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Anthony Whitbread,Neil MacLeod,Cam McDonald,Bruce Pengelly,Kingsley Ayisi,Jeffery MkhariEducational Policy, and Institutional Advocacy ..Psychoeducational Assessment and Related Issues ..Academic, Therapeutic, and Consultative Intervention ..Working with Interpreters ..Research...School psychologi978-0-387-71799-9改正 发表于 2025-3-25 17:53:02
Principles of a Systems Approach to Agricultureracteristics of systems include: productivity, profitability, efficiency, stability, sustainability, equity, flexibility, adaptability and resilience. Efficiency of resource use should be optimised, bearing in mind Liebscher’s Law of the Optimum. Efficient use of energy and water are necessary for psperse 发表于 2025-3-25 22:02:35
Types of Rainfed Farming Systems Around the Worldories, systems are subdivided into two archetypes, based on low or high levels of productivity and farming intensity. Factors that influence the intensity and productivity of rainfed farming systems include the ratio of precipitation to potential evapotranspiration, water availability, drought risk,Lime石灰 发表于 2025-3-26 02:37:27
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Sustainable Pest Management in Rainfed Farming Systemsts include crop rotations, intercropping, sowing rates, sowing time and soil tillage. Management of pests requires growers to understand the interactions between the pests and crops in their regions and to use the most appropriate tools to reduce the potential damage. While no one system would be apMast-Cell 发表于 2025-3-26 18:56:42
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