, TX, Ms. Bush called an EMG volunteer to identify native plants and assist with plant selection ( Oberg, 2002 ). The contribution of EMG volunteers to extension programs is well documented ( Martin, 2009 ). As extension budgets are trimmed and agents
in crop energy budgets and together typically make up about two-thirds of the total ( Paris et al. 2022 ; Pelletier et al. 2011 ). We excluded energy embedded in phosphate and potash fertilizers, which is far less than in nitrogen fertilizer, and
possible to select for new clones with similar yields to conventional clones but dry matter contents of around 30%, thereby increasing total carbohydrate yield. In addition, by removing the two constraints to breeding sweetpotato for food markets
of 61 cm) and nongrafted (in-row spacing of 48 cm) plants, respectively. Rows served as blocks at MRS and MHCREC; but at HSF, blocks were split among rows because of space constraints. All rows were established on 1.5-m centers. To avoid any edge
represent the nutrient contents of leaf N, P, K, Ca, and Mg, respectively. Yield-limiting factors and their contributions to the yield gap. The relationships between the pear yield and 18 yield constraint factors were evaluated using the boundary
determined in this study. Cover crops. Cover crop establishment and consequently their DM and N contribution were limited by lower than normal precipitation in 2012. Cover crop data were not collected in subsequent years due to labor and budget constraints
possible from each trial. Growers are also concerned with the reliability of the performance of alternative treatments, which is not captured as part of a standard partial budget analysis. The structure of the first set of trials we evaluated allowed us to
temperate, climacteric fruit ( Guohua et al., 2012 ; Hayama et al., 2006 ; Minas et al., 2018 ; Tonutti et al., 1991 ; Zhang et al., 2011 ) undergoes rapid ripening, which accounts for its short shelf life and represents a serious constraint for its
emerging, thereby presenting a major constraint to the root growth in the early stages of plant development (C. Estay, unpublished data). In the seedling trees, grafting also reduced the root and shoot biomass. Studies with macadamia seedling trees ( Firth
the parametric t test. We chose the Wilcoxon method over the t test because of the small sample constraint and the restriction associated with the assumption of normality. We assumed that the survey data followed the symmetric distribution. We had