共 50 条
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- [2] Synthesis of 15N-labelled nornicotine and 15N-labelled nicotine JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, 2001, 44 (13): : 881 - 888
- [4] Seasonal subsoil denitrification of leached 15N-labelled nitrate CONTROLLING NITROGEN FLOWS AND LOSSES, 2004, : 357 - 358
- [6] Effect of rotation on the recovery of 15N-labelled fertilizer applied to wheat grown in Northern Syria JOURNAL OF AGRICULTURAL SCIENCE, 1997, 129 (04): : 397 - 407
- [8] Plant recovery of 15N-labelled nitrogen applied to reed canary grass grown for biomass Nutrient Cycling in Agroecosystems, 2001, 61 : 273 - 281
- [9] The effect of autumn applied 15N-labelled fertilizer on nitrate leaching in a cultivated soil during winter Nutrient Cycling in Agroecosystems, 2000, 56 : 99 - 107
- [10] 15N-Labelled Ammonium and Nitrate Uptake by the Grass Calamagrostis villosa ISOTOPENPRAXIS, 1993, 29 (1-2): : 77 - 84