SOIL CONSERVATION

被引：0

作者：

CONKLIN, HE ^{[1
]}

机构：

[1] CORNELL UNIV,DEPT AGR ECON,ITHACA,NY 14853

来源：

关键词：

D O I：

10.1126/science.196.4294.1040-a

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

引用

页码：1040 / 1041

页数：2

共 50 条

[1] Soil Conservation
Van Royen, William
[J]. GEOGRAPHICAL REVIEW, 1940, 30 (03) : 517 - 518
[2] Soil Conservation
Ekblaw, W. Elmer
[J]. ECONOMIC GEOGRAPHY, 1940, 16 (01) : 107 - 108
[3] Soil conservation
Gager, CS
[J]. ECOLOGY, 1940, 21 (02) : 271 - 272
[4] SOIL CONSERVATION
SAMPSON, RN
[J]. SIERRA, 1983, 68 (06) : 40 - 44
[5] SOIL CONSERVATION
不详
[J]. GEOGRAPHICAL JOURNAL, 1940, 96 (03): : 217 - 218
[6] SOIL CONSERVATION
MAHAN, AR
[J]. JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 1949, 114 (865) : 250 - 250
[7] SOIL CONSERVATION
MINCKLER, LS
[J]. JOURNAL OF FORESTRY, 1982, 80 (10) : 632 - 632
[8] SOIL CONSERVATION
JACKS, GV
[J]. NATURE, 1948, 162 (4105) : 13 - 14
[9] DIVISION VI - SOIL CONSERVATION - COMPACTION AS A FACTOR IN SOIL CONSERVATION
FREE, GR
[J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1953, 17 (01): : 68 - 70
[10] Soil Conservation and the Maintenance of Soil Productivity
Bradfield, Richard
[J]. ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1952, 281 : 118 - 125