Tomato in winter – spring turnover in industrial greenhouses of Dagestan
2020
P. M. Akhmedova | M. M. Daguzhieva
Relevance. One of the dynamically developing areas of the agro-industrial complex of the Republic of Dagestan is vegetable growing of protected ground. This is facilitated by natural and climatic conditions, the availability of markets for products, and the interest of vegetable producers in expanding greenhouse areas. The area of greenhouses today exceeds 230 hectares. The lack of science-based technology, the lack of promising hybrids, due to the lack of study of the topic of growing and selecting varieties of vegetable crops in protected ground in the conditions of Flat and foothill Dagestan, greenhouse farms bear significant losses. The quantity and quality of the greenhouse tomato crop largely depends on the well-chosen varieties (hybrids) of tomato, the timing of seed sowing and seedling planting.Methods. Experimental work was carried out in the greenhouse of LLC Agro-AS. The selection and evaluation of tomato hybrids for cultivation in film greenhouses in the winter-spring turnover were carried out. The control is the Tiwai 12 F1. The optimal time for sowing seeds and planting seedlings in the substrate for winter-spring turnover of film greenhouses was determined.Results. The characteristic of promising hybrids for growing in winter and spring turnover is given. The results of the dynamics of crop yield by month are presented. The influence of sowing and planting times on the duration of the growing season and the yield of tomatoes is shown. The optimal scheme of sowing and planting tomatoes in the conditions of winter and spring turnover is determined. Data on the economic efficiency of the studied planting dates are presented. The prospects of growing the studied hybrids in this region are indicated.
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