It has been established that it is possible to increase the productivity of grasslands on sod-podzolic soil with the introduction of biohumus against the background of irrigation. The optimal variant of the experiment with the introduction of vermicompost at the rate of 8 t/ha. The research results revealed an increase in the content of basic nutrients in the soil by 0.2 … 4 mg/100 g of soil, activation of the cellulose-degrading activity of the soil twice, which was characterized as strong on the Zvyagintsev scale. The content of organic matter in the soil increased to 0.28 t/ha. The plant density increased by 1.5 times, the height – 2 times, the yield of the grass mixture increased on average to almost 5 t/ha, the quality of products improved, which corresponded to the zootechnical norm in almost all parameters. The cost of production amounted to 2.04 rubles/kg, conditionally net income – 3.64 rubles. In the summer of 2019, the research results passed the first year of approbation at Igor VyacheslavovichBelousov LLC on an area of 1.5 hectares. The yield was 4.8 t/ha of dry matter, which is 31% higher than the control option – traditional technology.

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Small-fruited varieties of tomatoes have high taste and are significantly superior to large-fruited ones. The variety for the production of canned whole-fruit tomatoes primarily influences the shape and size of the fruit, shape index, ratio of the fruit parts, peel, pulp and seeds, peel condition, as well as the content of solids, carotenoids and their composition, which significantly affects the quality and color of the finished product. In this regard, the consumer and technological properties of 7 varieties of small-fruited tomatoes were studied. Based on the results obtained, a well-grounded conclusion was made that new varieties of small-fruited tomatoes are not inferior in terms of the studied indicators to large-fruited ones and can be recommended for expanding the range of a similar type of domestic canned production.

Antonovka apples, yellow and green, which were picked on August 25 and September 1 have been analyzed. The reflection coefficients of the apple surface were measured at wavelengths of 700 and 750 nm. R750 / R700 ratio was used to estimate the chlorophyll content in the skin. It is shown that the reflection coefficients decrease in storage with time. It is proved by the change in the structure of the apple tissue; the light is absorbed to a greater extent by it. The change in the content of chlorophyll in the skins of apples remains at the same level during the storage. There are some fluctuations in its content. It has been shown that fruit diversity increases with the storage time.