Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 926 for “"Fertilizer"”.
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Maize response to fertilizer and fertilizer-use decisions for farmers in Ghana
… likely be increased by intensifying the use of fertilizer, other inputs, and irrigation systems. Recently, Ghana introduced a fertilizer subsidy program to help increase fertilizer-use rates, however, little work has been done to examine the effectiveness of this program, or to determine the …
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The impact of fertilizer subsidy scheme on the performance of fertilizer distributors in Tanzania
… financial performances of the distributors. Two fertilizer trading companies, MIs Tanzania Fertilizer Company Ltd and MIs Premium Agro Chern Ltd were taken as case studies. The data were analysed qualitatively and quantitatively using tables, ratios and trend analysis. Excel computer program was …
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Economic Potash Fertilizer Rate Recommendations
… that estimate profit-maximizing potassium (K) fertilizer application rates for various crops across different time periods. Estimation of profit-maximizing fertilizer-K rate (K*) for both studies considered the initial soil test level of K (STK) and yield response information, as traditional …
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Seed germination as affected by fertilizer applications
Call number: LD2668 .T4 1956 S63
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Seed germination as affected by fertilizer applications
Call number: LD2668 .T4 1956 S63
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An inventory control model for fertilizer retailers
… and literature review: The demand for fertilizer is highly seasonal in nature with peak demand periods in the spring and again in the fall. In contrast, fertilizer is manufactured year-round in order to take advantage of production economics. As a result, the fertilizer industry is …
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Biological methods for determining fertilizer requirements of crops
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Botany and Plant Pathology, 1951
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A Comparison of Procedures for Planning Fertilizer Use
Made available in DSpace on 2014-12-04T21:48:18Z (GMT). No. of bitstreams: 1 6206096.pdf: 6536175 bytes, checksum: ebe45889c55510d7d16a842c98231340 (MD5) Previous issue date: 1962
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Fertilizer 15N uptake efficiency in Midwestern corn production
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Evaluation of Urea Ammonium-Nitrate Fertilizer Application Methods
… worth considering in developing an efficient N fertilizer program.
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Essays on Malawian agriculture: Micro-level welfare impacts of agricultural productivity; profitability of fertilizer use; and targeting of fertilizer subsidy programs
… essay estimates the profitability of inorganic fertilizer use in maize production using fixed effects and multilevel models. The study finds that fertilizer use is generally unprofitable at prevailing market conditions when one assumes farmers incur positive transaction costs in the use of …
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Physical and chemical compatibility of herbicide-suspension fertilizer combinations
Digitized by Kansas Correctional Industries
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Physical and chemical compatibility of herbicide-suspension fertilizer combinations
Digitized by Kansas Correctional Industries
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Phosphate Fertilizer Industry and Its Impact on the Environment
Made available in DSpace on 2017-07-06T18:48:20Z (GMT). No. of bitstreams: 3 Hamamo_Heba_E_MS.pdf: 62438320 bytes, checksum: 4aec99905f37d463bc176092e46864c8 (MD5) Hamamo_Heba_E_MS_ABS.pdf: 654970 bytes, checksum: f8f43955a79c14254f5b6b55a28d3fb1 (MD5) license.txt: 4813 bytes, checksum: …
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Field Measurements of Denitrification From Fertilizer Applied to Turfgrass
Denitrification and mass balance measurements of fertilizer N applied to turf was studied under field and greenhouse conditions. Highly enriched 15N-labeled KNO3 or urea was applied to replicated plots on a Flanagan silt loam soil under Kentucky bluegrass (Poa pratensis L.) or creeping bentrgrass …
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Development of novel fertilizer manufacturing processes using human urine
… including topics such as source-separation, fertilizer effectivity, public perception, and logistics. Another important aspect is the urine treatment method and how resources are recovered. This is because urine is 97% water, making the logistics of using urine as a fertilizer challenging. In …
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An experimental auger-boom-type fertilizer distributor with automatic control
… spreaders are widely used to apply dry fertilizer. Uniformity of distribution is severely limited by the centrifugal-fan and boom-type distributors used on these spreaders. The purpose of this study was to investigate the application of automatic control principles to an experimental …
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