Assessment of the effect of organic fertilizers on growth and biochemical parameters of Lepidium sativum and Raphanus sativus

Relevance. The article presents the results of studying the effect of organic fertilizers of various origins on vegetable crops of radish and watercress. The relevance of the study is related to the need to find the most effective preparations based on humic acids from a wide list offered for use in crop production.

Methods. The research was carried out in a model experiment in 2022–2023 with humic fertilizers of geological (“Humate K”) and biological (“AgroVerm” and “Humate K”) origin. The study of the effect of meliorants was carried out on vegetable crops: radish of the Heat variety and watercress of the Moscow Greenhouse variety. The data obtained allow us to conclude that the application of organic fertilizers significantly increases germination, stimulates the growth and development of crops. The effect of humic preparations significantly increased growth indicators and the content of photosynthetic pigments in the green mass of plants with control. For the watercress culture, the highest yield values (1.46 kg /m2) were noted against the background of the introduction of the drug “Humate K”, and for radish, the maximum yield value (2.8 kg/ m2) was observed in the variant of using the effluent Samorod.

Results. The results of the study confirmed the high efficiency of using humic fertilizers in conditions of low soil fertility and revealed the selective sensitivity of vegetable crops to humic preparations of various origins.

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