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Considering the importance of developing new and effective methods and techniques in the maximum use of agricultural land, saving seed consumption, reducing fuel consumption, production free from diseases, pests, stress and reducing water demand in the process of producing agricultural products according to the conditions The climate of the country makes cultivation one of the most desirable methods.
Seed cultivation has many advantages, so much so that nowadays in most countries of the world, which have strong agriculture, farmers get their desired seeds from seed production centers and do not involve themselves in buying seeds and cultivating them. Among the benefits of seed production, the following can be mentioned:
Maximum use of agricultural land. In the sense that, for example, if the farmer has planted winter wheat in his land and the wheat has not been harvested yet, the tomato growing season may have arrived, the farmer can buy time for 45 days. It means to produce seeds in the treasury so that after collecting the wheats, he can plant tomatoes without causing any disturbance in the time of fruiting and cultivation.
Productions free from diseases and pests and nutritional stresses: seed cultivation in the main land due to temperature and environmental stresses, the seeds either germinate late or do not germinate at all or face problems, but in the treasury due to the control of all environmental factors, these tensions are minimized.
Saving seeds. Nowadays, most of the seeds are of hybrid type and they are very expensive in terms of price. In normal conditions, with direct seed cultivation, 4 to 5 times more seeds are consumed. The consumption of seeds in the treasury is greatly reduced and the seeds are not spoiled and are not moved by birds or insects.
In greenhouse crops, especially, the production of seedlings in the treasury for a certain period of time in the winter season reduces fuel consumption. For example, for a cucumber greenhouse with an area of 3,000 square meters, about 7,500 cucumbers are needed, which can be stored for 3 weeks in a 200 square meter vault, so we will save about 25,000 liters of fuel.
Reducing water consumption is one of the most important advantages of using the seedling system. If we consider tomato cultivation, which is the largest cultivation area in Iran, in case of planting 2 times, we will save on the number of irrigations. 1500 cubic meters of water is used for each hectare. Therefore, for two turns of water, something around 3000 cubic meters is saved. Only tomato cultivation in Iran is about 163,500 hectares, so 2 times saving water consumption will result in water saving of about 4905000000 cubic meters throughout the year, which is a very high number.
Dealing with frostbite
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