Влияние совместного применения КАС с регуляторами роста и микроэлементами на фотосинтетическую деятельность посевов, урожайность и качество зерна озимой ржи
2009
Vildflush, I.R. | Leshchina, M.A., Belarus State Academy of Agriculture, Gorki (Belarus)
Efficiency of combined application of carbomide-ammonium mixture (UAN) with plant growth regulators and minor elements, as well as influence of tank mixtures application on changes in leaf-area surface, photosynthetic potential and net productivity of photosynthesis of winter rye (Secale cereale) plantings, yielding capacity and grain quality were studied in the conditions of the Republic of Belarus. Influence of tank mixtures on yielding capacity of grain, content and yield of crude protein was studied. Research results showed that the largest leaf-area surfaces were stated in the experimental variants with application of UAN tank mixtures in combination with epin (24-epibrassinolide; in dose 20 mg/l) – 43,64 thousand m2/ha, as well as in the variant of combined application of UAN tank mixtures with the complex fertilizer Vitamar-3 (in dose 1 l/ha) – 43,41 thousand m2/ha. The highest net productivity of photosynthesis was stated in the variant of UAN application in combination with Vitamar-3 (at stage of milky-wax ripeness) – 11,6 g/m2 x days; as well as in the variants with the complex fertilizer Ehkolist-3 both in combination with UAN, and separately – 11,4 and 11,3 g/m2 x days, respectively. The maximum yield of winter rye was obtained after application of epin in combination with UAN, and in the variant of UAN combination with Vitamar-3 – 49,0 and 48,6 c/ha, respectively
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