共 22 条
- [1] ANNUAL COSTS OF PRODUCING SLOW-GROWING EVERGREENS (TAXUS) DIFFERENTIATED BY SIZE OF FIRM IN OHIO OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1984, (279): : 45 - 49
- [2] ANNUAL COSTS OF PRODUCING BROADLEAF EVERGREENS (RHODODENDRON) DIFFERENTIATED BY SIZE OF FIRM IN OHIO OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1984, (279): : 55 - 59
- [3] COSTS OF PRODUCING DECIDUOUS SHRUBS (VIBURNUM) IN THE FIELD BY SIZE OF FIRM IN OHIO OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1987, (291): : 45 - 50
- [4] COSTS OF PRODUCING SHADE TREES (ACER-RUBRUM) IN THE FIELD BY SIZE OF FIRM IN OHIO OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1987, (291): : 51 - 56
- [5] ANNUAL COSTS OF PRODUCING UPRIGHT DECIDUOUS SHRUBS (VIBURNUM) DIFFERENTIATED BY SIZE OF FIRM IN OHIO OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1984, (279): : 50 - 54
- [6] ANNUAL COSTS OF PRODUCING SPREADING DECIDUOUS SHRUBS (COTONEASTER) DIFFERENTIATED BY SIZE OF FIRM IN OHIO OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1984, (279): : 39 - 44
- [7] FIXED COSTS OF OPERATING FIELD NURSERIES IN OHIO BY SIZE OF FIRM AND SPECIES OF PLANT OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1987, (291): : 26 - 36
- [8] COMPARATIVE COSTS OF PRODUCING CONTAINER GROWN PLANTS IN OHIO DIFFERENTIATED BY SIZE OF FIRM AND SPECIES OF PLANT OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1984, (279): : 60 - 65
- [10] ANNUAL FIXED COSTS OF OPERATING CONTAINER NURSERIES IN OHIO DIFFERENTIATED BY SIZE OF FIRM AND SPECIES OF PLANT OHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTER RESEARCH CIRCULAR, 1984, (279): : 31 - 38