Substrate high-efficiency cultivation technology for selenium-rich organic solanaceous vegetables

Abstract

The invention relates to a substrate high-efficiency cultivation technology for selenium-rich organic solanaceous vegetables. Agricultural waste, livestock and poultry manure and organic selenium arefully utilized to prepare a cultivation substrate capable of meeting nutrients required for growth of the selenium-rich organic solanaceous vegetables to replace selenium-rich soil, chemical fertilizers and a nutrient solution prepared from the chemical fertilizers; a water and fertilizer application standardized cultivation management system and operation procedure of a current technology ''organic fruit and vegetable substrate cultivation technology'' are utilized to form the substrate high-efficiency cultivation technology for the selenium-rich organic solanaceous vegetables; and the technology comprises the following steps: preparing the substrate according to the nutrients required by crops; preparing and managing a crop substrate cultivation system (cultivation tank and water supplysystem) according to water and fertilizer standards which facilitate keeping an optimal growth state of the crops; and performing operation according to the operation procedure of the substrate cultivation technology of the selenium-rich organic solanaceous vehetables. The technology provided by the invention has the advantages of a simplified type (time saving, labor saving, effort saving, easy operation and easy copy and promotion) and high efficiency (high resistance, a high yield, high quality and high efficiency).

Description

technical field [0001] The invention belongs to the technical field of bio-organic agriculture, and in particular relates to a high-efficiency cultivation technology of selenium-enriched organic solanaceous vegetable substrate. Background technique [0002] Human agriculture has a development history of thousands of years, and its main feature is the fertilization method of "flood irrigation". Due to traditional agricultural soil cultivation, chemical fertilizers and organic fertilizers can only be absorbed by crop roots after they are dissolved in water, and the absorption rate of small crop roots is low. Therefore, in the actual operation of the "flood irrigation" fertilization method, three aqueous solutions appear. One is the lost aqueous solution: the aqueous solution that cannot be absorbed by the crop roots and is lost in large quantities; the second is the gravitational aqueous solution: the aqueous solution that directly penetrates into the depth of the soil generat...

AI Technical Summary

Problems solved by technology

Inorganic selenium generally refers to sodium selenite and sodium selenate. The absorption and utilization of inorganic selenium are not very ideal. Its bioavailability is low, its toxicity is high, and the range between the poisoning amount and the required amount is small, so its usage is strictly limited.

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