Method of cross-drooping fingerlings and cultivating three batches of crayfish in paddy field
A lobster and paddy field technology, which is applied in the fields of land preparation methods, chemical instruments and methods, and botanical equipment and methods, can solve the problems of serious rice seedling withering disease, pollution affecting rice yield, etc., and achieves improvement of yield per unit area and economic benefits. , improve the survival rate, improve the effect of breeding production
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Embodiment 1
[0043] Choose 3 flat rectangular paddy fields with good ecological environment and no pollution sources in Hexian County, with an aspect ratio of 2:1, and each paddy field is about 10 mu;
[0044](1) Sun drying the field, cross seedlings, and planting late japonica rice: paddy field treatment and time sequence arrangement, after harvesting rice in November of the current year to the end of March of the next year, drain the water stored in the paddy field, and thoroughly expose it to the sun. After 45 days Natural sunlight on sunny days kills pathogens at the bottom of rice fields and changes the soil structure, which is beneficial to the survival and growth of crayfish. From April to November of that year, three batches of crayfish were cross-fed and raised, and one season of late rice was planted;
[0045] Among them, when the seedlings have one leaf and one heart, spray evenly once with 50ml of 0.3% Sophora flavescens water-reducing agent mixed with water or 200 times of emo...
Embodiment 2
[0064] Choose 3 flat rectangular paddy fields with good ecological environment and no pollution source in Huaining area, the aspect ratio is 2:1, and each paddy field is about 10 mu;
[0065] (1) Sun drying the field, cross seedlings, planting late japonica rice: paddy field treatment and time sequence arrangement, after harvesting rice in November of the current year to the end of March of the next year, drain the water stored in the paddy field, and thoroughly expose it to the sun. After 40 days Natural sunlight on sunny days kills pathogens at the bottom of rice fields and changes the soil structure, which is beneficial to the survival and growth of crayfish. From April to November of that year, three batches of crayfish were cross-fed and raised, and one season of late rice was planted;
[0066] Among them, when the seedlings have one leaf and one heart, evenly spray 3 times with 0.3% Sophora flavescens water-reducing agent mixed with water or 200 times of emodin methyl et...
Embodiment 3
[0085] Choose 3 flat rectangular paddy fields with good ecological environment and no pollution source in Quanjiao area, with an aspect ratio of 2:1, and each paddy field is about 10 mu;
[0086] (1) Sun drying the field, cross seedlings, and planting late japonica rice: paddy field treatment and time sequence arrangement, after harvesting rice in November of the current year to the end of March of the next year, drain the water stored in the paddy field, and thoroughly expose it to the sun. After 50 days Natural sunlight on sunny days kills pathogens at the bottom of rice fields and changes the soil structure, which is beneficial to the survival and growth of crayfish. From April to November of that year, three batches of crayfish were cross-fed and raised, and one season of late rice was planted;
[0087] Among them, when the seedlings have one leaf and one heart, evenly spray 2 times with 60ml of 0.3% Sophora flavescens water-reducing agent mixed with water or 200 times of ...
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