Floating seedling culture method for asparagus beans

Abstract

The invention provides a floating seedling culture method for asparagus beans. The method comprises steps as follows: firstly, a movable floating pool is arranged in a temperature-controllable greenhouse, a nutrient solution is prepared in the floating pool, seedling culture media are put in seedling culture trays, seeds are pretreated and then sown in holes in the seedling culture trays, and theseedling culture trays are covered with rice hull ash and then slightly float in the nutrient solution; then, seedling management is performed, temperature management is executed firstly, and the temperature is adjusted by an electric hotline power supply according to the season, climate and air temperature at that time; humidity management is performed, and the trays are soaked every 1-5 days until seedlings are transplanted; disease and pest control is performed, and the seedling culture greenhouse is disinfected by a smoke agent; finally, seedling hardening and transplanting are performed,the seedling hardening starts 1-3 days before transplanting, and generally, 4-15 days after sowing, the seedlings can be transplanted when a first pair of primary true leaves are unfolded. According to the seedling culture method, low-temperature seed rotting is effectively avoided, the seedling culture sites are relatively flexible, the seeds are fast to germinate and low in incidence rate, and by means of the optimal nutrient formula, crops grow stronger, emerge fast and are not easily attacked by diseases.

Description

technical field [0001] The invention relates to the technical field of agricultural cultivation, in particular to a method for raising cowpea seedlings by floating. Background technique [0002] Cowpea, also known as beans, is an annual herbaceous plant belonging to the legume family Vigna genus, and it is also an important vegetable. The sown area of ​​cowpea in the world is more than 10 million hectares. my country is one of the main producing countries of cowpea, with an annual sown area of ​​about 5.586 million mu (2006). [0003] In the practice of cowpea cultivation, most producers mainly use direct seeding. However, due to the uncertainty of weather changes, the suitable growth temperature of cowpea is 20-30°C, and chilling injury will occur if it is lower than 15°C. In the spring production of cowpea, the temperature is often below 10°C, the germination rate of direct seeding is very low, and the seedlings often appear rotten due to the "cold spring" when raising s...

AI Technical Summary

Problems solved by technology

[0004] Among the invention patents authorized by the state, there are currently only floating seedling raising schemes for artichoke, breviscapita, pachyrhiza, tobacco and other crops, but none of them involve cowpea

And in the production of cowpea, few people pre-treat the seeds, so the germination is not neat, and it is easy to carry diseases

In "China Agricultural Technology Promotion" Issue 5, 2017, "Cowpea Floating Seedling Technology", the article introduces the site selection of cowpea floating seedlings, the construction of floating ponds, the pretreatment of seedling trays, the preparation of substrates, the operation of sowing, and the management after sowing and pest control and other technical solutions, but does not involve technical solutions such as seed pretreatment and artificial assisted heating, so the technical solution is incomplete and incomplete, and cannot fully meet the production needs, and the nursery pool is fixed on the ground and cannot Moving and restoring the bed site are labor-intensive, and there are more optimal options for seedling raising substrates and nutrient solution formulations

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