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Increasing Food Crop Yields By More Efficient Use Of Fertilizers

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  • Samuels, George

Abstract

 farmer spends from 15 to 75 percent of the eost of materials for his crop for fertilizers. Yet, because of poor praetiees and lack of knowledge, the farmer can reduce the effectiveness of the fertilizer he is using. It is the purpose of this paper to help the farmer improve his fertilizer use, so as to insure that he is reeeiving füll value for the money he invests. Proper application of fertilizer as related to quantity, time and method of placement can increase fertilizer efficiency. Soil factors such as texture, organic matter, pH, compaction, moisture and salinity can influence the amounts and effïciency of the applied fertilizer. Plant factors such as the crop, root system, disease and insect damage, plant density, weeds and rutrient balance can modify the fertilizer effïciency l.osses of fertilizer occur with improper storage,

Suggested Citation

  • Samuels, George, 1981. "Increasing Food Crop Yields By More Efficient Use Of Fertilizers," 17th Annual Meeting, November 1-5, 1981, Caracas, Venezuela 262987, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs17:262987
    DOI: 10.22004/ag.econ.262987
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    References listed on IDEAS

    as
    1. Tai, Egbert A. & Kanhai, S. & Gardner-Brown, T., 1968. "A Spacing And Fertilizer Trial With Okra," 6th Annual Meeting, July 7-13, 1968, St. Augustine, Trinidad 263524, Caribbean Food Crops Society.
    2. Arregoces, O. & Gonzalez, J. & Otero, C., 1979. "Efecto De La Competencia De Malezas En El Rendimiento Del Arroz En Suelos Fangueados," 16th Annual Meeting, August 5-11, 1979, Santo Domingo, Dominican Republic 263049, Caribbean Food Crops Society.
    3. Perez-Escolar, R. & Lugo-Lopez, M. A. & Talleyrand, H. & Scott, T. W., 1977. "Utilization Of Nitrogen From Crop Residues In Oxisols And Ultisols," 14th Annual Meeting, June 27 - July 2, 1977, Guadeloupe and Martinique 263103, Caribbean Food Crops Society.
    4. Payne, Hugh, 1969. "The Status Of Fertilizer Trials With Corn In Jamaica," 7th Annual Meeting, June 29 - July 5, 1969, Martinique and Guadeloupe 263507, Caribbean Food Crops Society.
    5. del Valle, Reinaldo Jr. & Fox, R. H. & Lopez, M. A. Lugo, 1975. "Lack Of Response Of Soybeans Grown On An Ultisol To Broadcast Residual And Banded P-Fertilizers," 13th Annual Meeting, July 6-12, 1975, Trinidad and Tobago 263270, Caribbean Food Crops Society.
    6. Gumbs, F. A. & Ferguson, T. U., 1975. "The Effect Of Some Soil Physical Factors On The Yield Of White Lisbon Yams (Dioscorea Alata L.)," 13th Annual Meeting, July 6-12, 1975, Trinidad and Tobago 263310, Caribbean Food Crops Society.
    7. Hernandez-Medina, E. & Lugo-Lopez, M. A., 1968. "Plantain Production As Influenced By Magnesium And Minor Elements," 6th Annual Meeting, July 7-13, 1968, St. Augustine, Trinidad 263530, Caribbean Food Crops Society.
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