The Use of Phosphorus-Containing Waste and Algae to Produce Biofertilizer for Tomatoes
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M. Auezov South Kazakhstan University, Shymkent, Kazakhstan
Shymkent University, Shymkent, Kazakhstan
University of Friendship of Nations Named After Academician A. Kuatbekov
Publication date: 2022-02-01
Corresponding author
Assel Tleukeyeva   

M. Auezov South Kazakhstan University, Shymkent, Kazakhstan
J. Ecol. Eng. 2022; 23(2):48-52
The current state of phosphorus-containing waste and methods of its disposal remain relevant. The storage of phosphorus-containing waste sludge is carried out in sludge collectors, which occupy large areas. With the disposal of slags and sludge, as well as the elimination of sludge collectors, the harmful effect of waste on the soil will cease, and the possibility of using these areas for economic land use will appear. Many studies show the movement of phosphorus in soil and water, thus proving the difficulty of disposing of this waste. Of course, phosphorus slags and sludge are used in small quantities in the production of building materials, but this does not solve all the problems. In the south of Kazakhstan, there are warehouses for waste from the production of phosphorus-containing fertilizers, which also require disposal. One of the ways of modern utilization of these wastes is the possibility of their use in fertilizers for agriculture. But since the phosphorus-containing waste contains a high content of phosphorus, compared to nitrogen and potassium, then with the addition of chlorella biomass, this ratio can be changed. The purpose of our study was the possibility of using a complex of phosphorus waste and algae, that is, the cultivation of chlorella at various concentrations of phosphorus-containing waste for further use of the suspension in watering the test plant. In the form of a test plant, tomato seeds were chosen, the cultivation of which in agriculture is economically profitable. When cultivated in closed ground, tomatoes lose their taste, which can be restored with the use of organic fertilizers. This article shows the results of the influence of various concentrations of phosphorus waste and green microalgae on the growth and development of Solanum lycopersicum.
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