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Ultima descărcare din IBN: 2023-12-11 16:22 |
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634.8 (650) |
Viticultură. Viță de vie. Vii (628) |
SM ISO690:2012 PROCOPENCO, Valeria. Nutriția minerala - componentă importantă în tehnologia strugurilor de masă. In: Sectorul agroalimentar – realizări și perspective, Ed. 1, 11-12 noiembrie 2022, Chisinau. Chişinău: "Print-Caro" SRL, 2023, pp. 125-126. ISBN 978-9975-165-51-8.. |
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Sectorul agroalimentar – realizări și perspective 2023 | ||||||
Simpozionul "Sectorul agroalimentar – realizări și perspective" 1, Chisinau, Moldova, 11-12 noiembrie 2022 | ||||||
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CZU: 634.8 | ||||||
Pag. 125-126 | ||||||
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The mineral fertilization of table varieties of vines is done with the help of chemical fertilizers, such as those containing nitrogen, phosphorus, potassium, calcium, boron, magnesium, etc. These elements are essential for healthy plant growth and development. In general, nitrogen fertilization is done during the vegetative growth period of the plant, while phosphorus and potassium fertilization is done during the fruiting period. Depending on the soil and the condition of the plant, the doses of fertilizers may vary. It is important to follow the recommendations of science in the field to obtain the best results. It is also important to maintain a balance between all the nutrients, to avoid over-fertilization or under-fertilization. An over-fertilized plant can have health problems such as leaf burn, while an under-fertilized plant can have slow growth and low fruit production. Any increase or decrease in mineral ion concentration can cause mineral toxicity and mineral deficiency, respectively. Symptoms of mineral deficiency are characterized by the following factors: - chlorosis - loss of chlorophyll or yellowing of leaves, occurs due to lack of K, Mg, N and S. - necrosis or cell death results due to deficiency of K, Ca and Mg etc. - delayed growth is due to deficiency of elements like N, P and Zn etc. - deficiency of N, S and Mo, etc. results in delayed flowering. Symptoms of mineral toxicity are characterized by the following factors: - brown spots appear due to Mn (Manganese) toxicity. The leaves are also surrounded by chlorotic veins. Mn toxicity causes Fe, Ca and Mg deficiency. Most soil conditions around the world can provide plants with sufficient nutrition for a complete life cycle without the addition of nutrients as fertilizer. However, when the soil is cultivated, its fertility must be maintained by adding fertilizer to encourage vigorous growth and increase or maintain yield. This is because nutrient deficiencies, even with adequate water and light, can limit crop growth and yield. In conclusion, mineral fertilization of table vines is an important practice to obtain a high and quality production. |
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Cuvinte-cheie Mineral fertilization, Table varieties, Moldova, viticulture., Fertilizarea minerală, soiuri de masă, Moldova, viticultura |
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