Fertilizers. Sampling-Recommendations for minimum mass of increment of a solid fertilizer to be taken to be representative of the total sampling unit
肥料 取样 代表总取样单位的固体肥料最小增量质量建议
发布日期:
1988-09-30
包含计算增量最小质量公式推导的一些理论背景,并给出表格中的数值示例。
Contains some of the theoretical background to the derivation of formulae for calculating the minimum mass of an increment and gives examples of values in tables.