Planting method of selenium-enriched calla palustris
A planting method and technology of calla, applied in animal husbandry, application, organic fertilizer, etc., can solve problems such as low selenium content of calla and cannot meet health needs, and achieve the goals of promoting survival and growth, accelerating growth, and improving yield and quality Effect
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Embodiment 1
[0016] A method for planting selenium-enriched calla, comprising the following steps:
[0017] (1) Seedling stage: During the seedling stage, blackfish are stocked in the calla field, with a length of 5~7cm and a stocking density of 2~3 fish / m. 2 , Spreading fertilizer to promote growth, the spreading rate is 35kg / mu, adjusting the temperature during the day to 32~34℃ and the temperature at night to 25~27℃, which can increase the oxygen content and organic matter content of the soil, and promote the survival and growth of calla. It has strong selenium-enriching ability, and the metabolic discharge of black fish can provide rich organic matter of calla, promote the absorption of calla, increase the selenium content of calla, and at the same time, apply growth-promoting fertilizer to calla, balanced nutrition, and promote the coordinated absorption of external nutrients by calla and blackfish. , improve the organic selenium content in the calla; the described growth promoting fe...
Embodiment 2
[0022] A method for planting selenium-enriched calla, comprising the following steps:
[0023] (1) Seedling stage: During the seedling stage, blackfish are stocked in the calla field, with a length of 5~7cm and a stocking density of 2~3 fish / m. 2 , spreading fertilizer to promote growth, the spreading rate is 38kg / mu, the temperature during the day is adjusted to 32~34℃, and the temperature at night is 25~27℃, which can increase the oxygen content and organic matter content of the soil, and promote the survival and growth of calla. It has strong selenium-enriching ability, and the metabolic discharge of black fish can provide rich organic matter of calla, promote the absorption of calla, increase the selenium content of calla, and at the same time, apply growth-promoting fertilizer to calla, balanced nutrition, and promote the coordinated absorption of external nutrients by calla and blackfish. , improve the organic selenium content in the calla; the described growth-promoting...
Embodiment 3
[0028] A method for planting selenium-enriched calla, comprising the following steps:
[0029] (1) Seedling stage: During the seedling stage, blackfish are stocked in the calla field, with a length of 5~7cm and a stocking density of 2~3 fish / m. 2 , Spreading fertilizer to promote growth, the spreading rate is 40kg / mu, and the temperature during the day is adjusted to 32~34℃ and the temperature at night is 25~27℃, which can increase the oxygen content and organic matter content of the soil, and promote the survival and growth of calla. The selenium-rich ability is strong, and the metabolic discharge of black fish can provide the rich organic matter of calla, promote the absorption of calla, increase the selenium content of calla, and at the same time, apply growth-promoting fertilizer to calla, balanced nutrition, and promote the coordinated absorption of external nutrients by calla and blackfish. , improve the organic selenium content in the calla; the described growth promoti...
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