Written in EnglishRead online
|Statement||by W.W. Garner ... [et al.].|
|Series||Technical bulletin / United States Department of Agriculture -- no. 414, Technical bulletin (United States. Dept. of Agriculture) -- no. 414.|
|Contributions||Garner, W. W. b. 1875., United States. Dept. of Agriculture.|
|The Physical Object|
|Pagination||78 p. :|
|Number of Pages||78|
Download The Nitrogen nutrition of tobacco
THE NITROGEN NUTRITION OF TOBACCO By W. GARNER Principal Physiologist in Charge C. W, BACON Associate Physiologist J. BOWLING Assistant Biochemist and D. BROWN Chief Scientific Aid Division of Tobacco and Plant Nutrition Bureau of Plant Industry UNITED STATES DEPARTMENT OF AGRICULTURE, WASHINGTON, D.C.
Get this from a library. The Nitrogen nutrition of tobacco. [W W Garner; United States. Department of Agriculture.]. Cite this chapter as: Bendixen R., Sattelmacher B., Hansen U.P. () The effect of nitrogen nutrition on the resistance of tobacco to light by: 1.
A recently developed empirical model of plant internal nitrogen cycling was adapted to sulfur and applied to characterise whole plant sulfur relations in wild‐type tobacco and the transformant.
Both transformation and nitrogen nutrition strongly affected sulfur pools and sulfur by: for estimating the nitrogen nutrition of Burley tobacco have been studied in field experiment set on Gleyic Luvisol (WRBSR, ).
Six nitrogen rates (0, 40, 80,and kg ha -1) have been tested. Soil and plant tissues samples have been analyzed during two stages of plant growthCited by: 1. over excessive rates of nitrogen and their potential link to high nitrosamine levels in the cured leaf. Additionally, nitrogen fertilizer prices are expected to increase as a result of increasing fuel prices and homeland security concerns.
In light of these issues the nitrogen recommendations for tobacco grown in Kentucky have been revised. Abstract: As a result of the recent tobacco buyout tobacco growers are facing lower leaf prices and increased scrutiny of their production practices. Tobacco companies have expressed concerns over excessive rates of nitrogen and their potential link to high nitrosamine levels in the cured leaf.
The aim of this paper is to study the quantitative relationship between above-ground nitrogen accumulation (ANA) of flue-cured tobacco and canopy spectral parameters, and then build a monitoring model for ANA of flue-cured tobacco based on various spectral indices.
Tobacco was grown in the field under different nitrogen fertilisation levels. Nitrogen has a greater effect on tobacco yield and quality than any other nutrient. Too little nitrogen reduces yield and results in pale, slick cured leaf. Too much nitrogen may increase yield slightly but may also make mechanical harvesting and curing more difficult, delay maturity, extend curing time, and result in more unripe cured leaf.
Nitrogen fertilization is one of the major factors for yield and quality in tobacco growing. Virginia tobaccos do not easily tolerate shortages as well as excesses of nitrogen fertilization, which both affect their yield and quality. Trials have been conducted since to develop a diagnosis tool for nitrogen nutrition of Virginia tobacco: the petiole juice method.
Objective: In this paper, the characteristics of nitrogen mineralization and nitrogen supply of yellow soil planted with tobacco during the growing period of flue-cured tobacco were studied, thus providing a theoretical basis for nitrogen nutrition control of flue-cured tobacco. Method: The field plot experiment adopted the in situ incubation and two experimental fields of yellow soil with.
Nitrogen: Nitrogen is a very important element in the growth and quality of the tobacco leaf. Nitrogen has a major role in the content of nicotine, chlorophyll, and other important substances in the leaf that are essential for growth. Some signs of nitrogen deficiency are when the leaves are more of a pale yellow versus a bright green color.
Tobacco - Nitrogen (N) Deficiency. By: Matthew Vann, Josh Henry, Paul Cockson, Brian Whipker Tobacco Nutrient Information. By far, nitrogen (N) is the most widely applied nutrient for plant growth.
It should come as no surprise, that symptoms of nitrogen deficiency readily develop with. The influence of ammonium, nitrate, and urea nitrogen upon nicotine synthesis in tobacco leaves has been investigated under conditions unfavorable for optimum carbohydrate formation.
