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  2. Philippine Nuclear Research Institute - Wikipedia

    en.wikipedia.org/wiki/Philippine_Nuclear...

    The "Precision Farming Methods with Stable Isotope Techniques," are done to improve soil test value and to provide fertilizer recommendations by using analyses based primarily on the N 15 and C 13 isotopes and the Soil Moisture Neutron Probe. [29] The PNRI helps with insect control in the Philippines through regulation or eradication.

  3. Philippine Rice Research Institute - Wikipedia

    en.wikipedia.org/wiki/Philippine_Rice_Research...

    Philippine Rice Research Institute (PhilRice) is a government corporate entity attached to the Department of Agriculture created through Executive Order 1061 on November 5, 1985 (as amended) to help develop high-yielding and cost-reducing technologies for farmers.

  4. Bureau of Soils and Water Management - Wikipedia

    en.wikipedia.org/wiki/Bureau_of_Soils_and_Water...

    The Philippines' Bureau of Soils and Water Management (Filipino: Kawanihan ng Pamamahala sa Lupa at Tubig, [1] abbreviated as BSWM), is an agency of the Philippine government under the Department of Agriculture responsible for advising and rendering assistance on matters relative to the utilization of soils and water as vital agricultural resources.

  5. Toxicity characteristic leaching procedure - Wikipedia

    en.wikipedia.org/wiki/Toxicity_characteristic...

    Toxicity characteristic leaching procedure (TCLP) is a soil sample extraction method for chemical analysis employed as an analytical method to simulate leaching through a landfill. The testing methodology is used to determine if a waste is characteristically hazardous, i.e., classified as one of the "D" listed wastes by the U.S. Environmental ...

  6. Soil test - Wikipedia

    en.wikipedia.org/wiki/Soil_test

    A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.

  7. Soil survey - Wikipedia

    en.wikipedia.org/wiki/Soil_survey

    Soil survey, or soil mapping, is the process of classifying soil types and other soil properties in a given area and geo-encoding such information. Background

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  9. Geotechnical investigation - Wikipedia

    en.wikipedia.org/wiki/Geotechnical_investigation

    A soil sample recovered from a test boring using a split spoon sampler. Borings come in two main varieties: large diameter and small diameter. Large-diameter borings are rarely used because of safety concerns and expense but are sometimes used to allow a geologist or an engineer to visually and manually examine the soil and rock stratigraphy in-situ.