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631.452:631.445.4:633.11 (1) |
Știința solului. Pedologie. Cercetări pedologice (731) |
Cereale. Recolte de grâne (681) |
SM ISO690:2012 LEAH, Nicolai, PANU, Vera, SAVIN, Elena. Influenţa nivelurilor de fertilizare a cernoziomului levigat asupra productivităţii grâului de toamnă în zona de centru a Republicii Moldova. In: Ştiinţa în Nordul Republicii Moldova: realizări, probleme, perspective, Ed. 7, 19-20 mai 2023, Bălți. Balti, Republic of Moldova: Casa Editorial-Poligrafică „Bons Offices”, 2023, Ediția 7, pp. 170-175. ISBN 978-9975-81-128-6. |
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Ştiinţa în Nordul Republicii Moldova: realizări, probleme, perspective Ediția 7, 2023 |
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Conferința "Ştiinţa în Nordul Republicii Moldova: realizări, probleme, perspective" 7, Bălți, Moldova, 19-20 mai 2023 | |||||||
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CZU: 631.452:631.445.4:633.11 | |||||||
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The application of the mineral fertilizers on the natural background of the chernozem leached after the preceding sunflower led to the increase of the autumn wheat production up to 6.32 t/ha. On average, for 9 yrs, wheat yields increased from 2.10 t/ha to 4.24 t/ha, obtaining an increase of 34-102%, compared to the non-fertilized variant. Phosphorus fertilization levels from 1.5 mg to 4.5 mg/100 g of mobile phosphorus soil led to wheat yields increase by 27-64%. The administration of nitrogen fertilizers in doses of 30-150 kg/ha on the background of P3.5K brought an increase of 27-67%. The wet gluten content in wheat grains increased from 14.4% to 40.8%. The maximum yield of gluten production per 1 ha was 154-160%. It has been established that in order to obtain a production of 4-6 t/ha of wheat on leached chernozem, the optimal level of mobile phosphorus in the soil is 3.0-3.5 mg/100 g of soil (Macighin method), and the optimal doses of nitrogen after the preceding sunflower are 90-120 kg/ha. |
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Cuvinte-cheie chernozem leached, fertilization level, winter wheat, Productivity |
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