31results about How to "Lower EC value" patented technology

The invention discloses a composite plant culturing medium pH and EC regulator comprising bamboo/wood vinegar, humic acids, and brown sugar. According to the invention, the composite medium regulator is prepared from natural non-polluted easy-degradation raw materials with wide sources. With the composite medium regulator, physical and chemical properties of culturing media can be improved, the pH and EC values of the culturing media can be reduced, and the utilization rate of nutrients can be improved. The regulator provided by the invention can be used for replacing natural regulators with short-term effects and artificial regulators with high prices. With the regulator provided by the invention, a problem of relatively high pH and EC values of culturing media (peat, grass peat, and soil) in agricultural productions, forestry productions and floriculture can be solved, and a problem of relatively high costs of common high-molecular compounds can be solved.

The invention discloses ecological organic biofertilizer and its preparation method and use. The ecological organic biofertilizer comprises, by weight, 10-15 parts of a mixture of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, 20-50 parts of an organic material subjected to fermentation decomposition, 15-30 parts of calcium-magnesium-silicon-potassium fertilizer and a nitrogen-fixing microorganism agent and/or a phosphate-solubilizing microorganism agent, wherein a ratio of the nitrogen-fixing microorganism agent and/or the phosphate-solubilizing microorganism agent to the ecological organic biofertilizer is in a range of 0.2-5.0%. The ecological organic biofertilizer can improve soil physical and chemical properties, improves a soil loosening degree after use and improves drought resistance and water retention capacities.

A method of preparing a plant cultivation medium by utilizing agriculture and forestry waste and the prepared cultivation medium are disclosed. The method includes 1) spraying the agriculture and forestry waste with water to adjust the water content of the agriculture and forestry waste, and 2) adding a fermentation catalyst, a microbe agent and brown sugar into the agriculture and forestry waste, fully stirring and fermenting. The plant cultivation medium is balanced in nutrition, high in nutrient contents, reasonable in structure, stable in physical properties, and convenient for plant absorption, meets plant growth needs and increases the survival rate of plant cultivation and ornamental effects.

The invention discloses a method used for improving soil with kitchen waste compost. The method comprises steps such as biochar absorption of hydrogen peroxide, kitchen waste solid-liquid separation,mixing of dipped biochar and kitchen waste residue, mixing of decomposed forestry and agricultural residues and a waste residue 2, secondary composting fermentation, forming of kitchen waste fertilizer, preparing of mixed soil, and preparing of back filling soil. According to the method, hydrogen peroxide is adopted in the composting process, desulfurized gypsum powder is added in the step of preparing of back filling soil. The using of hydrogen peroxide is capable of improving the oxygen supply conditions in aerobic composting process, improving the salt leaching effect of the desulfurized gypsum powder, increasing the germination index of improved soil in plant growth utilization, and improving the compost improved soil quality comprehensively.

The invention discloses a soil conditioner for improving acidification and salinization of soil. The soil conditioner is composed of biochar and vinegar lees at a mass ratio of (0.8-1.2):(0.8-1.2). The soil conditioner is added to the soil at a weight ratio of 3-5%, and can be used for improving acidified and/or salinized soil. Through the soil conditioner, the pH value of the soil can be increased, the EC value of the soil can be reduced, the urease and phosphatase activity of the soil can be improved, and the physical and chemical properties can be improved; and in addition, the photosynthetic ability of lettuce can be improved, the lettuce quality can be improved, and the lettuce yield can be increased. Above all, the soil acidification and secondary salinization hazards can be reducedthrough the method, the crop quality and yield can be increased, resources can be recycled, and environmental protection and high efficiency, cost saving and significant effects can be achieved.

The invention relates to the technology of seedling raising of vegetables and in particular provides a formula substrate for industrialized seedling raising of vegetables. The formula substrate for industrialized seedling raising of vegetables contains 950-1050L of turf, 160-180L of perlite, and 20-30L of water. Turf, perlite and water are mixed uniformly by using a special mixer for vegetable seedling raising substrates and are bagged for later use. The EC value is 0.3-0.5mS.cm<-1>. The concentration of a nutrient solution varies from 50ppm to 250ppm with the types of seedling raising and different growth periods and vigor. The formula substrate for industrialized seedling raising of vegetables facilitates water absorbing and rapid growth in periods of seed germination and seedling cotyledon of vegetables and has the advantages of uniform seedling germination, high growth speed and high sound seedling index.

