共 50 条
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- [32] SEASONAL VARIATION OF CHLOROPHYLL IN WESTERN WHEATGRASS AND BLUE GRAMA JOURNAL OF RANGE MANAGEMENT, 1970, 23 (05): : 372 - &
- [33] MINERAL AND PROTEIN CONTENTS OF BLUE GRAMA AND WESTERN WHEATGRASS JOURNAL OF RANGE MANAGEMENT, 1969, 22 (01): : 47 - &
- [34] WATER-MOVEMENT IN A RECLAIMED SITE AND ASSOCIATED SOILS AT A MINE SITE IN WESTERN NORTH-DAKOTA NORTH DAKOTA FARM RESEARCH, 1980, 37 (06): : 5 - &
- [35] RUNOFF AND EROSION CHARACTERISTICS OF SURFACE-MINED SITES IN WESTERN NORTH-DAKOTA TRANSACTIONS OF THE ASAE, 1977, 20 (04): : 697 - &
- [36] REDUCED TILLAGE FERTILIZER PLACEMENT ON CONTINUOUS SPRING WHEAT IN WESTERN NORTH-DAKOTA NORTH DAKOTA FARM RESEARCH, 1986, 43 (04): : 30 - 33
- [37] HAIL SUPPRESSION DATA FROM WESTERN NORTH-DAKOTA, 1969-1972 JOURNAL OF APPLIED METEOROLOGY, 1975, 14 (05): : 755 - 762
- [39] FORAGE ESTABLISHMENT AND SOIL FERTILITY ON A RECLAIMED MINE SPOIL IN WESTERN NORTH-DAKOTA NORTH DAKOTA FARM RESEARCH, 1983, 40 (06): : 22 - &
- [40] EFFECT OF SEEDING RATE ON SPRING WHEAT YIELDS IN WESTERN NORTH-DAKOTA - UPDATE NORTH DAKOTA FARM RESEARCH, 1979, 37 (02): : 15 - 20