COLLECTIVE FARMS OF THE USSR, 1929-1940
| Year | No. of collective
farms in 1,000's |
Sown area of collect-
ive farms, mill. h/ares |
% of collective sown area
serviced by MTS |
| 1929 | 57.0 | 4.2 | - |
| 1930 | 85.9 | 38.1 | 27.4 |
| 1931 | 211.1 | 79.0 | 37.1 |
| 1932 | 211.1 | 91.5 | 49.3 |
| 1033 | 224.6 | 93.6 | 58.7 |
| 1934 | 233.3 | 98.6 | 63.9 |
| 1935 | 245.4 | 104.5 | 72.4 |
| 1936 | 242.2 | 110.5 | 82.8 |
| 1937 | 243.7 | 116.0 | 91.2 |
| 1938 | 242.4 | 117.2 | 93.3 |
| 1939 | 241.1 | 114.9 | 94.0 |
| 1940 | 236.3 | 117.6 | 94.5 |
(N.B. - The decrease in the numbers of collective farms after 1935 was due to the merging of small collective farms in a number of districts)