Beetroot is very demanding to soil fertility and quite negatively perceives the acid soil environment. The optimal for this crop is a level of pH 5.6 – 7.5. Exceedence of these indicators requires mandatory land liming.
Beet fertilizing system includes three main periods. During the first of them it is necessary to ensure the plant with nutrients in an accessible form, especially at the germinating seeds. During the second – to ensure the optimal of plant with the nitrogen during the intensive growth of leaves. During the third period, which falls on growth of roots and accumulation of sugar, it is important to increase the phosphate and potash supply.
To ensure the best start of growth fertilizers should be introduced in rows during sowing. Such method ensures the optimal supply of nutrients to the beet in the first 15-20 days after the sprouting, increases the resistance to diseases and adverse climatic conditions, accelerates the growth of plants. For this purpose are usually used superphosphate in the amount of 30kg/ha, small doses of nitrogen and potassium, which are often replaced by the complex (nitroamofos, diamofos) or complex-mixed fertilizers. Introduction of organic fertilizers even greater enhances the action of mineral elements and technological qualities of the crop.
The most profitable in terms of payback are considered the following norms of introduction of mineral substances: 120 kg/ha of nitrogen, 90-120 kg/ha of phosphorus and 90-120 kg/ha of potassium. The best method of nitrogen fertilization will be the use of natrium saltpeter during the pre-cultivation period ang during spring leveling of soil; water, and anhydrous ammonia in autumnand carbamide during foliar feeding. Phosphorus and potassium are very inactive compounds, so such fertilizers should be introduced during autumn plowing for a better distribution of the elements in the layers of soil.
Micronutrients are also essential for the formation of a high yield.Boron significantly affects the yield, sugar content in roots plants, prolongs their storage. Manganese promotes high-yielding of plants and also increases the sugar content in vegetables. Copper increases resistance to destruction by fungi and bacteria as well as the hot and dry weather conditions.
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