Cultivation method of evening primrose rich in multiple trace elements
A technology of trace element and trace element fertilizer, which is applied in the fields of botanical equipment and methods, horticultural methods, cultivation, etc., can solve the problem of not being able to supplement a variety of trace elements at the same time, and achieve the improvement of dry matter accumulation, balanced ratio, The effect of increasing production
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Embodiment 1
[0028] A method for cultivating evening primrose rich in various trace elements, comprising the following steps:
[0029] (1) Germination and sowing: Soak the seeds in 2.7% lime water at 25°C for 6 hours, wrap them with gauze, accelerate germination at 29°C for 8.5 days, and sow in spring. The seedbed seeding rate is 77.5kg / ha, and the covering soil is 1.2 cm, keep the temperature at 26.5°C, and the soil moisture content is 40%;
[0030] (2) Seedling management: In May, the lack of seedlings and broken strips should be solved in time. When the seedlings grow 3 true leaves, apply 0.65kg / mu of nutrient solution, and the seedbed will grow white hyphae. 800 times liquid spray control, when the evening primrose seedlings grow to the 4-leaf stage, weed and thin the seedlings in time, and the seedling distance is 1.5cm;
[0031] (3) Topping and fertilizing: When the above-ground stem grows to 11cm, leave 7 leaves on the main stem, remove the top, apply 45t / ha of organic fertilizer, ...
Embodiment 2
[0040] A method for cultivating evening primrose rich in various trace elements, comprising the following steps:
[0041] (1) Germination and sowing: Soak the seeds in 0.4% lime water at 20°C for 8 hours, wrap them with gauze, accelerate germination at 28°C for 7 days, and sow them in spring. The temperature is 25°C and the soil moisture content is 35%;
[0042] (2) Seedling management: In May, the lack of seedlings and broken strips should be solved in time. When the seedlings grow 3 true leaves, apply 0.5kg / mu of nutrient solution, and the seedbed will grow white hyphae. 800 times liquid spray control, when the evening primrose seedlings grow to the 4-leaf stage, weed and thin the seedlings in time, and the seedling distance is 1cm;
[0043] (3) Topping and fertilizing: When the aboveground stem grows to 10cm, leave 7 leaves on the main stem, remove the top, apply 40t / ha of organic fertilizer, 225kg / ha of diammonium phosphate, and apply uniformly at one time in combination ...
Embodiment 3
[0052] A method for cultivating evening primrose rich in various trace elements, comprising the following steps:
[0053] (1) Germination and sowing: Soak the seeds in 5% lime water at 30°C for 8 hours, wrap them with gauze, accelerate germination at 30°C for 10 days, and sow in spring. Keep the temperature at 28°C and the soil moisture content at 45%;
[0054] (2) Seedling management: timely solve the situation of lack of seedlings and broken strips in May. When the seedlings grow 4 true leaves, apply 0.8kg / mu of nutrient solution, and the seedbed will grow white hyphae. 800 times liquid spray control, when the evening primrose seedlings grow to the 4-leaf stage, weed and thin the seedlings in time, and the seedling distance is 2cm;
[0055] (3) Topping and fertilizing: When the aboveground stem grows to 12cm, leave 8 leaves on the main stem, remove the top, apply organic fertilizer 50t / ha, and diammonium phosphate 300kg / ha. Add once every 40 days, topdress urea 3kg / mu, sup...
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