Abstract

The intensity of photosynthesis was estimated in mixed lupine-cereals sowing, including the seed treatment by nodule bacteria and associative microorganisms. It was established, that the photosynthesis intensity in legumes-cereals heterogeneous agrocenosis is higher, than it is in homospecific sowing. After seed inoculation by nodule and associative rhizobacteria in mixed lupine-barley sowing the photosynthesis intensity increases also. The chlorophyll content in barley leaves increased to 1.6-fold their values without application of bacterial preparations. In mixed sowing the nitrogen part, absorbed by barley from lupine roots, is more 25 % from total nitrogen volume, obtained by cereal crop.

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