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...Technical bulletin agro ecology basis of forestry and wood lots the demonstration sites for cambodia harvest use as design implementation combines perennial multipurpose crops that are planted once but continue to produce yields many years such trees lemongrass peppers with annual agricultural cash what is relationship between living organisms natural environment enhances systems by mimicking these processes can be thought much like forest where fertilizer pesticides not added rather ecosystem takes care itself creating an efficient productive balance all species present growing space used fit together vertically tall medium short plants horizontally planting spots occupied underground deep rooted shallow elements in ecosystems layers a canopy shrub understory groundcover nitrogen fixing fertility mulch leaf litter decomposition pest control insecticides beneficial insects ecological reproduction through careful incorporates main project second tier fintrac com www cambodiaharvest org ...