共 38 条
- [1] Allen R. N., 1972, CARELESS TECHNOLOGY
- [2] BROWN LR, 1974, BREAD ALONE, pCH7
- [3] CLAWSON M, 1971, AGRICULTURAL POTENTI
- [4] CORNEJO A, 1970, ARID LANDS TRANSITIO, P370
- [5] Dale T., 1955, TOPSOIL CIVILIZATION
- [6] DIELMAN PJ, 1963, 11 INT I LAND RECL I
- [7] DREGNE HE, 1975, NAT RES J, V15, P51
- [8] *FAO, 1971, 7 IRR DRAIN PAP
- [9] *FAO UNDP, 1969, HAIT RAPP FIN, V4, P13
- [10] Henderson David, 1965, ECON GEOGR, V41, P304