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农田水资源利用效益观测与评价技术规范? 总则
Criterion for observation and evaluation on water use efficiency in farmland.General principles
价格:¥0.00
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土壤凋萎含水量的测定? 生物法
Determination of permanent wilting water content in soil.Biological method
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土壤墒情评价指标
Evaluation index of soil moisture condition
价格:¥0.00
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绿化种植土壤
Planting soil for greening
价格:¥0.00
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岩溶地区水土流失综合治理技术标准
Techniques standard for comprehensive control of soil erosion and water loss in karst region
价格:¥13.00
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土壤检测 第23部分:土粒密度的测定
Soil testing.Part 23:Method for determination of soil particle density
价格:¥0.00
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土壤检测 第22部分:土壤田间持水量的测定 环刀法
Soil testing.Part 22:Cutting ring method for determination of field water-holding capacity in soil
价格:¥0.00
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土壤检测.第9部分:土壤有效钼的测定
Soil testing.Part 9:Method for determination of soil available molybdenum
价格:¥0.00
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水土保持工程初步设计报告编制规程
Compilation rules on preliminary design report of soil and water conservation project
价格:¥0.00
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水土保持工程可行性研究报告编制规程
Compilation rules on feasibility study report of soil and water conservation project
价格:¥0.00
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