usable field capacity
收藏data.europa2024-04-28 更新2025-04-19 收录
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The usable field capacity of a soil is the part of the field capacity available for vegetation. It contains the amount of water that a groundwater remote site can withhold in natural storage after sufficient saturation against gravity and, according to the convention, corresponds to a suction voltage of pF 1.8 to 4.2. http://www.lgb-rlp.de/fileadmin/service/lgb_downloads/boden/bfd5l_methodenbeschriebe/bfd5l_nutzbarefeldkapazitaet.pdf
土壤有效田间持水量（usable field capacity）是田间持水量中可供植被利用的组分。该指标指远离地下水的土体在充分饱和并经重力排水后，于自然储水状态下所能保持的水量；按照行业通用惯例，其对应的土壤水吸力范围为pF 1.8至4.2。http://www.lgb-rlp.de/fileadmin/service/lgb_downloads/boden/bfd5l_methodenbeschriebe/bfd5l_nutzbarefeldkapazitaet.pdf
