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The effects of tillage, zero tillage and fertilizer sources on corn growth and yield and soil physical properties /Kelly, John Kevin. January 1985 (has links)
No description available.
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The effect of burning, liming and manuring on certain peat soils, as measured by plant growth.Lamb, Cecil A. January 1924 (has links)
No description available.
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Land management effects on the chemical composition of corn grown on sludge-amended soil.Evanylo, Gregory Kevin 01 January 1978 (has links) (PDF)
No description available.
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Intercropping corn and soybean :: planting pattern, plant density, and nitrogen fertilizer responses /Vargas, Antonio 01 January 1985 (has links) (PDF)
No description available.
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The effects of time, method and rate of boron fertilization on the incidence of brown curd and hollow stem disorders in cauliflower, Brassica Oleraceae, (Botrytis Gp.) /Mailler, Valerie J. 01 January 1986 (has links) (PDF)
No description available.
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Effects of nitrification inhibitors and nitrogen fertilizers on growth and composition of plants /Feng, Jinan 01 January 1988 (has links) (PDF)
No description available.
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Efficiency of the Inorganic Fertilization in the Cultivation of Alfalfa (Medicated Sativa L) and Whitewashing for the Correction of the pH of the SoilBravo Morocho, Alex Gonzalo 01 January 2001 (has links) (PDF)
In our country the necessity to offer new alternatives for the agricultural sector is high-priority especially for the lucern cultivation that every day is surface cultivated especially in the Chimborazo province increases; for what is of our interest to establish the answer from the cultivation to the inorganic fertilization and liming for the flora pH correction, for this way to obtain better yields and for consequence to improve the economic conditions of the farmers. With the result that the titled investigation: Efficiency of the Inorganic Fertilization in the Alfalfa Cultivation (Medicago sativa L) and Liming for the Correction of the pH of the Flora had the following objectives: to determine inorganic fertilization efficiency in the lucern cultivation and liming for the correction of the pH of the floor; to evaluate the production of the lucern cultivation; to carry out an economic analysis.
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A study of chlorine determination in fertilizersButler, Patrick Henry January 1930 (has links)
B.S.
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Effets du travail du sol, des systèmes de culture (monoculture et rotation) et du niveau de fertilisation azotée sur les émissions d'oxyde nitreux (N2O)Cadrin, François. January 1997 (has links)
No description available.
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Effect of fertilization on growth, nutrient status and leaf water potential of sugar mapleHelle, Janos K. January 1995 (has links)
No description available.
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