Author: Vern L. Marble
Publisher:
ISBN:
Category :
Languages : en
Pages : 58
Book Description
Winter wheat, with an annual average acreage of about 300,00o acres, forms an integral part of the farm economy of Utah. For many years intermountain agronomists and farmers alike have known dry-land wheat production to be limited by low summer rainfall. In the past 15 years, however, it has become apparent through intelligent research that in many cases lack of nitrogen has been the limiting factor. When this occurs, winter wheat production can be increased by correcting this nitrogen deficiency. It has also become apparent that a lack of nitrogen is responsible for much of the poor quality wheat received by wheat processors form certain areas of the United States. To supple the needed nitrogen broth commercial fertilizers and green-manure crops have been used, but of particular importance at this time are commercial fertilizers. Until 1949 investigators of this problem used soil applications of either organic or inorganic nitrogen fertilizers in their studies. In that year Finney and Shellengerger (Kansas State College) began the first of their tests using "NuGreen" a synthetic urea fertilizer containing 44% nitrogen, as a foliage spray. Other experiments have shown that if large amounts of nitrogen fertilizer are added to dry farm wheat during a dry year, the yield may actually be reduced because the early vegetative growth is stimulated and the limited soil moisture is not able to bring about satisfactory maturity. It would seem that if nearly all of the nitrogen were withheld until the nearly mature, and then added as a spray, the danger of excessive early stimulation might be avoided while the protein content of the wheat might be increased. The results obtained by all of these tests were encouraging enough to warrant a study here in Utah of winter wheat fertilization involving the use of "NuGreen". It was proposed that the study be conducted on dry lands representative of intermountain conditions, and that it cover a two-year period. It was intended that in the first year a preliminary of "feeler" test would be conducted to determine whether or not it was feasible to spray nitrogen on wheat. The intent was, that if favorable results were secured, this preliminary test would be followed in the second year by a more extensive study to obtain detailed information as to what effect urea spray might have on winter wheat. Objectives of these studies were: 1. To find the stage of maturity of the wheat plant at which urea spray would give the greatest protein increase. 2. To find the stage of maturity of the wheat plant at which urea spray would give the greatest yield increase. 3. To determine what amount of nitrogen, when supplied as urea, would give the greatest stimulus to yield and protein, or both. 4. To compare the accepted practice of supplying nitrogen by soil application with the new method of adding it as foliage spray.
The Influence of Time and Rate of Application of Urea Spray on the Yield and Protein Content of Winter Wheat
Author: Vern L. Marble
Publisher:
ISBN:
Category :
Languages : en
Pages : 58
Book Description
Winter wheat, with an annual average acreage of about 300,00o acres, forms an integral part of the farm economy of Utah. For many years intermountain agronomists and farmers alike have known dry-land wheat production to be limited by low summer rainfall. In the past 15 years, however, it has become apparent through intelligent research that in many cases lack of nitrogen has been the limiting factor. When this occurs, winter wheat production can be increased by correcting this nitrogen deficiency. It has also become apparent that a lack of nitrogen is responsible for much of the poor quality wheat received by wheat processors form certain areas of the United States. To supple the needed nitrogen broth commercial fertilizers and green-manure crops have been used, but of particular importance at this time are commercial fertilizers. Until 1949 investigators of this problem used soil applications of either organic or inorganic nitrogen fertilizers in their studies. In that year Finney and Shellengerger (Kansas State College) began the first of their tests using "NuGreen" a synthetic urea fertilizer containing 44% nitrogen, as a foliage spray. Other experiments have shown that if large amounts of nitrogen fertilizer are added to dry farm wheat during a dry year, the yield may actually be reduced because the early vegetative growth is stimulated and the limited soil moisture is not able to bring about satisfactory maturity. It would seem that if nearly all of the nitrogen were withheld until the nearly mature, and then added as a spray, the danger of excessive early stimulation might be avoided while the protein content of the wheat might be increased. The results obtained by all of these tests were encouraging enough to warrant a study here in Utah of winter wheat fertilization involving the use of "NuGreen". It was proposed that the study be conducted on dry lands representative of intermountain conditions, and that it cover a two-year period. It was intended that in the first year a preliminary of "feeler" test would be conducted to determine whether or not it was feasible to spray nitrogen on wheat. The intent was, that if favorable results were secured, this preliminary test would be followed in the second year by a more extensive study to obtain detailed information as to what effect urea spray might have on winter wheat. Objectives of these studies were: 1. To find the stage of maturity of the wheat plant at which urea spray would give the greatest protein increase. 2. To find the stage of maturity of the wheat plant at which urea spray would give the greatest yield increase. 3. To determine what amount of nitrogen, when supplied as urea, would give the greatest stimulus to yield and protein, or both. 4. To compare the accepted practice of supplying nitrogen by soil application with the new method of adding it as foliage spray.
