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Соответствующие исследования проводились в 1982-1964 гг. на почве принадлежащей к хорошему ржаной комплексу. Исследования охватывали два сорта картофеля: раннеспелый Далия и позднеспелый Ливия. Вариантами опытов были повышающиеся дозы азота от 0 до 120 кг на гектар для раннеспелого и от 0 до 200 кг на гектар для позднеспелого сорта. Измерения проводились через каждых 14 дней на протяжении всего периода...
A 6-year field experiment with fertilization of potatoes of the Wyszoborskie variety was carried out on light acid brown soil with the content of 8% of clay particles. Farmyard manure at the rate of 10 t per hectare as well as calcium carbonate in accordance with 3/4 of hydrolytic acidity and mineral fertilization at the rates of 90 kg N, 33.1 kg P and 99.6 kg K per hectare were applied. Farmyard...
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