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80results about How to "Well developed root system" patented technology

Method for improving germination rate of tobacco floating seedling seeds and strengthening seedlings

The invention relates to the field of tobacco floating seedling and aims to provide a method for improving the germination rate of tobacco floating seedling seeds and strengthening seedlings. According to the method, a thallus of plant root endophytic fungus piriformospora indica, which is cultured by using a liquid medium, and a culture filtrate are uniformly mixed with a tobacco seedling substrate, and the germination rate of the tobacco floating seedling seeds is improved and the growth and stress tolerance of tobacco seedlings are promoted by using the thallus of piriformospora indica and the substances released by the thallus in the culture filtrate. The method provided by the invention is simple, convenient and feasible, and according to the method, the piriformospora indica is cultured by using a conventional method, standard rules are used for performing substrate mixing, tray filling, sowing, floating seedling, seedling exercising and transplantation, and the manner of inoculating the piriformospora indica is matched with the rules for floating seedling. By using the method provided by the invention, the germination rate of the tobacco seeds can be improved; root systems of tobacco seedlings are assisted to tolerate low-oxygen stress, so that the root systems of the tobacco seedlings are developed and the root dry weight is increased; the roots are assisted to absorb nutrients, so that the growth of the tobacco seedlings is promoted, the stems of the tobacco seedlings are thickened, the diameter of the stems is increased, and the plant height is increased; and the survival rate of the tobacco seedlings after transplantation is improved.
Owner:ZHEJIANG UNIV +1

Method for remediating acid/heavy metal cadmium composite polluted soil by using Pennisetum hydridum

The invention discloses a method for remediating acid/heavy metal cadmium composite polluted soil by using Pennisetum hydridum. The method comprises the following steps: plowing polluted soil, and planting Pennisetum hydridum in low ridges from March, wherein irrigation and fertilizer application are performed or not performed in the complete growing season; and three months after planting, starting reaping the aerial part of Pennisetum hydridum once a month, incinerating the reaped substance by a conventional method, and extracting the heavy metal and fertilizer, thereby achieving the goal of remediating acid/heavy metal cadmium composite polluted soil. Pennisetum hydridum is a perennial herb; and by continuously planting the Pennisetum hydridum on the heavy metal cadmium polluted soil and continuously reaping the aerial part, the heavy metal cadmium in the soil is continuously extracted and transferred, and the pH value of the soil is changed until the soil achieves the environmental safety standard. The Pennisetum hydridum, which has the advantages of high biomass of the aerial part and developed root system, can absorb and fix abundant heavy metals, can retain water and protect soil, enhances the green level of the polluted area, and has favorable economic benefit, social benefit and ecological effect.
Owner:SCI RES ACADEMY OF GUANGXI ENVIRONMENTAL PROTECTION

Method for remediating acid/heavy metal lead composite polluted soil by using Pennisetum hydridum

The invention discloses a method for remediating acid/heavy metal lead composite polluted soil by using Pennisetum hydridum. The method comprises the following steps: plowing polluted soil, and planting Pennisetum hydridum in low ridges from March, wherein irrigation and fertilizer application are performed or not performed in the complete growing season; and three months after planting, starting reaping the aerial part of Pennisetum hydridum once a month, incinerating the reaped substance by a conventional method, and extracting the heavy metal and fertilizer, thereby achieving the goal of remediating acid/heavy metal lead composite polluted soil. Pennisetum hydridum is a perennial herb; and by continuously planting the Pennisetum hydridum on the heavy metal lead polluted soil and continuously reaping the aerial part, the heavy metal lead in the soil is continuously extracted and transferred, and the pH value of the soil is changed until the soil achieves the environmental safety standard. The Pennisetum hydridum, which has the advantages of high biomass of the aerial part and developed root system, can absorb and fix abundant heavy metals, can retain water and protect soil, enhances the green level of the polluted area, and has favorable economic benefit, social benefit and ecological effect.
Owner:SCI RES ACADEMY OF GUANGXI ENVIRONMENTAL PROTECTION

