Application of nitrogen-fixing blue-green algae to improvement of emergence quality of seed sweet potatoes
A technology for nitrogen-fixing cyanobacteria and sweet potatoes, which is applied in the direction of seed coating/seed dressing, etc., can solve the problems of long time consumption and high labor cost, and achieve the effects of short time consumption, fast processing and obvious increase in production
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Embodiment 1
[0030] Nitrogen-fixing Anabaena 119 (provided by Wuhan Institute of Hydrobiology, Chinese Academy of Sciences) was inoculated in BG11 nitrogen-deficient medium, and cultured at 28°C, 150r / min, light of 60000-80000lx, and light-dark cycle of 12h-12h. After 7 days, the seed solution was obtained; then the seed solution was poured into the small pond set in the greenhouse for large-scale cultivation, and the temperature in the greenhouse was kept at about 30-35°C; after 5 days of expansion cultivation, the nitrogen-fixing Anabaena could be collected.
[0031] After collection, press filter to remove most of the water in nitrogen-fixing Anabaena to obtain wet algae with a water content of 40-60%; then spread the wet algae on a tray and place it in an oven at 35°C until the water content drops to 8-10% to obtain dry algae; after cooling, crush the dry algae with a grinder; first heat the water to 70°C in a stirring pot, and then mix the crushed nitrogen-fixing anabaena with water at...
Embodiment 2
[0038] Nitrogen-fixing Anabaena 119 (provided by Wuhan Institute of Hydrobiology, Chinese Academy of Sciences) was inoculated in BG11 nitrogen-deficient medium, and cultured at 28°C, 150r / min, light of 60000-80000lx, and light-dark cycle of 12h-12h. After 7 days, the seed solution was obtained; then the seed solution was poured into the small pond set in the greenhouse for large-scale cultivation, and the temperature in the greenhouse was kept at about 30-35°C; after 5 days of expansion cultivation, the nitrogen-fixing Anabaena could be collected.
[0039] After collection, press filter to remove most of the water in nitrogen-fixing Anabaena to obtain wet algae with a water content of 40-60%; then spread the wet algae on a tray and place it in an oven at 40°C until the water content drops to 8-10% to obtain dry algae; after cooling, crush the dry algae with a grinder; first heat the water to 70°C in a stirring pot, and then mix the crushed nitrogen-fixing anabaena with water at...
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