nature – cdnt

May 7, 2020 No Responses

Biological products as plant protectors

Biological products include biohumus, orgavit, bio-cocktail, ash and HB-101.Vermicompost.Biohumus is obtained from waste and weeds processed by worms. This requires special humidity and temperature. Biohumus differs from manure in the absence of harmful bacteria. This is friable soil similar to chernozem. Soil fertility depends....

April 7, 2020 No Responses

The creator of the physical foundations of the theory of soil destruction Arkady N. Zelenin

The calculated dependencies for determining the resistance to cutting and loosening, established by Professor Arkady Nikolayevich Zelenin and his school, are still the basis for calculating the loads acting on the working equipment of earthmoving machines.&nbs...

January 7, 2020 No Responses

Grouse chicks

From the first day, chicks from the pock fry have already walked and pecked seeds, keeping at noon in the shadow between the legs of the parent. But to fly to a watering place for several tens of kilometers, like adult...