Publisher:
ISBN:
Category :
Languages : en
Pages : 58
Book Description
Winter wheat, with an annual average acreage of about 300,00o acres, forms an integral part of the farm economy of Utah. For many years intermountain agronomists and farmers alike have known dry-land wheat production to be limited by low summer rainfall. In the past 15 years, however, it has become apparent through intelligent research that in many cases lack of nitrogen has been the limiting factor. When this occurs, winter wheat production can be increased by correcting this nitrogen deficiency. It has also become apparent that a lack of nitrogen is responsible for much of the poor quality wheat received by wheat processors form certain areas of the United States. To supple the needed nitrogen broth commercial fertilizers and green-manure crops have been used, but of particular importance at this time are commercial fertilizers. Until 1949 investigators of this problem used soil applications of either organic or inorganic nitrogen fertilizers in their studies. In that year Finney and Shellengerger (Kansas State College) began the first of their tests using "NuGreen" a synthetic urea fertilizer containing 44% nitrogen, as a foliage spray. Other experiments have shown that if large amounts of nitrogen fertilizer are added to dry farm wheat during a dry year, the yield may actually be reduced because the early vegetative growth is stimulated and the limited soil moisture is not able to bring about satisfactory maturity. It would seem that if nearly all of the nitrogen were withheld until the nearly mature, and then added as a spray, the danger of excessive early stimulation might be avoided while the protein content of the wheat might be increased. The results obtained by all of these tests were encouraging enough to warrant a study here in Utah of winter wheat fertilization involving the use of "NuGreen". It was proposed that the study be conducted on dry lands representative of intermountain conditions, and that it cover a two-year period. It was intended that in the first year a preliminary of "feeler" test would be conducted to determine whether or not it was feasible to spray nitrogen on wheat. The intent was, that if favorable results were secured, this preliminary test would be followed in the second year by a more extensive study to obtain detailed information as to what effect urea spray might have on winter wheat. Objectives of these studies were: 1. To find the stage of maturity of the wheat plant at which urea spray would give the greatest protein increase. 2. To find the stage of maturity of the wheat plant at which urea spray would give the greatest yield increase. 3. To determine what amount of nitrogen, when supplied as urea, would give the greatest stimulus to yield and protein, or both. 4. To compare the accepted practice of supplying nitrogen by soil application with the new method of adding it as foliage spray.
Fertilizer Abstracts
Author:
Publisher:
ISBN:
Category : Fertilizers
Languages : en
Pages : 494
Book Description
Publisher:
ISBN:
Category : Fertilizers
Languages : en
Pages : 494
Book Description
I. Effect of Time and Rate of Application of Anhydrous Ammonia on Yield and Protein Content of Winter Wheat
Author: Glennis Owen Boatwright
Publisher:
ISBN:
Category :
Languages : en
Pages : 166
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 166
Book Description
Effect of Late Foliar Applications of Urea on Protein, Hardness, and Yield of Winter Wheat Cultivars (Triticum Aestivum L.)
Author: David Wayne Altman
Publisher:
ISBN:
Category : Plant proteins
Languages : en
Pages : 154
Book Description
The response of cultivars of winter wheat to foliar applications of urea was examined for grain protein content, yield, and kernel hardness. The objectives of this study were to measure the effect of urea on these three traits in diverse environments and to explain how potential responses could occur by (1) determining potential uptake of N15 labelled urea from foliar application under greenhouse conditions using different cultivars, light duration, and soil fertility levels; (2) analyzing immature spike samples collected following foliar applications in the field during the flowering period; and (3) examining grain from primary and secondary tillers and from central and lateral florets within spikelets. Foliar applications significantly increased grain protein content over the control and standard topdressing treatment in most cultivars. For example, for a single cultivar at the Hyslop location in 1979-1980, protein percents of 11.18, 12.22, and 13.60 were obtained for the control, standard topdressing, and foliar urea treatments respectively. Generally, foliar applications of urea failed to increase grain yield over the control, and yield was significantly below the standard topdressing treatment. However, the combination of topdressed nitrogen with foliar sprays produced yields equal to topdressing alone while significantly increasing protein. Mean yields at the Wasco location of the topdressing treatment and the combination of topdressing and one foliar application were 4.05 and 4.04 T/ha, whereas the grain protein content averaged 9.34 and 10.45 percent respectively. Foliar applications of urea did not significantly alter kernel hardness. Significant cultivar x nitrogen treatment interactions were found for protein, yield, and hardness, and split applications of foliar nitrogen did not significantly change these results. A potential uptake of 29.2 to 61.4 percent of actual foltar applications was found with N15 labelled urea in a greenhouse experiment. A significant effect for light duration was observed with recovery values of 41.4 and 46.6 percent for 12 and 18 hour photo-periods respectively. The varieties Stephens and Centurk had a significant difference in uptake of 48.1 and 39.9 percent recovery respectively. Following urea sprays which were initially applied at the heading stage, nitrogen treatment differences were found within three weeks after anthesis. The ranking of treatments from immature spike analysis corresponded to grain protein analysis at harvest. Nitrogen treatments did not change the protein or hardness levels disproportionately for mature spikes in comparing grain from primary and secondary tillers or from central and lateral florets within the spikelets.
