I [i.e. Primer] Congreso Mundial de Citricultura, 1973, Murcia-Valencia, 29 Abril-10 Mayo 1973, Volume 1Centro de Edafología y Biología Aplicada del Segura, 1974 |
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Página 247
... drain pipes and drain envelopes abutting drains . A key factor in minimizing sludge deposits is the method and care used in drain installation . In sandy soils , no organic matter should abut the envelope . Focal points for the rapid ...
... drain pipes and drain envelopes abutting drains . A key factor in minimizing sludge deposits is the method and care used in drain installation . In sandy soils , no organic matter should abut the envelope . Focal points for the rapid ...
Página 248
... drain outlets and Leptothrix bacteria grew on detector slides . Ochre in Florida drains contains 35 ° ( ± 16 ) organic matter consisting predominantly of soil organic matter transported into the drains in groundwater . Earlier reports ...
... drain outlets and Leptothrix bacteria grew on detector slides . Ochre in Florida drains contains 35 ° ( ± 16 ) organic matter consisting predominantly of soil organic matter transported into the drains in groundwater . Earlier reports ...
Página 249
... drain waters anaerobic and free of precipiated ochre . Unfortunately , ideal conditions cannot be maintained . Most sawdust filters at depth of 120 cm . or more have shown evidence of de- composition accompanied by reductions in ...
... drain waters anaerobic and free of precipiated ochre . Unfortunately , ideal conditions cannot be maintained . Most sawdust filters at depth of 120 cm . or more have shown evidence of de- composition accompanied by reductions in ...