples in once bagging are solved while the problems of roughness of fruits and poor surface perfection of the fruits due to prolonging of the harvesting time in once bagging of the apples are solved as well. Therefore, fruit quality is improved, economic benefits are multiplied, and a solid foundation is laid for apple quality transformation, upgrading and grade raising.

The invention relates to a method for planting corn by utilizing a golden section proportion. The method is characterized in that: a quasi-maximum row spacing and a quasi-minimum row spacing meet the following conditions: the sum of the quasi-maximum row spacing and the quasi-minimum row spacing is equal to two times an average row spacing, and the ratio of the quasi-maximum row spacing to the quasi-minimum row spacing is 1:0.618; after the values of the quasi-maximum row spacing and the quasi-minimum row spacing are calculated, an actual maximum row spacing and an actual minimum row spacing are determined; a quasi-maximum plant spacing and a quasi-minimum plant spacing meet the following conditions: the sum of the quasi-maximum plant spacing and the quasi-minimum plant spacing is equal to two times an average plant spacing, and the ratio of the quasi-maximum plant spacing to the quasi-minimum plant spacing is 1:0.618; after the values of the quasi-maximum plant spacing and the quasi-minimum plant spacing are calculated, an actual maximum plant spacing and an actual minimum plant spacing are determined. The operation is simple, any production cost is not increased, and by the reasonable layout of the row spacing and the plant spacing, field light, temperature and air conditions are remarkably improved, thereby achieving the aim of yield increase.

The invention discloses a high-ridge flat planting method for astragalus membranaceus. The high-ridge flat planting method comprises the following steps: (1) land selection; (2) land preparation; (3)ridging, flat placement and transplanting: from the middle of March to the middle of April, before transplanting, a 1200-1400-fold hymexazol solution is used for dipping roots of astragalus membranaceus seedlings which are not smaller than 30 cm in length, smooth in surface, free of disease spots and free of damage and selected to be transplanted, during transplanting, the ridge height ranges from20 cm to 25 cm, single-ridge double-row crossed transplanting is conducted, reed heads of the astragalus membranaceus seedlings are placed outwards, the number of seedlings used per mu ranges from 15000 to 17000, and the seedling using amount per mu ranges from 80 kg to 120 kg; (4) water and fertilizer management; (5) control over diseases, insect pests and weeds; and (6) digging. According to the high-ridge flat planting method for astragalus membranaceus, ridging is uniform, flat placement is achieved, precise seedling discharging is achieved, underground diseases are reduced, and high-yield and high-quality astragalus membranaceus can be harvested.