the potential environmental impact of N fertilization, an N budget or mass balance (inputs versus outputs) approach is needed ( Follett, 2001 ; Vos, 1996 ). This approach may lead to options for improving N management in crop production systems ( Vos
, we calculated the inverse elasticity of supply for each apple variety. We also used partial budget and economic impact analyses to calculate the profit losses from a potential expansion of apple maggot. Materials and methods First, to assess
Tomato is the top-ranking fresh-market vegetable crop in the United States with an annual market value of $1.3 billion ( U.S. Department of Agriculture, 2010a ). Weeds are a major constraint to vegetable production, reducing fruit yield and quality
., 1997 ; Pimentel et al., 1992 ). New laws banning or restricting pesticide use on school properties, coupled with budget reductions, have severely reduced the ability of turfgrass managers to manage pests ( Miller and Henderson, 2012 ). Sports fields
with respect to the market, from the constraints it has to deal with while going about its business ( Lanfranchi et al., 2014 ; Lanfranchi and Giannetto, 2014 ). These constraints are ascribable to the very structure of the undertaking as well as to
arboreta: Future directions New York Botanical Garden and Amer. Assn. Botanic Gardens Arboreta Swarthmore, PA Bamberger, M. Rugh, J. Church, M. Fort, L. 2004 Shoestring evaluation: Designing impact evaluations under budget, time and data constraints Amer. J
, 2009 ) and added additional water-use constraints for urban landscapes in 2010. A major element of this legislation was the establishment of the California MWELO, which requires the implementation of water budgets based on ET o , an ETAF, and LA in
Budgets for Doña Ana County, NM ( Hawkes and Libbin, 2019 ). These enterprise budgets were developed, and updated annually, by panels of extension economists, producers, and experts familiar with the specific production system and cropping region
drought-tolerant groundcovers, including ‘Wheeler Canyon’, ‘Joyce Coulter’, and ‘Joan Mirov’. Video Analysis of Olive Damage Improves Canopy Shakers Fruit injury is a major constraint to the use of mechanical harvesting for table olives. Castro-Garcia et
as consistent as possible given weather and time constraints and differing full bloom dates (Supplemental Table 3). Target fruitlet counts were calculated by multiplying TCSA (Supplemental Table 4) by target crop density (0, 3, 6, or 9 fruit/cm 2