Soil sampling and preparation for laboratory analysis
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การอ้างอิง
Tenedero, R. A., & Surtida, M. B. (Eds.). (1986). Soil sampling and preparation for laboratory analysis. Tigbauan, Iloilo, Philippines: SEAFDEC Aquaculture Department.
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Acid sulfate soils and their management for brackishwater fishponds
(Aquaculture Department, Southeast Asian Fisheries Development Center; International Development Research Centre; Island Publishing House, Inc., 1984)The major problems of fishponds build on acid sulfate soils are low pH; ionic imbalance and toxic levels of aluminum, iron, and sulfate; deficiency of phosphorus and poor response to fertilizer application; slow and poor ...
