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- [41] VARIATION IN TOTAL NITROGEN-CONTENT IN PHYLLANTHUS-URINARIA LINN - AS INFLUENCED BY SOIL-NITROGEN COMPARATIVE PHYSIOLOGY AND ECOLOGY, 1978, 3 (02): : 79 - 80
- [42] STUDIES OF CONSIDERING SOIL INORGANIC NITROGEN-CONTENT IN DIMENSIONING NITROGEN RATES FOR SUGAR-BEET ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1986, 30 (03): : 157 - 162
- [43] THE USE OF N-NO3 AS AN INDICATOR OF THE NITROGEN-CONTENT OF THE BANANA PLANT FRUITS, 1983, 38 (09): : 629 - 631
- [44] THE USE OF MINERAL AND BIOLOGICAL NITROGEN-FERTILIZATION IN SOYBEAN AGROCHIMICA, 1984, 28 (5-6): : 418 - 423
- [46] SOIL INORGANIC NITROGEN-CONTENT IN SPRING AS DEPENDENT ON SOIL CLASS, WEATHER CONDITIONS AND PRECEDING CROP ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1988, 32 (02): : 107 - 114
- [47] NITROGEN-FERTILIZATION OF GRASS SEED CROPS AS RELATED TO SOIL MINERAL NITROGEN NETHERLANDS JOURNAL OF AGRICULTURAL SCIENCE, 1988, 36 (04): : 375 - 385
- [48] OBSERVATION OF THE NITROGEN-CONTENT OF RICE FIELD SOIL SOLUTIONS AFTER UREA PLACEMENT AGRONOMIE TROPICALE, 1987, 42 (01): : 13 - 19
- [49] SESBANIA-ROSTRATA GREEN MANURE AND THE NITROGEN-CONTENT OF RICE CROP AND SOIL SOIL BIOLOGY & BIOCHEMISTRY, 1983, 15 (01): : 111 - 113