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- [32] Nitrogen fixation by white clover in pastures grazed by dairy cows: Temporal variation and effects of nitrogen fertilization Plant and Soil, 2001, 229 : 177 - 187
- [36] Effects of Corn and Soybean Meal Types on Rumen Fermentation, Nitrogen Metabolism and Productivity in Dairy Cows ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 2015, 28 (03): : 351 - 359