Research on the fertilizer demand and on the influence of detergent on sweet pea (Lathyrus odoratus L.) cv. 'Wirlarind', grown in hydroponic cultures | Badanie potrzeb nawozowych groszku pachnącego (Lathyrus odoratus L.) w uprawie hydroponicznej przy zastosowaniu detergentu
1980
Gumiński, Z.
The plants were grown in vessels composed of two parts: in the upper one, with the perforated bottom, was mixture of peat with brown coal or peat with scoria, and in the lower one - a nutrient solution to a height of 12 cm. The lowering of nitrogen fertillization (to 43%) and the increase in the molybdenum salt dose produced a positive difference in yield. A 3,7 g dose of fertilizer mixture per plant during the vegetation season has been found to be optimum. The detergent, when applied only once, improved the crop quality. When applied every fourth week, it caused a decrease in the number of racemes per plant grown on a slag~peat seedbed, whereas, on the lignitepeat seedbed all the detergent action was annulled.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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