EFFECTS OF STARTER FERTILIZER, GRANULAR PHOSPHORUS FERTILIZER, TIME OF FERTILIZATION, AND SEEDLING PHOSPHORUS CONCENTRATION ON FLUE-CURED TOBACCO GROWTH AND NUTRITION
http://www.tobaccoscienceonline.org/doi/pdf/10.3381/0082-4623-44.1.19
"The advent of greenhouse seedling production has resulted in the production of transplants with a different type of root
system and growth habit at the time of transplant compared to traditional bare-root transplants. These differences may
result in a different response to early-season fertilization. In addition, fertilization practices have changed to favor post-
transplant application of nutrients. Field studies were conducted from 1994 to 1997 to determine the effects of
starter fertilizer, conventional phosphorus (P) fertilizer rate, delayed fertilization, and the P concentration of transplants
on early growth, nutrient uptake, date of flowering, yield, quality, and cured leaf nutrient content of flue-cured tobacco
grown on high P soils. Starter fertilizer increased early-season growth and nutrient uptake and resulted in slightly
accelerated flowering. Yield and visual quality were not affected except for a slight visual quality improvement in one
experiment. Phosphorus fertilization rate had little effect on most parameters measured, with only a small yield increase
in one experiment. Delayed fertilizer application lengthened the growing season slightly, but did not have detrimental
effects on yield or quality index. Lower than normal transplant P tissue concentration did not affect subsequent
growth, yield, or quality. These experiments indicate that there is little advantage to using starter fertilizer on flue-cured
tobacco grown on high-P sandy soils and that delayed fertilization is not detrimental to final yield and quality. This
study also confirms that the use of height-restricting low-P nutrient regimes during greenhouse production of seedlings
is not detrimental to field performance."
The Tobacco Science Journal
system and growth habit at the time of transplant compared to traditional bare-root transplants. These differences may
result in a different response to early-season fertilization. In addition, fertilization practices have changed to favor post-
transplant application of nutrients. Field studies were conducted from 1994 to 1997 to determine the effects of
starter fertilizer, conventional phosphorus (P) fertilizer rate, delayed fertilization, and the P concentration of transplants
on early growth, nutrient uptake, date of flowering, yield, quality, and cured leaf nutrient content of flue-cured tobacco
grown on high P soils. Starter fertilizer increased early-season growth and nutrient uptake and resulted in slightly
accelerated flowering. Yield and visual quality were not affected except for a slight visual quality improvement in one
experiment. Phosphorus fertilization rate had little effect on most parameters measured, with only a small yield increase
in one experiment. Delayed fertilizer application lengthened the growing season slightly, but did not have detrimental
effects on yield or quality index. Lower than normal transplant P tissue concentration did not affect subsequent
growth, yield, or quality. These experiments indicate that there is little advantage to using starter fertilizer on flue-cured
tobacco grown on high-P sandy soils and that delayed fertilization is not detrimental to final yield and quality. This
study also confirms that the use of height-restricting low-P nutrient regimes during greenhouse production of seedlings
is not detrimental to field performance."
The Tobacco Science Journal
http://www.tobaccoscienceonline.org/doi/pdf/10.3381/0082-4623-44.1.19
Last edited:
