共 50 条
- [34] SELECTING PEAT FOR REARING CONIFEROUS CONTAINER SEEDLINGS FORESTRY CHRONICLE, 1975, 51 (05): : 200 - 202
- [38] COTTON PETIOLE ANALYSIS AS AN INDICATOR OF PLANT NITROGEN STATUS IN RHODESIA RHODESIA AGRICULTURAL JOURNAL, 1979, 76 (01): : 37 - 42