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On farm yield constraints study, rabi, 1979-80, wheat
(1981)
On farm yield constraints study wheat and sugarcane 1981-82
(1983)
Territorial dimension of wheat production in Romania
Zaharia, Marian, (2020)
Effects of the proposed Northeast-Midwest rail reorganization on rural areas
(1975)
Potatoes, sweetpotatoes : revised estimates, by States, 1949-55 ; acreage, yield, production, price, value, farm disposition, January 1 stocks
(1956)
Potato prices : monthly and season average prices received by farmers
Armstrong, Margie M., (1954)