TY JOUR TI Plants development, the leaf surface dynamics, the content of chlorophyll, net photosynthetic productivity, the coefficient of use of far, depending on the planting tubers depth KW planting depth KW variety KW potatoes KW plant height KW stem KW manure KW leaf area KW chlorophyll KW productivity KW photosynthesis. JO Vestnik of Kazan State Agrarian University AU Samarkin, A.. AU Samarkina, M.. AU Shashkarov, L.. PY 2013 IS 8 PB Kazan state agrarian University