Ammonium nitrogen compared with nitrate seemed definitely to have increased the relative nicotine content of tobacco leaves in the earlier stages of growth. This book brings together the latest research on protein absorption by ruminants and takes a look at the calculation of optimum nutrient requirements, including bacterial digestion, in the calculations.
It also describes the parameters of nitrogen conversion in the ruminant and examines the different kinds of protein found in animal feedstuffs. Nitrogen is considered to be the most important nutrient in tobacco fertilization, as it affects plant development more than any other nutrient Increasing applied nitrogen rate will increase tobacco yield, but excessive nitrogen may show no yield benefit and can reduce cured leaf quality sing applied nitrogen rate increases the amount of ash, nicotine, resin, and petroleum ether.
The form of N nutrition influences HR development induced by Psph. To investigate the role of and nutrition on HR-associated defence, tobacco cv. Gatersleben plants were grown in hydroponic solutions containing either 3mM KNO 3 (referred to as -fed plants) or 3mM NH 4 Cl (referred to as -fed plants) for 1 week and then challenged with Psph.
Nutritional deficiencies. Like many crops, tobacco needs various minerals for growth and good leaf quality. Its fertilisation is quite complex because it is particularly affected by: the richness and balance of soil nutrients (soil tests are essential); - type of tobacco grown and the variety chosen.
The potassium content of tobacco leaves increased by %, % and % at the maturity stage, which was beneficial to quality improvement of tobacco.
The nutrition absorption efficiency and. The influence of ammonium, nitrate, and urea nitrogen upon nicotine synthesis in tobacco leaves has been investigated under conditions unfavorable for optimum carbohydrate formation. Ammonium. In feeding experiments, tobacco Fp significantly exceeded casein, soy, corn and other cereal proteins in protein efficiency, i.e., the weight increment of growing rats per gram of protein ingested.
All in all, tobacco Fp may be the best nutritional and functional food protein. Some say that moving to a plant-based diet is the nutritional equivalent of quitting smoking. There are similarities between the strategies used by the tobacco industry in the mid th century and those used by food industries in the 21 st century—carefully worded denials, attempts to bury damaging reports, funding supportive research, and.
By far, nitrogen (N) is the most widely applied nutrient for plant growth. It should come as no surprise, that symptoms of nitrogen deficiency readily develop with tobacco plants. In tobacco, one of the first indicators of limited nitrogen is stunted growth. Plant growth stalls and leaf expansion slows.
The present study was based on the general hypothesis that boron may affect the accumulation and utilization of other nutrients in plant. For this purpose a field experiment was carried out to find out the influence of boron on the different nutrients content in FCV tobacco (Nicotiana tabacum L.) at TRS Khan Garhi, Mardan, during Two varieties TM and Speight G were tested.
The value for tobacco-air cured, Havana Seed type (Nicotiana tabacum) dry matter % was estimated from the values for tobacco-air cured, Burley type and tobacco-air cured, Maryland Broadleaf type.
Nitrogen. Heger, J. The nutritional value of some high-yielding cultivars of. Zimbabwe remains the largest producer of tobacco in Africa and the sixth largest globally with tobacco now the critical cash crop for a wide swathe of farmers in ecological regions two and three.
The form of nitrogen nutrition affects resistance against Pseudomonas syringae pv. phaseolicola in tobacco J Exp Bot. Jan;64(2) doi: /jxb/ers Epub Dec Authors Kapuganti J Gupta 1. Considerable attention has been given in recent years to using liquid ammonium form of nitrogen for tobacco.
This has been spurred in part by the cost of nitrate nitrogen fertilizers and the inconvenience of applying large amounts of dry fertilizer. Research conducted in North Carolina over the last decade has consistently shown that fertility programs.
All plants utilize nitrogen (N) in the form of NO3- and NH4+. It is most imperative element for proper growth and development of plants which significantly increases and enhances the yield and its.
plant nutrition and complement each other. C alcium fertilization of many crops is frequently confused with lime or gyp-sum soil amendments. Many believe application of these minerals to soils sufficiently supplies the calcium re-quirement of crops.
