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Ivanov D.A.,All Russian Research Institute of Reclaimed Lands of the Federal Agency of Scientific Organizations | Tjulin V.A.,Tver State Agricultural Academy
Life Science Journal | Year: 2014

This paper presents results of long-term monitoring over the yields of small grain crops in the agricultural landscape of terminal moraine hills. We highlight the correlation between the varied in scale structures within the landscape such as particular slopes, their morphological parts (elementary geochemical landscapes), soil phases and space fluctuations and productivity of winter rye and spring barley with grass underseeding. It is ascertained that barley has a significantly more pronounced reaction towards variations in landscape than that of the winter rye. Also there was identified a range of measures geared at optimizing the processes in growing those cultures in different landscapes. Source


Golubev V.V.,Tver State Agricultural Academy | Firsov A.S.,Tver State Agricultural Academy
Ecology, Environment and Conservation | Year: 2014

The use of modular-assembly principle of design engineering of working bodies of sowing machines can increase the versatility, reduce metal intensity and power capacity of executable sowing process flows. The performed analysis of design features of seeding apparatus for growing small-seeded crops such as fiver flax, spring rape, clover, showed the presence of abnormalities of qualitative parameters on the requirements for the area of plant nutrition, uniform distribution of seeds in a row and on the width of the planter. The aim of the research work is the creation of the laboratory facility for identification of optimum performance indicators and dependencies of disk pneumatic feed on the pre-set values and modes of operation, as well as the processing of the experimental data. Copyright © EM International. Source

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