Special microbial fertilizer for nursery stocks

The invention discloses a special microbial fertilizer for nursery stocks, relates to an agricultural fertilizer and an organic fertilizer production technology, and belongs to the technical field of agro-biological engineering. The special microbial fertilizer is disclosed against problems existing in the prior art, accords with practical demands of the agricultural production, and can reach the purposes comprising nursery stock per-unit area yield improvement, nursery stock quality improvement, and nursery stock planting economic benefit increase. The special microbial fertilizer is characterized in that a preparation method of the special microbial fertilizer comprises the following steps: respectively culturing nodule bacteria, Azotobacter chroococcum, Bacillus megatherium and Bacillus mucilaginosus to obtain fermentation seeds; disinfecting a production culture medium in a fermenting tank at 121DEG C for 20min, inoculating the above bacterial strain seeds to the culture medium when the temperature of the culture medium drops to about 33DEG C, and fermenting at 31-35DEG C under an aerobic condition for 24-30h to obtain the composite microbial fertilizer. The number of effective live bacteria in the microbial fertilizer is not lower than 5*10<9>/mL, and the number of each kind of the above bacteria is not lower than 3*10<8>/mL.
Owner:何聪

Spent mushroom substrate tobacco seedling nursery substrate and preparation method thereof

InactiveCN103319251AStrong tobacco seedlingsWell developed root systemFertilizer mixturesRoot systemMushroom
The invention discloses a spent mushroom substrate tobacco seedling nursery substrate and a preparation method thereof. The spent mushroom substrate tobacco seedling nursery substrate comprises the following components in parts by weight: 60-80 parts of mature spent mushroom substrate, 20-40 parts of bonded silica sand and a tobacco floating seedling nursery nutrient solution. According to the preparation method disclosed by the invention, after the mature spent mushroom substrate and the bonded silica sand are mixed, the mixture is jointly used with the special tobacco floating seedling nursery nutrient solution as the tobacco seedling nursery substrate, through the way, a substitute for a grass carbon type tobacco seedling nursery substrate can be provided, tobacco seedlings obtained by nursery are robust and tidy, a root system is advanced, and the effects are better than the existing grass carbon type substrate. The spent substrate is composted and fermented mature bacterial residue, the bonded silica sand is natural weathered bonded silica sand, and the two raw materials have the advantages of extensive sources, convenience in taking the materials, low cost, and simple assembly. Therefore, by popularizing and using the spent mushroom substrate tobacco seedling nursery substrate disclosed by the invention, the seedling nursery cost can be reduced, and the exploitation of grass carbon resource is further avoided for being conductive to environmental protection.
Owner:GUIZHOU INST OF SOIL & FERTILIZER

Treatment method of treating cadmium contaminated water

The invention relates to a treatment method of treating cadmium contaminated water, and relates to a treatment method of contaminated water. The treatment method comprises the following steps of: planting one or two of a cadmium hyperaccumulator plant, namely nightshade, and leaf beta vulgarisvar.cicla into water to be treated; activating and absorbing cadmium contained in the contaminated water; continuously extracting the cadmium contained in the contaminated water by continuously and regularly collecting and replacing the plants till the cadmium content of the water achieves a safety standard; and culturing nightshade and leaf beta vulgarisvar.cicla plants: yielding the nightshade and leaf beta vulgarisvar.cicla plants through seed germination and greenhouse culture. One or two of the nightshade and the leaf beta vulgarisvar.cicla is or are planted in the water to be treated, and a planting method comprises the following steps of: planting the plants into a floating bed, wherein roots directly contact with the contaminated water through small holes drilled on the floating bed; and continuously and regularly collecting and replacing the plants, and collecting and replacing the plants for one time every 15-20 days till the cadmium content of a water body achieves the safety standard. According to the invention, the two plants have the advantages of hyperaccumulation capacity on the cadmium, root system upgrowth, vigorous growth, easiness for propagation and higher biomass, so that the cadmium contaminated water body is efficiently restored.
Owner:SHENYANG UNIV

Olive cuttage seedling cultivating cuttage bed and cuttage seedling cultivating method

