Optimize as a way of increasing soybean productivity and soil fertility

  • V. Lykhovor
  • O. Panasyuk
  • R. Panasyuk
  • V. Shcherbachuk
Keywords: yield capacity, soya, inoculation, symbiotic productivity, area of leaf surface, net productivity, of photosynthesis, photosynthetic potential, mass of dry matter, protein, oil

Abstract

The results of reserches of influence presowing inoculation of seeds by Optimayz preparation on formation of peculiarities of symbiotic plant apparatus of soya variety Ustya and yield capacity of crop. It is established that the first nodules appeared in the third leaf stage of crop. The smallest number of nodules was noted on the control variant (without inoculation). In the phase of budding the total number and number of active nodules was 2,7 and 2,1 pcs/plant. In the phase of ful flowering, the number nodules both general and active was the highest and amounted to 3.5 and 4,6 pcs/plant, and then it gradually decreased to the phase of full ripeness to 2,4 and 1,3 pcs/plant. On the variant where recommended rate of preparation (2,8 l/t), in the phase of budding the total number and number of active nodules was 8,4 and 5,8 pcs/plant. In the phase of full flowering the number of nodules both general and active was the highest and amounted 12,9 and 10,4 pcs/plant in the phase of full ripeness – to 6,2 and 3,2 psc/plant.Using the inoculant Optimayz in the rate of 3,5 i/t, caused the increase as the total number as active nodules in the phase of budding to 21,5 and 18,9 pcs/plant, in the phase of full flowering up to 29,7 and 20,2 pcs/plant and in the phase of full ripeness up to 16,3 and 7,6 pcs/plant. This action on soy sowigs (especially on soils, where the crop for a long time not cutlivated) provides the formation of maximum indices of photosynthetic productivity (area of leaf surface, photosynthetic potential, net productivity, of photosynthesis, mass of dry matter), and obtaining the highest, yield of soy variety Ustya at the level, of 2,53 t/ha, it is higher by 0,46 t/ha comparing with control (without inoculation) and by 0,28 t/ha comparing with the variant where recommended rate was applied. It is obtained that bresowing inoculation affects on quality indices of grain – during inoculants uscuge, the protein contents in grain compared with control (34,1 %), was increased and amounted 35,9 % (Optimyze, 2,8 l/ha) and 36,5 % (Optimyze, 3,5 l/ha).

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Published
2017-07-07
Section
Agricultural sciences (agronomics, agricultural ecology, land reclamation, ecology, crops husbandry, farming)