Water-soluble nutrient concentrations in runoff of phosphorus, potassium and bromine ions in the beginning minutes of runoff, runoff in high concentrations, followed by rapid decay.

径流中养分浓度水溶性磷、钾离子和溴离子在开始产流几分钟内，径流浓度很高，随后迅速衰减。

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The first cut herbage were selected to study the effect of different harvest time and drying methods on the content of nutrient as water soluble carbohydrate (WSC).

研究了不同刈割期和干燥方法对第一茬牧草水溶性碳水化合物(wsc)等营养成分的影响。

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The order of nutrient factors important on rooting rate were reducing sugers, C : N ratio, total N, starch , and soluble sugers.

营养因子对生根率的重要性顺序为：还原糖、C/N、全N、淀粉、可溶性糖。

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