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Your search for [subject]Soils returned 836 records. |
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Manual on soil testing and soil improvement techniques.
Quezon City: BSWM.
Subject: Soils -- Testing -- Handbooks, manuals, etc; Soils -- Composition; Soils -- Analysis; Soils -- Conservation -- Philippines.
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Soil and rice.
Los Baños, Laguna, Philippines: International Rice Research Institute, 1978.
Subject: Rice soils -- World -- Congresses 0; Rice soils -- Composition -- Morphology -- Classification -- Congresses 0; Rice soils -- Physical properties -- Congresses 0; Rice soils -- Chemical and electrochemical changes -- World -- Congresses 0; Rice soils -- Microbiology -- World -- Congresses 0; Rice soils fertility 0; Rice soils management -- Congresses 0; Rice soils problem -- Congresses 0; Agriculture .
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Computerized parametic method of rating the productivity of Philippine soil resources for rice.
by Castillo-Seminiano, Simeona T.; 1981.
Subject: Rice -- Fertilizers and manures; Soils -- Survey -- Philippines; Soils -- Testing -- Computer programs; Soils -- Classificatiaon.
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Chemical changes in a limed and flooded acid sulfate fishpond.
by Baylon, Carlos Clemente.; 1981.
Subject: Soils -- Sulphur content; Liming of soils -- Philippines -- Iloilo; Soils -- Classification.
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Carbon, nitrogen and prosphorus status of volcanic and limestone soils in Leyte.
by Sueta, Juvia Pancho.; 2006.
Subject: Volcanic soils -- Philippines -- Leyte; Soils -- Nitrogen content; Soils -- Carbon content; Soils -- Phosphorus content.
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The Effect of lime on nutrient status of two grassland soils to Imperata cylindrica (L.) P. Beauv. and Themeda triandra Forsk.
by Magcale, Damasa B.; 1982.
Subject: Grasslands; Liming of soils; Soils -- Analysis; Soils -- Composition.
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Soils of Cagayan, Isabela, Negros Occidental, and Nueva Vizcaya.
Manila: [s.n..
Subject: Soils -- Philippines -- Cagayan; Soils -- Philippines -- Isabela; Soils -- Philippines -- Negros Occidental; Soils -- Philippines -- Nueva Vizcaya.
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Liming and phosphorous fertilization of an acid sulfate and ordinary acidic mineral soils grown to corn (Zea mays L.) and rice (Oryza sativa L.), 1981.
by Seripong, Surasak.; 1981.
Subject: Corn - Fertilizers and manures; Liming of soils; Soils - Phosphorous content; Soils - Sulphur content.
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Correlation of soil test values of phosphorus and potassoium with responses of rice to fertilizer application.
by Sonza, Petra Umahag.; 1981.
Subject: Rice -- Fertilizers and manures; Soils -- Phosphorus content; Soils -- Potassium content; Soils -- Testing.
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Release of potassium and magnesium from some Philippine soils.
by Tantidhanapat, Prapat, 1948-;
Subject: Soil fertility; Soils -- Magnesium content; Soils -- Potassium content; Soils -- Philippines.
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