Study of qualitative indicators of spraying with strip-till аpplication on potato crops

Introduction. Potatoes are the most important food crop around the world, and Russia is no exception. More than 65% of potato production is concentrated in the households. Potato growing using strip-till is an innovative resource-saving technology used in modern production. The proposed method of spraying allows more competent and effective application of sprayed material on the object of treatment, depending on
the phase of growth and development of cultivated plants.

Materials and methods. Research on the quality indicators of spraying was carried out on the Experimental site of the scientific demonstration platform «Innovation Village». An indicator method was used to evaluate the distribution of the spray material on the object and in the treatment strip. Strips of water-sensitive paper were attached to the leaves to catch drops. The degree of coverage of the leaf plate with solution drops was determined using a patented software product for calculating the quality parameters of spraying with processing in the Image Color Summarizer program.

Results and conclusions. Based on the results of field research, a graph showing the dependence of the degree of coverage of the treatment object with drops of spray material depending on the spraying method used. The scheme of the arrangement of water-sensitive strips depending on the architecture of the plant on the object and on the width of the treated strip is presented. The system of technological operations to protect potatoes, taking into account the choice of type of treatment depending on the phase of growth and development of crop plants is presented. The comparison of the results obtained for strip and continuous blanket spraying allows making a conclusion about the effectiveness of strip spraying with the side spraying method. As a result of the evaluation of qualitative indicators showed that the application of strip spraying results in a more stable flow of spray material the width of the treated strip. The use of the lateral method of spraying of spray material promotes to the redistribution of spray material of plant protection agents from the inter-band space to the growth strip of the crop plant, thus reducing the pesticide load on the soil and the environment.

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