The invention relates to the technology of cuttage seedling cultivating, in particular to an olive cuttage seedling cultivating, and discloses an olive cuttage seedling cultivating cuttage bed. The olive seedling cultivating cuttage bed is composed of a U-shaped water tank type tank cuttage bed, a mesh-shaped seedling cultivating container support and a plastic film support. A cuttage seedling cultivating method includes the steps of cutting slip preparation, cuttage, post-cuttage management, bagging, transplantation and the like. According to the seedling cultivating cuttage cuttage bed and the cuttage seedling cultivating method, the cuttage rooting percentage can reach 100% at most on the fiftieth day, the average rooting percentage can reach 99.1%, the number of adventitious roots can be obviously increased after rotting agents are used for processing roots from the aspect of rooting quality, and the average number of adventitious roots of each cutting slip can reach 11.2. No manual management is needed after cuttage, no heating device is needed, only a small amount of tap water needs to be injected, the rooting time is short, bagging can be conducted 45 days to 50 days later, the root system is good in development, the number of lateral roots is large, the texture is hard, and the transplantation survival rate is high.
Owner:昆明市海口林场

Stress-resistant organic soil conditioner with biological stimulation effect and preparation method thereof

The invention belongs to the technical field of soil improvement, in particular to a stress-resistant organic soil conditioner with a biological stimulation effect. The organic soil conditioner includes following components: 10 to 60 parts of silicon-calcium powder, 30 to 50 parts of biomass fertilizer, 10 to 20 parts of humic acid, 15 to 25 parts of chitosan, 10 to 20 parts of bentonite, 5 to 10parts of alginic acid solution, 6 to 16 parts of amino acid solution, 6 to 12 parts of animal viscera fermentation liquor, 4 to 6 parts of water locking agent, 0.2 to 0.7 part of magnesium sulfate, 0.02 to 0.06 part of biological flora and 0.3 to 0.7 part of brassin. The invention further relates to a preparation method of the stress-resistant organic soil conditioner with the biological stimulation effect. The preparation method includes: mixing the raw materials and then performing high-tower granulation to obtain the soil conditioner. The soil conditioner disclosed by the invention containsa large amount of active effective silicon nutrition, combines various marine organism source growth promoting factors such as alginic acid and the like, nourishes root systems, promotes root systemgrowth, improves root system vitality, and enhances stress resistance such as drought resistance, disease and pest resistance and continuous cropping resistance of crops.
Owner:QINGDAO AGRI UNIV +1

Breeding method for Taiwania flousiana non-woven fabric light-matrix sowing seedlings

The invention discloses a breeding method for Taiwania flousiana non-woven fabric light-matrix sowing seedlings. The breeding method comprises the following specific steps: mixing coconut shell powder, peat, a water-retaining agent and humic acid to prepare a non-woven fabric light-matrix nutrition cup; soaking with a 0.1-0.5% of potassium permanganate solution for 30-60 minutes before sowing, washing with clean water, soaking seeds by using hot water with the temperature of 40-50 DEG C, changing water to continue soaking for 24-48 hours after naturally cooling, after the seeds are washed with clean water, placing the seeds in a germination accelerating machine for germination accelerating at the temperature of 25-30 DEG C; after white buds of the seeds come out, dibbling into the light-matrix nutrition cup, and covering with a thin film; spraying chlorothalonil for one time and covering with a sunshade net after Taiwania flousiana seedlings grow, fertilizing for one time every other 10-20 days after lateral roots of the seedlings penetrate the bottom of the cup, classifying the seedlings on a seedling tray when the height of the seedling is 5-10 cm, starting to carry out seedling hardening at the end of 2011, and outplanting after the seedling hardening. The Taiwania flousiana seedlings cultured on the light-matrix nutrition cup have developed root systems and are thick and strong, the transportation cost and forestation cost can be reduced as the matrixes are light, and light matrixes of plants which do not survive can be recycled; the germination accelerating rate is high, the germination consistency is better, and the seed germination rate of Taiwania flousiana seeds is effectively increased.
Owner:BAODING UNIV
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