共 50 条
- [1] Conservation of soil and water resources for combating food crisis in Nigeria [J]. SCIENTIFIC RESEARCH AND ESSAYS, 2010, 5 (06): : 507 - 513
- [2] CROP PRODUCTION DEMANDS AND THE CONSERVATION OF SOIL RESOURCES IN OHIO [J]. OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1982, (269): : 3 - 14
- [4] SOIL SCIENCE IN RELATION TO WATER RESOURCES DEVELOPMENT .3. SOIL MOISTURE CONSERVATION [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1969, 33 (03): : 480 - +
- [5] HELIUM RESOURCES PRODUCTION AND CONSERVATION [J]. NATIONAL BUREAU OF STANDARDS MONOGRAPHS, 1968, (111): : 1 - &
- [6] The role of the natural resources conservation service in the development and implementation of soil and water conservation policies in the United States [J]. SOIL AND WATER CONSERVATION POLICIES AND PROGRAMS: SUCCESSES AND FAILURES, 2000, : 45 - 49
- [9] Conservation of forest resources by rural farmers in Anambra State, Nigeria [J]. JOURNAL OF AGRICULTURAL EXTENSION, 2014, 18 (02): : 177 - 184
- [10] DEVELOPMENT AND CONSERVATION OF MINERAL-RESOURCES [J]. TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 1992, 45 (02): : 79 - 88