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99results about How to "High yield production" patented technology

Centralized secondary fermentation method for agaricus bisporus

The invention discloses a centralized secondary fermentation method for agaricus bisporus. The culture medium comprises the following raw materials in parts by weight: 45-60 parts of forage, 35-50 parts of chicken manure, 2-8 parts of gypsum and 3-10 parts of oil cakes. The method comprises the following steps of: uniformly spreading forage in a pre-wetting pool for pre-wetting for 2-5 days; adding chicken manure, gypsum and oil cakes and uniformly and adequately mixing; filling the mixed fermentation material in a ventilating floor in a primary fermentation tunnel, and conveying fresh air to the fermentation material through a fan; fermenting for 4-6 days and transferring the fermentation material to another primary fermentation tunnel. The base material of the primary tunnel fermentation is uniformly stacked on the ventilating floor in a secondary fermentation tunnel, and the temperature of the fermentation material is controlled by operation of the fan. Secondary fermentation comprises the following steps: a balancing stage, a heating stage, pasteurization, cultivation at constant temperature and discharge at low temperature. According to the method, local wheat straw hoods, straws, chicken manure and the like are used as main raw materials to form the culture medium. Centralized scaled production cultivation materials are formed by the technology of pre-treatment of the raw materials, primary fermentation and secondary fermentation.
Owner:SICHUAN MAOSEN BIOLOGICAL SCI & TECH

Bipolar membrane electrodialysis method for preparing hypophosphorous acid from sodium hypophosphite

The present invention discloses a bipolar membrane electrodialysis method for preparing hypophosphorous acid from sodium hypophosphite. The method comprises the following steps: (1) a sodium hypophosphite aqueous solution with a mass fraction of 10 wt%-30 wt% is prepared; (2) the sodium hypophosphite aqueous solution is added into a material liquid tank; 3 wt% of a sodium sulfate solution is addedinto an electrode liquid tank; and pure water at equal volume is added into an alkali tank and an acid tank; (3) a bipolar membrane electrodialysis device is turned on; voltage is controlled at 10 V-25 V; reaction temperature in each compartment is controlled to be 20 DEG C-40 DEG C for electrodialysis; and end of reaction is reached when content of hydrogen ions titrated by a sodium hydroxide standard solution in an acid chamber is no longer increased; and (4) a hypophosphorous acid solution in the acid tank is taken to be concentrated and crystallized to obtain hypophosphorous acid crystals. The whole technology basically realizes zero discharge. The hypophosphorous acid prepared by the provided bipolar membrane electrodialysis method has high yield. The bipolar membrane electrodialysismethod has remarkable environmental benefits and economic benefits.
Owner:ZHEJIANG UNIV OF TECH

Rice yield-increasing cultivation method

The invention discloses a rice high-yielding cultivation method applicable to arid environment of Xinjiang and belongs to the technical field of paddy planting and cultivating. According to a rice yield-increasing cultivation method disclosed by the invention, advanced agricultural cultivation techniques are integrated, and mechanized film laying, drip irrigation zone laying and precision dibbling are completed in one time; and drip irrigation is implemented in a whole growing period, and fertilizer application is completed along with drip irrigation as required. By the technology, warming and soil moisture preserving can be achieved, the growth and development of paddy are promoted, and the ripening period is advanced by 10-15 days; by film mulching, weeds under films cannot grow, and a weeding procedure is avoided or reduced; due to the precision dibbling, trouble caused by artificial thinning and final singling is avoided; and in the whole growing period, fertilizer and water management is carried out according to the water and fertilizer needing rules and requirements of the paddy, so that water and fertilizers are saved. The technology disclosed by the invention has the characteristics of high integrated artificial controllability, precise cultivation and remarkable yield increasing effect, is beneficial to high-quality production and quality guarantee and is a cultivating mode for achieving the mechanized, large-scale, modernized, simplified and high-efficiency production of rice.
Owner:INST OF GRAIN CROPS XINJIANG ACAD OF AGRICLTURE SCI +1
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