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Financial management for custom hire service of tractor in Bangladesh

International Journal of Agricultural and Biological Engineering 2013年第3期6卷 28-33页

作者： Anisur Rahman Most.Latifunnahar Md Monjurul Alam Department of Farm Power and Machinery Bangladesh Agricultural UniversityMymensingh-2202Bangladesh

The main purpose of the study was to determine the economic parameters and effective schedules for tractor *** data from various sources were used in this *** essential data were collected from primary sources through *** costs were calculated and project financial profitability was determined by four major factors on farm financial measurement techniques,namely,benefit-cost ratio(BCR),net present value(NPV),internal rate of return(IRR),and payback *** the economic use,land topography and cropping pattern was developed to effective scheduling for tractor *** operating cost of tractor with implement was found to be US$9.25 per *** replacement of the existing tractor on expiry of economic life,the entrepreneur has to save an amount of US$219 per year in a bank *** on the operating cost,annual savings for replacement and a profit margin for the entrepreneur,the rent-out charge of the tractor is estimated at US$11.58 per *** 10%interest rate,the NPV of the tractor at existing condition is US$*** NPV of tractor indicates that tractor entrepreneurship is considered financially sound and the project is financially viable,with an average IRR of 36.96%.This is because IRR of the tractor was higher than the bank interest rate and it is highly profitable from the viewpoint of individual *** Payback period of tractor with implement was determined as 2.03 *** minimum tenure for an economic use of a common tractor used in agriculture is about 6310 *** this critical use,the utilization of a tractor is economical for a tractor *** on the cropping pattern two major and one minor turn-around periods are available in between cropping seasons for tilling *** time available for tilling of land is estimated about 140 days at 12 hours a day in a *** strengthen the existing capacity of the tractor customer hire service entrepreneurs an

关键词： tractor operating cost economic parameter effective scheduling tractor entrepreneur Bangladesh

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Plant Growth,Yield Components,economic Responses,and Soil Indigenous K Uptake of Two Cotton Genotypes with Different K-Efficiencies

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Agricultural Sciences in China 2011年第5期10卷 705-713页

作者： JIANG Cun-cang XIA Ying CHEN Fang LU Jian-wei WANG Yun-hua College of Resources and Environment Huazhong Agricultural University Wuhan 430070 P.R.China Wuhan Botanical Garden Chinese Academy of Sciences Wuhan 430074 P.R.China

HG103,a high K-efficiency cotton cultivar with high-yield potential,and LG122,a low K-efficiency cotton cultivar with low-yield potential were used to study the genotypic variation on yield,economic responses,and soil indigenous K exploitation for cotton in pot and field conditions in 2006 and *** indicated that both the cultivars differed significantly in the rate of translocation of dry matter into reproductive organs and the time of running into reproductive *** yield and economic parameters of HG103 were much better than *** content in cotton shells reached the highest level at maturity stage for both *** also showed that the K content in each plant part of HG103 was lower than that of *** two genotypes showed different efficiencies and abilities on absorbing soil rapidly available K and slowly available ***122 showed higher absorption of K rate than HG103 after K fertilization,but on the contrary,HG103 uptake more soil indigenous K than LG122 in no K fertilization *** result indicated that HG103 could tolerant and absorb more soil indigenous K than LG122,under condition of soil K ***122 could grow well and absorb more K nutrient when soil K supply is *** results demonstrated that higher K content in plant tissues and higher K uptake by plant may not an exclusive condition for high yield planting with K *** translocation of more dry matters into reproductive organs is one of the key mechanisms of high K use efficiency in cotton.

关键词： cotton (Gossypium hirsutum L.) dry matter partitioning K depletion indigenous K uptake economic parameter

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