| Summary: | In work results of the microfield experiments put in 2014-2015 on the cespitose and podsolic sandy loam soil of the Borsky region of the Nizhny Novgorod Region with studying of action of siliceous growth factors of Siliplant, Energy-M and Mival-Agro on the general bioproductivity and indicators of quality of winter wheat of a grade Moscow 39 and potatoes of a grade of Red Scarlet are considered. In experiences positive action of all studied growth factors of plants is established. The best and reliable results noted options with the preparations having in a basis silicon and its connections. Not silicon growth factor of plants Krezatsin was also noted by positive action on efficiency and quality of crops, however this action had an appearance of tendencies. The general biological efficiency of plants of winter wheat substantially increased (by 32%) at application of a complex growth factor of Mival-Agro. The general biomass of potatoes as much as possible increased (by 40%) at application of a growth factor Energy-M. From all studied growth factors on commodity part of winter wheat (grain) in essential degree the preparation Mival-Agro (an increase in relation to control of 31%), and has the effect on commodity part of potatoes (tubers) - the preparation Energy-M (an increase in relation to control of 37%). Concerning non-commodity part of a crop of wheat (straw) and potatoes (tops of vegetable) the same preparations with increases in weight in 32% and 45% respectively have considerable effect. The preparations Energy-M and Mival-Agro promoted increase of accumulation not only a gluten in grain (for 6% and 9%) and celluloses in straw (for 11% and 13%) wheat, but also starch (for 13% and for 12%) and vitamin C (for 52% and for 51%) in potatoes tubers in relation to natural fertility of the soil.
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