Hydroponics saves space when implemented vertically and can be produced year-round in greenhouses. Therefore, it has a wide application prospect in areas with limited land or polluted, degraded, barren land and urban areas.

1. Why use corn steep solids as organic input in hydroponics?

The addition of organic fertilizer in the process of hydroponics can provide a good growing environment for crops. The researchers found that Corn Steep liquor (CSL) is one of the most easily obtained and stable organic fertilizers after comparing various organic fertilizers such as rapeseed meal, fish meal and yeast powder. Ideal as a fertilizer for hydroponic crops.

Our Corn Steep liquor Powder NPK7-7-7 can provide a full range of nutritional support for crops, and 100% water-soluble fertilizer can be used directly or mixed with other organic fertilizers. Many studies have shown that Corn Steep liquor can be an excellent nitrogen source, and crops using Corn Steep liquor for hydroponic cultivation often achieve satisfactory results. For example, in the process of hydroponics of bok choy, the addition of corn steep solid gives people a surprise.

2. corn steep solids stimulates resistance of hydroponic crops

The results showed that hydroponics using Corn Steep liquor Powder could enhance the resistance of bok choy to disease. Under organic hydroponics, the addition of a small amount of CSL every three days is expected to form a biofilm on the plant root surface, which is composed of microorganisms occupying the root surface of cultivated plants, acting as a physical and chemical barrier to plant pathogens and inducing plant resistance. This biofilm can also mineralize organic compounds, provide absorbable nitrogen to plant roots, promote nutrient supply and growth of cultivated plants, and improve plant quality.

corn steep liquor powder also has the ability to stimulate biological natural defense system and increase crop resistance. The corn steep liquor powder contains 18 kinds of amino acids, and the total amino acid content reaches 35%, among which glutamic acid has been confirmed by researchers to increase the resistance of rice to blast pathogens.

Corn Steep liquor also plays a positive role in the influence of hydroponic lettuce root rot. Research results published in 2014 showed that Corn Steep liquor (CSL) can inhibit the root rot of lettuce through its antifungal and biostimulatory effects. The beneficial microorganisms present in corn steep liquor can reduce the occurrence of lettuce root rot and help lettuce root growth.

3. Precautions for applying organic fertilizer in hydroponics

The application of organic fertilizer in hydroponic process has advantages that cannot be ignored, such as the disease prevention effect of corn steep solids in hydroponic process, which can reduce the use of pesticides; Improve the quality of vegetables. However, there are also points that need to be noted, when using corn steep solids as an organic input in hydroponics, it is necessary to add microbial inputs so that the crop can better absorb and utilize the nutrients in the fertilizer.

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