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Your search for [subject]Soil fertility returned 150 records. |
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The soil around us.
by Barrera, Alfredo; Manila, Philippines: Bureau of Soils, 1960.
Subject: Kind of soils; Soil structure; Soil texture; Characteristics of soils; Micro-organisms in soil; Organic matter; Soil moisture; Kind of soil formation; Soil fertility and fertilizer; Soil acidity and liming; Soil classification; Soil erosion and its maladies; Soil depletion; Kinds of soil erosion; Control of soil erosion; Soil conservation; Crops affect soil fertility; Ideal soil; Land capability; Conservation surveys.
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The Philippines recommends for soil fertility management, series no. 36-D.
Los Banos, Laguna, Philippines: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), Department of Science and Technology (DOST), 2006.
Subject: Soil fertility management; Soil fertility decline; Soil fertility status -- Philippines; Acid soils -- Lime requirements; Economics -- Judicious fertilizer management; Agriculture.
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Calibration of soil test values with responses of corn and sorghum to fertilization.
by Samonte, Henry P.; College, Laguna: UPLB, 1982. 219p. -(UPLB-PCARR Proj. No. 820).
Subject: ZEA MAYS; SORGHUM; SOIL; FERTILIZER APPLICATION; SOIL PHYSICOCHEMICAL PROPERTIES; SOIL FERTILITY; SOIL TYPES; NITROGEN; PHOSPHATES; POTASH FERTILIZERS.
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On-farm trials for integrated soil fertility management.
[S.l.: s.n.], 2001.
Subject: Soil fertility; Soil management; Soil fertility -- Research.
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Soil management.
by Davies, D. Bryan.; Manila: National Bk. Store.
Subject: Soil science; Tillage; Soil fertility; Plant-soil relationship.
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Toposequence of soils in Nakhon Ratchasima province, northwestern Thailand.
by Boonsompoppunth, Buree.; College, Laguna: B. Boonsompoppunth, 1981.
Subject: Soil minerology; Soil formation; Soils -- Classification; Soil fertility.
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Soil chemistry and its applications.
by Cresser, Malcolm S.; Cambridge, Mass.: Cambridge University Press, 1993.
Subject: Soil chemistry; Soil fertility; Soil pollution.
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Alleviating soil acidity and aluminum toxicity with organic matter, lime and phosphorous application.
by Lucrecio, Emma Simbajon.; 1992.
Subject: Soil acidity; Soil fertility; Corn -- Effect of soil acidity on.
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The effect of limestone on the fertility of acidic soil.
Aklan: Aklan State University.
Subject: Limestone; Acidic soil; Science -- study and teachings; Soil fertility.
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Productivity of soils grown to rubber in North Cotabato.
by Alon, Salinogen M.; Cotabato City: BS, 1981. 7p. -(PCARR-BS Spec. Proj. Ag).
Subject: SOIL; RUBBER; SOIL FERTILITY; PRODUCTION FACTORS; NORTH COTABATO; PHILIPPINES.
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