The article provides information on the effect of the optimal amount of seedlings, planting patterns and timing on plant growth cycles when growing rice as a secondary crop. Nowadays, the demand for food is also increasing tremendously as a result of the rapid growth of the world’s population. This indicates that the issue of food security will become more complicated in the future. Like all food products, the population’s demand for rice is growing from year to year. According to official FAO data, by 2020, the total volume of rice production should reach 750 million tons to meet the demand of the world population for rice.