Unfortunately, the role of calcium in plant nutrition is of-ten eclipsed by interest in macronutri. About this book For several years prior tonational officers of the American Society of Agronomy (ASA) had discussed the desirability of tailoring informational programs more to the needs and interests of practicing agronomists, including agricultural consultants.
nutrition guidelines and di-etary practices that have been documented as being effective through peer-reviewed research. Profession-als who have studied sports nutrition, have experi-ence in the field, and continue to stay abreast of the latest nutrition research can prescribe individualized dietary plans that meet basic nutritional needs, en.
Fertilizers promote plant growth through increasing plant nutrition and changing soil microbial communities. Here, the association between soil microbial communities and tobacco (Nicotiana tabacum L.) quality was investigated via high-throughput MiSeq sequencing and LC-GC-MS after applying fertilizers in purple soil.
Biochar + chemical fertilizer (BC) and a high-carbon fertilizer +. Tobacco and tomato plants grown at varied sulfur levels were exposed to phytotoxic concentrations of atmospheric sulfur dioxide (SO 2).Increased sulfur nutrition was associated with a greater degree of SO 2 susceptibility in both species.
The increased injury parallelled elevated foliar total-sulfur absorption from both the nutrient solution and the SO 2-atmosphere. Knowing the nitrogen use efficiency (NUE) of crops is crucial to minimize environmental pollution, although NUE is rarely provided for numerous genotypes in the tobacco (Nicotiana tabacum L.) crop.
Through the growth of contrasting genotypes in nutritive solutions, we aimed to characterize five NUE components of 28 genotypes and to classify them according to their efficiency and responsiveness.
With the horse, receiving altogether some kg hay and oats per 24 h, the daily nitrogen intake was g, and the nitrogen recovered in urine and dung came to only g.
The cow, fed on hay and potatoes, had a daily intake of g nitrogen and the recovered output, including 46. PDF ( K) Nitrogen Constituents of Burley Tobacco Resulting from Ammonium and Nitrate Nutrition. L.E. Gilmore 1. 1 Agricultural Research Officer, Tobacco Division, Experimental Farms Service, Ottawa, Canada.
Published on the web 23 August Atkinson PH, Matthews RE. On the origin of dark green tissue in tobacco leaves infected with tobacco mosaic virus.
Virology. Feb; 40 (2)– Balachandran S, Osmond CB. Susceptibility of Tobacco Leaves to Photoinhibition following Infection with Two Strains of Tobacco Mosaic Virus under Different Light and Nitrogen Nutrition Regimes. Book Description. Inthe first edition of Handbook of Plant Nutrition presented a compendium of information on the mineral nutrition of plants available at that time—and became a bestseller and trusted resource.
Updated to reflect recent advances in knowledge of plant nutrition, the second edition continues this tradition. Historian Avery O. Craven, in Soil Exhaustion in the Agricultural History of Virginia and Maryland, (), maintained that "soil exhaustion and tobacco cultivation went hand in hand."10 Tobacco rapidly depleted the soil, hence luxuriant crops could be grown for only three or four years.
Soon after planting, soil nutrients — especially nitrogen and potassium—began to decline and. Photoacclimation was studied in tobacco leaves (Nicotiana tabacum cv Xanthi) infected with two strains of tobacco mosaic virus (TMV) and grown under different light and nitrogen nutrition regimes.
Photosynthetic acclimation measured by the quantum yield and the maximum rate in saturating light of CO2-saturated photosynthesis was impaired to a greater extent in tobacco leaves infected with TMV.Rubisco is a rate-limiting factor for potential photosynthesis under the present atmospheric air conditions.
Although there is no variation in the enzymic properties of Rubisco among rice varieties including old and modern cultivars, the specific activity is 30 to 40% lower than that in other higher plants such as wheat, spinach, and tobacco.nitrogen will show a smaller response to foliar applications of urea than plants containing less nitrogen.
This is partially a result of plants with low nitrogen status being more efficient in absorbing and translocating nitrogen from foliar urea applications than those with higher nitrogen status.
Advantages of fall foliar nitrogen 1.