THE INFLUENCE OF MINERAL SUBSTANCES ON MORPHOLOGICAL PARAMETERS OF SOYBEAN SEEDLINGS
Abstract and keywords
Abstract (English):
Soybean is an annual plant; the period of vege-tation depends on the growth conditions. Being a nitrogen fixer, soybean enriches the soil with nitro-gen and improves its structure. The results of posi-tive influence of mineral substances (Knop solution, azofoska and ammofoska) on morphological pa-rameters of soy seedlings of Northern ecotype (Si-benik-315 and Light-4) at an early stage of onto-genesis are presented. Vegetation laboratory ex-periments to assess the effect of mineral nutrients on seedling soybean were conducted in 2014-2015. The seeds of soybean varieties germinated well in the solution ‘Knopa’ and ammofoska, com-pared to control. The highest germination rate the seeds had in the second variant - in the solution ‘Knopa’ (80-90 units). High seed germination was observed in the fourth variant with the use of ferti-lizer ammofoska (78-80). Azofoska is not only ef-fective mineral ‘fertilizer’ for soybean seeds, but also cost-effective. The solution ‘Knopa’ is also highly effective nutrient solution, but not cost- effective because of scarce and expensive compo-nents. The maximum length of sprouts was ob-served in the fourth variant - with the use of fertiliz-er ammofoska (24.1-23.4 mm). Also high length of the sprouted seeds was observed in the second variant - in the solution ‘Knopa’ (20.1-22.3 mm). Growth characteristics and 11-day seedlings of soybean Sibnik-315 and Light-4 showed that the removal of potassium from solution ‘Knopa’ pro-moted better seed germination.

Keywords:
soybean, seeds, seedlings, germi-nation, length of seedlings, minerals, solution ‘Knopa’, solution ‘Knopa’ without potassium, azofoska, ammofoska
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References

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