Method for shortening cultivation time of leaf lettuce
A technology of cultivation time and rapeseed, applied in cultivation, soilless cultivation, leaf crop cultivation and other directions, can solve problems such as waste, and achieve the effects of increasing germination rate, increasing growth vigor, and promoting co-growth
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Embodiment 1
[0028] A method for shortening the cultivation time of lettuce, comprising the following steps:
[0029] 1) Boil the rice-washing water and cool to room temperature, then soak the lettuce seeds in the cooled rice-washing water for 3 hours, then fish them out, lay them on gauze, put them in a cool place, and spray them once a day at noon and at night After being germinated in the rice-washing water frozen to 15°C for 6 days, cultivated lettuce seedlings are obtained;
[0030] 2) Lettuce nutrient solution A is made by mixing the following raw materials in parts by weight: potassium sulfate 3, calcium nitrate 10, potassium nitrate 0.5, ammonium nitrate 0.9, urea 0.1, magnesium sulfate 0.5, ammonium dihydrogen phosphate 0.05, zinc sulfate 0.0000002, Boric acid 0.0000012, manganese sulfate 0.0000008, copper sulfate 0.00000003, ammonium molybdate 0.00000002, ferrous sulfate 0.000005, EDTA 0.000008, cyclodextrin 15 and water 1500;
[0031] 3) Add lettuce nutrient solution A into the...
Embodiment 2
[0035] A method for mixed soilless cultivation of lettuce and algae, in which the algae uses extremely large spirulina for mixed soilless cultivation, comprising the following steps:
[0036] 1) Boil the rice-washing water and cool to room temperature, then soak the lettuce seeds in the cooled rice-washing water for 3 hours, then fish them out, lay them on gauze, put them in a cool place, and spray them once a day at noon and at night The rice-washing water frozen to 10°C germinates for 6 days to become cultivated lettuce seedlings;
[0037] 2) Lettuce nutrient solution A is made by mixing the following raw materials in parts by weight: potassium sulfate 5, calcium nitrate 15, potassium nitrate 0.6, ammonium nitrate 1.4, urea 0.2, magnesium sulfate 1.5, ammonium dihydrogen phosphate 0.08, zinc sulfate 0.0000003, Boric acid 0.0000023, manganese sulfate 0.000001, copper sulfate 0.00000006, ammonium molybdate 0.00000003, ferrous sulfate 0.000006, EDTA 0.00001, cyclodextrin 20 and...
Embodiment 3
[0043] A method for mixed soilless cultivation of lettuce and algae The algae selects extremely large spirulina for mixed soilless cultivation, including the following steps:
[0044] 1) Boil the rice-washing water and cool to room temperature, then soak the lettuce seeds in the cooled rice-washing water for 3 hours, then fish them out, lay them on gauze, put them in a cool place, and spray them once a day at noon and at night After being germinated in the rice-washing water frozen to 15°C for 5 days, cultivated lettuce seedlings are obtained;
[0045] 2) Lettuce nutrient solution A is made by mixing the following raw materials in parts by weight: potassium sulfate 4, calcium nitrate 12, potassium nitrate 0.5, ammonium nitrate 1, urea 0.1, magnesium sulfate 1, ammonium dihydrogen phosphate 0.05, zinc sulfate 0.0000003, Boric acid 0.0000020, manganese sulfate 0.000001, copper sulfate 0.00000005, ammonium molybdate 0.00000003, ferrous sulfate 0.000006, EDTA 0.000008, cyclodextri...
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