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Silva 2, H. This file is licensed under the Creative Commons Attribution 3. Grand Knight: The viability of the system is sensitive to a slight change in interest rates. By Benno Pokorny and Wil de Jong. Sistemas agroflorestais: Golfari L.
Grand Knight: Mike Waguespack Deputy Grand Knight: Ryan Halfmann Chancellor: Wendell Lively Recorder: Jones Financial Secretary: Frank Volleman Treasurer: Mike Coggins Lecturer: Mike Huxen Warden: Shannon Hammon Inside Guard: Clarence Hoelscher Outside Guard: Keith Brown Advocate: Scott Osman Trustee 3rd: Maghembe Bansal et al. The annual average rainfall ranges viable agricultural land use. There is a 7-month period which has lypt-based agroforestry system which uses sequential an average annual water deficit of mm.
The av- combinations of Eucalyptus spp.
At an average elevation of m, of the plantation, followed by the sowing of peren- the topography is flat to undulating CMM, pers. According to the forest inventory data, with success. Such a system provides potential alter- the soil is classified as dark red Oxisol distrophic, natives to amortize the initial establishment and main- loamy texture Characterization of the agroforestry system used at However, in order for agroforestry to be success- CMM ful in that region, it is necessary for both industry and farmers to have accurate biological, technical and The productive areas were covered initially with typ- economic information about the intercropping of ag- ical Cerrado vegetation that was cut to produce char- ricultural crops and tree plantation species.
Despite coal, which was sold subsequently on the industrial the theoretical basis and the availability of satisfac- market or used by the Company to produce zinc.
The seed source was from Petford in rado. At 7 years of age, the average productivity was 7. From to , Objectives fertilized plantations of Eucalyptus grandis, E.
The objectives of this research were: Eventually, the holes in the trees close, Beginning in , CMM developed a technology locking the wire in the wood, forming a high resis- of reforestation with hybrid eucalypt clones Eucalyp- tance fence. The Company decided to evaluate vanized wire.
Guarani in the first year, soybeans Overall production costs of the agroforestry system Glycine max var. After a day establishment period of the Switching from eucalypt monoculture to agrofor- pasture, the beef cattle are allowed into the area to estry requires intense soil preparation, which consists graze.
After slaughter, kg of meat are obtained per soning leaf-cutting ants three times ; mixing and ap- animal, or kg of meat per hectare per year. The plication of fertilizers; application of insecticide company sells 1, animals per year. The mainte- Nelore.
This ar- up to 6 m the third year. The costs of establishment, maintenance and har- The presence of cattle has not reduced the produc- vest of rice and soybeans include soil harrowing, tivity of eucalypts Oliveira and Macedo No ploughing and levelling, cleaning of the area rice , significant soil compaction has been observed in the limestone application, seed treatment, herbicide and studied areas.
Finally, the costs of acquisition and maintenance of cattle include cowboys, acquisition and transport of steers, salts, vaccines, vermifuges and other medi- cines. Revenue resulting from the sale of the products Figure 1.
Distribution of total discounted costs of operations of the Revenues from the sale of the following products agroforestry system and other land-use options in Minas Gerais, were obtained during the rotation: A project will be economically vi- wood and charcoal for barbecue.
The Internal Rate of ment of the planted forest is At the end of the rotation, a produc- ular periods. More than a third of the riodic cash flows, based on a given interest rate. The Land Expectation Value represents the net from the wood product sales obtained during the 11 present value of a reforestation project, given the oc- year rotation.
The costs as- infinitely Albuquerque The Equivalent Periodic respectively. Value represents the periodic and constant value nec- The distribution of the income resulting from the essary for the payment of an amount equal to the commercialization of the products obtained in the NPV of the current investment option along its useful agroforestry system of the company are presented in life Rezende and Oliveira The Cost-Benefit Figure 2.
Economic comparison between the agroforestry system and the eucalypt monoculture The indicators used in the economic analysis were the land expectation value LEV and the equivalent pe- riodic value EPV , which permit comparison of in- vestment alternatives characterized by different cash flows and return periods Silva Marquez NPV was not used because the two economic alter- Figure 2. Distribution of total discounted revenues resulting from natives did not have the same duration, nor IRR, be- the commercialization of the products obtained in the agroforestry cause of the different initial investment of each alter- system in Minas Gerais, Brazil.
The sale of However, if more of the wood could be used tained in the production cycle, which permits the am- for sawnwood, then a better return could be obtained ortization of the expenses associated with the estab- due to its higher value.
Each rotation lasts seven years, and Effect of changing product prices on the viability of the second and third rotations originate from coppiced the agrosilvopastoral system stumps. All la- changes to any of the products, one at a time.
The bour costs are included.
Those values are closely year throughout the production cycle. Consequently, NPV, nents of the system, one at a time. To the uploader: You must provide a link URL to the original file and the authorship information if available. The following 2 pages uses this file: The following other wikis use this file: Usage on en. Retrieved from " https: Hidden categories: Namespaces File Discussion.