نتایج جستجو برای: farm heterogeneity
تعداد نتایج: 132579 فیلتر نتایج به سال:
Smallholder farming systems in sub-Saharan Africa have undergone changes in land use, productivity and sustainability. Understanding of the drivers that have led to changes in land use in these systems and factors that influence the systems' sustainability is useful to guide appropriate targeting of intervention strategies for improvement. We studied low input Teso farming systems in eastern Ug...
The STAR level-3 trigger is a MYRINET interconnected ALPHA processor farm, performing online tracking of N 53!#, 58000 particles (N 10*/5 445 per track) with a design input rate of R"100 Hz. A large-scale prototype system was tested in 12/99 with laser and cosmic particle events. ( 2000 Published by Elsevier Science B.V. All rights reserved.
To the careless observer and general critic the making of a law is a very easy thing. But to the actual lawmaker who meets the usual difficulties and encounters the practical obstacles it is a very different matter, and it may be of interest to many to follow the course of a bill from beginning to end. In the first place it may be said that the legislature is only the "machine" through which la...
times, but more uncertainty seems to be hallmarks for 2008. Agriculture is experiencing the best times since the 1970s. It’s finally a boom for Indiana farmers and agribusinesses. Farm incomes are up. Equity is way up due to a 17% increase in land values. Farm families on average are on their strongest financial footing in 50 years. These better times are being driven by a worldwide surge in th...
A questionnaire survey was conducted to determine the worm control practices and anthelmintic usage of 150 key respondents involved in sheep and goat production in the arid Thal area of Pakistan. The information was collected by visiting farms, and interviewing the key respondents which included veterinary officers (n = 15), veterinary assistants (n = 51), traditional practitioners (n = 24), an...
This document describes how the currently specified IPv6 flow label can be used to enhance layer 3/4 (L3/4) load distribution and balancing for large server farms.
s 42, 93-103. Wollny, C. B. A. 2003. The need to conserve farm animal genetic resources in Africa: should policy makers be concerned? Ecological Economics 45, 341-351. Zeven, A. C. (1998) Landraces: A review of definitions and classifications. Euphytica 104, 127-139.
Along with the population increasing and social economic developing rapidly, the groundwater resource is affected by human activities seriously. In order to achieve optimal local allocation of water resources and promotion of local economic development, a suitable method for measuring the effect degree of human activities on groundwater resource system is very important. In this paper, regardin...
Two varieties of grapes, white grape and red grape grown in the Campania region of Italy were selected for the study of drying characteristics. Comparisons were made with treated and untreated grapes under constant drying condition of 50 C in a conventional drying system. This temperature was selected to represent farm drying conditions. Grapes were purchased from a local market from the same s...
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