Orchard Groundcover Management - Amaya Atucha

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Nitrogen Budget INPUTS INTERNAL FLUXES Fertilization Irrigation and precipitation water N Bark mulch Recycling surface vegetation Leaf litter fall Pruned wood Soil N mineralization OUTPUTS Harvested fruit Subsurface leaching Surface Runoff
Litter decomposition study • Litter samples: apple leaves, fallen immature fruits and surface vegetation. • 3 bags with 40 g of litter were placed under the tree canopy • Bags were removed after 6, 12 and 18 weeks and analyzed to determine C:N
Page 1 and 2: Orchard groundcover management effe
Page 3 and 4: Long-term Effects of Four Groundcov
Page 5 and 6: Pre-emergence Post-emergence Sod Ba
Page 7 and 8: Letters in columns represent mean s
Page 9 and 10: Long-term effects of GMSs treatment
Page 11 and 12: Yao et al. (2005) Orchard floor man
Page 13 and 14: • Total soil nitrogen (N) and car
Page 15: Objective • To measure and budget
Page 19 and 20: Leaf litter fall
Page 21: PreHerb PostHerb Mowed Sod Mulch Su
Page 25 and 26: Results
Page 27 and 28: Average nitrate-N (NO 3 -N) concent
Page 29 and 30: A. EXTERNAL INPUTS PreHerb (kg N·h
Page 31: Ques7ons

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