The invention relates to a method for producing forage maize in an underground water overexploitation restraining two-cropping region, and belongs to the technical field of agriculture. The productionmethod includes adopts a one-year-one-season forage maize planting mode or a white wheat-forage maize two-cropping planting mode, can lower the underground water overexploitation demand of high waterconsumption of white wheat to the greatest extent, can lower the demand for maize seeds, can utilize the advantages of the forage maize as fodder to sow the maize seeds before a rainy season is coming, can preferably water the maize with desalted pool water in a drought season, can ensure the high rate of emergence, can fully allow the forage maize to grow up in heavy rainfall months, can use thedesalted pool water to water the forage maize in the drought season, can determine the harvesting period according to the factors such as illumination, the accumulated temperature, the milk-filling degree, and the ensiling condition, can ensure the maximum benefit of forage maize planting, and can achieve dual objectives of benefits of the forage maize and water conservation.

The invention relates to the technical fields of fertilizers and processing techniques of the fertilizers and particularly relates to an ammonium phosphate sulfate slow release fertilizer for improving the soil structure of saline-alkali soil and a preparation method of the ammonium phosphate sulfate slow release fertilizer. According to the preparation method, liquid-state elemental sulfur is uniformly distributed into diammonium phosphate with a neutralization degree of 1.3-1.4 until the sulfur content of diammonium phosphate is 8%-13%, so that the pH value and EC value of soil are decreased, the secondary salinization of soil is prevented, and the phosphorus availability of soil is improved; the fertilizer is prepared by virtue of diatomite, so that the utilization rate of air nitrogenis increased; the sustained release of an ammonium phosphate finished product is realized, so that the utilization rates of nitrogen and phosphorus are increased; and meanwhile, the diatomite has adsorbability and is capable of adsorbing soil microorganisms and can be decomposed under the effect of the microorganisms, so that effective elements can be released.

The invention relates to the field of fertilizer application methods, in particular to a fertilizer application reduction method for improving the yield and quality of plateau muskmelons. The method includes the steps of A, applying pond fertilizer; B, conducting topdressing before muskmelon planting; C, conducting topdressing after muskmelon planting. Under the condition of remarkably reducing the fertilizer application amount, the yield per mu of the muskmelons and the sugar content of the muskmelons are high, the utilization rate of the muskmelons for N, P and K fertilizer and the absorption rate of the muskmelons for N, P and K nutrients are remarkably reduced, and rhizosphere soil salinity is remarkably reduced, and outstanding economic benefits and ecological benefits are achieved.

The invention discloses a method for improving soil by rice field-upland field rotation of leaf vegetables and aquatic vegetables, and relates to the field of agricultural planting. The method comprises the following steps: step 1, performing planting of aquatic vegetables in a dry land where xerophyte crops are planted for a long time from July to December in Hainan, performing planting of a season of leaf vegetables after planting a season of aquatic vegetables in the same year, and repeating the steps for three times, wherein complete random block arrangement is adopted for each planting. The aquatic vegetables comprise watercress, cress, water spinach and watercress. The leaf vegetables comprise flowering cabbages, Chinese cabbages and pakchoi cabbages, the EC value, the pH value, theanion content and the cation content of plough layer soil are all improved through the method, and the improvement effect is obvious.

The invention discloses a seedling substrate based on wormcast and application of the seedling substrate, the wormcast, mushroom dregs, turf and perlite are used as materials, and the optimal formula of the seedling substrate for cherry tomatoes, peppers and cowpeas is researched and developed as follows: mushroom dregs: turf: perlite: earthworm cast = 35: 35: 20: 10 (V/V) + 2g/L calcium superphosphate, mushroom dregs: turf: perlite: earthworm cast = 35: 35: 20: 10 (V/V), and mushroom dregs: turf: perlite: earthworm cast = 35: 35: 20: 10 (V/V) + 3g/L calcium superphosphate. Under the optimal formula, the seedling strengthening indexes of the cherry tomato seedlings, the pepper seedlings and the cowpea seedlings are respectively improved by 26.0%, 43.9% and 8.5% compared with those of commercial substrates. According to the wormcast-based seedling culture substrate, the EC value and the dry bulk density of the seedling culture substrate can be reduced, and the quick-acting P nutrient and the water retention capacity are improved.