Publisher:
ISBN:
Category : Plant proteins
Languages : en
Pages : 154
Book Description
The response of cultivars of winter wheat to foliar applications of urea was examined for grain protein content, yield, and kernel hardness. The objectives of this study were to measure the effect of urea on these three traits in diverse environments and to explain how potential responses could occur by (1) determining potential uptake of N15 labelled urea from foliar application under greenhouse conditions using different cultivars, light duration, and soil fertility levels; (2) analyzing immature spike samples collected following foliar applications in the field during the flowering period; and (3) examining grain from primary and secondary tillers and from central and lateral florets within spikelets. Foliar applications significantly increased grain protein content over the control and standard topdressing treatment in most cultivars. For example, for a single cultivar at the Hyslop location in 1979-1980, protein percents of 11.18, 12.22, and 13.60 were obtained for the control, standard topdressing, and foliar urea treatments respectively. Generally, foliar applications of urea failed to increase grain yield over the control, and yield was significantly below the standard topdressing treatment. However, the combination of topdressed nitrogen with foliar sprays produced yields equal to topdressing alone while significantly increasing protein. Mean yields at the Wasco location of the topdressing treatment and the combination of topdressing and one foliar application were 4.05 and 4.04 T/ha, whereas the grain protein content averaged 9.34 and 10.45 percent respectively. Foliar applications of urea did not significantly alter kernel hardness. Significant cultivar x nitrogen treatment interactions were found for protein, yield, and hardness, and split applications of foliar nitrogen did not significantly change these results. A potential uptake of 29.2 to 61.4 percent of actual foltar applications was found with N15 labelled urea in a greenhouse experiment. A significant effect for light duration was observed with recovery values of 41.4 and 46.6 percent for 12 and 18 hour photo-periods respectively. The varieties Stephens and Centurk had a significant difference in uptake of 48.1 and 39.9 percent recovery respectively. Following urea sprays which were initially applied at the heading stage, nitrogen treatment differences were found within three weeks after anthesis. The ranking of treatments from immature spike analysis corresponded to grain protein analysis at harvest. Nitrogen treatments did not change the protein or hardness levels disproportionately for mature spikes in comparing grain from primary and secondary tillers or from central and lateral florets within the spikelets.
Monograph Series
Author: Utah State University
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 430
Book Description
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 430
Book Description
Effect of Nitrogen Fertilizer on Yield and Protein Content of Winter Wheat in Utah
Author: Howard Boyd Peterson
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 40
Book Description
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 40
Book Description
Bulletin
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 108
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 108
Book Description
Abstracts of Theses for Advanced Degrees Awarded at the Commencement
Author: Utah State University
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 462
Book Description
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 462
Book Description
Sustainable Agriculture Reviews
Author: Eric Lichtfouse
Publisher: Springer Science & Business Media
ISBN: 331900915X
Category : Science
Languages : en
Pages : 314
Book Description
Sustainable agriculture is a rapidly growing field aiming at producing food and energy in a sustainable way for humans and their children. It is a discipline that addresses current issues: climate change, increasing food and fuel prices, poor-nation starvation, rich-nation obesity, water pollution, soil erosion, fertility loss, pest control and biodiversity depletion. This series gathers review articles that analyze current agricultural issues and knowledge, then proposes alternative solutions.
Publisher: Springer Science & Business Media
ISBN: 331900915X
Category : Science
Languages : en
Pages : 314
Book Description
Sustainable agriculture is a rapidly growing field aiming at producing food and energy in a sustainable way for humans and their children. It is a discipline that addresses current issues: climate change, increasing food and fuel prices, poor-nation starvation, rich-nation obesity, water pollution, soil erosion, fertility loss, pest control and biodiversity depletion. This series gathers review articles that analyze current agricultural issues and knowledge, then proposes alternative solutions.
Abstracts of Theses for Advanced Degrees Awarded at Commencement
Author: Utah State Agriculture College
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 56
Book Description
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 56
Book Description