the North Carolina Department of Agriculture and Consumer Services Agronomic Division Laboratory for nutrient analyses ( Hardy et al., 2003 ). The small grain cover was allowed to mature until 2 weeks before the first planting date, when all plots were
Planting date is an important factor affecting soybean grain yield and grain quality. Early planting is recommended for soybean production in the northern and upper Midwest United States ( De Bruin and Pedersen, 2008 ; Robinson et al., 2009
( Forbes and Ferguson, 1947 ; Patton et al., 2007c ). Planting date may also impact zoysiagrass establishment rate. Patton et al. (2004) reported optimum establishment time of zoysiagrass from seed was from 1 to 15 June. Establishment of ‘El Toro
date, plant density, cover system, and use of pollinator bees) on yield and on the occurrence of misshapen fruit in strawberry plants grown under tunnels in Spain over two seasons. Materials and Methods Site description and agronomy Two field
greater availability and use of density-tolerant hybrids and growing them at densities that optimize performance ( Quinn 2019 ). Does the sowing date influence optimum plant density? The extent to which the sowing date interacts with the crop response to
, and row spacings as sub-subplots. Each plot consisted of four rows spaced either 37.5 or 75 cm apart with 150 cm distance between plots. Each experiment consisted of four replications per planting date. The rows were 3.6 m long. About 100 seeds were
shorter photoperiods in early spring, taking advantage of mild air temperatures. The objectives of this study were to determine if day-neutral hemp cultivars were suitable for planting in early spring in Georgia and how planting date may affect growth
Intercropping is a management system that maximizes production per unit area of land. Intercropping has to be carried out with crops that are compatible in order to ensure increased productivity. An intercropping study was conducted to determine a suitable planting pattern for corn (Zea mays), an overstory crop, and sweetpotato (Ipomoea batatas), an under-story crop. Five relative planting dates were established for each component crop (3 week; before, 3WB; 2 weeks before, 2WB; simultaneous, SIM; 2 weeks after, 2WA; and 3 weeks after, 3WA planting the other crop). Monocrop of each component was also planted. The marketable yields of sweetpotato were reduced by 48, 57, 75, 76 and 74% when sweetpotato was intercropped with corn and planted 3WB, 2WB, SIM, 2WA and 3WA corn, respectively. Corn grain yields were reduced 28, 28, 26, 57, and 66% when intercropped with sweetpotato beginning 3WB, 2WB, SIM, 2WA and 3WA sweetpotato, respectively. Although yields of individual component crop were reduced in intercrop, there was no significant difference in land utilization. Land equivalent ratio, area time equivalent ratio, and competition ratio were not significantly affected by planting date. Intercropping corn and sweetpotato was compatible when both crops were simultaneously planted.
this study proved to be just as effective for providing ample recovery from cultivation techniques. Fig. 2. Effect of planting date on kentucky bluegrass turf quality following preplant cultivation techniques averaged across years. Bars represent F
`Chandler' strawberries were planted on four dates to ascertain optimum planting time under central Arkansas conditions. Greenhouse-rooted plugs were planted in four replications in a randomized complete-block design. Each replication was planted in double rows 6 m long on beds with 1.4-m centers. Plots were established on 9/28, 10/7, 10/26, and 11/5. Number of branch crowns, yield, and number of runners/plant indicated that the earliest planting date was too late, and thus, the optimum date was missed. Equivalent yields of 16,173 kg·ha–1 were obtained from the earliest date, dropping to 8539 kg·ha–1 when planted 10 days later.