Studies on Nitrogen and Sulphur Fertilization of Sunflower PDF Download
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Author: N. Neelakantal Potty
Publisher:
ISBN:
Category :
Languages : en
Pages : 120
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Book Description
Author: N. Neelakantal Potty
Publisher:
ISBN:
Category :
Languages : en
Pages : 120
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Book Description
Author: HITTANAHALLI NARASAPPA M
Publisher:
ISBN:
Category :
Languages : en
Pages : 141
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Book Description
Author: Munzer M. Sundos
Publisher:
ISBN:
Category : Nitrogen fertilizers
Languages : en
Pages : 180
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Book Description
Author: G. Mrinalini
Publisher:
ISBN:
Category :
Languages : en
Pages : 151
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Book Description
Author: Oudho Persaud Homenauth
Publisher:
ISBN:
Category : Nitrogen fertilizers
Languages : en
Pages : 440
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Book Description
Author: Austen Alexandra Samet-Brown
Publisher:
ISBN: 9780355855869
Category : Crops and nitrogen
Languages : en
Pages : 106
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Book Description
The production of high quality confectionary sunflower seeds and sunflower seed oil is important in the production of this crop. Very little research has been done that looked at and documented the effect of nitrogen on sunflower hybrids, oil quality and confectionary seed quality components. Therefor studies were conducted in 2014 and 2015 to determine the effects of nitrogen rates and hybrids on sunflower growth, yield, oil content, oil quality, and confectionary seed quality and size on sunflowers being grown in the Big Horn Basin. Results from the study showed that the measured sunflower growth parameters and seed yields were not affected by the different rates of applied nitrogen fertilization. However, the different sunflower hybrids did impact the measured growth parameters and yield data. Sunflower plant height was inconsistent amongst hybrids throughout the growing seasons, however, in general, the two confection seed hybrids matured faster than the oil seed hybrid with hybrid Sierra maturing the slowest. Harvest weight results were also inconstant amongst the hybrids in 2014 and 2015. The head diameter measurement showed a significant difference amongst hybrids in both 2014 and 2015 where oil seed hybrids Defender Plus and Sierra had the largest head diameters of 52.8 and 56.1 centimeters in 2014 and 59.2 and 29.4 centimeters respectively in 2015. In regards to seed yields hybrids D9512 and Defender Plus were consistently yielding the highest whereas oilseed hybrid X9452 was consistently the lowest yielding sunflower hybrid. The oil quality, when looking at the proportion of saturated, monounsaturated and polyunsaturated fatty acids, were not significantly affected by varying rates of applied nitrogen fertilizer. However, there were a few individual fatty acids that were effected by nitrogen rates but these components contributed very little to the overall quality of the oil. The oil content percentage was significantly affected by nitrogen application in 2015 but not in 2014. The results show a higher oil content percentage of 33.5% at the lowest rate of applied nitrogen (84 kg N/hectare) and the lowest oil content percentage of 30.0% at the highest rate of applied nitrogen (336 kg N/hectare). These results are relatively consist with other studies done on this subject. The oil quality and content did differ between hybrids, in regards to quality we would expect this as two of our hybrids were high oleic hybrids and the other was a high linoleic hybrid. The oil content percentage was inconstant however in general hybrid Sierra seamed to produce the lowest oil content while hybrid Defender Plus and X9452 had higher oil content percentages. The confectionary sunflower seed quality was not impacted by nitrogen application rates or hybrid. Results from this study show that sunflower production in the Big Horn Basin of both confectionary seeds and oil seeds under irrigation can be a viable market for producers to enter. Results also suggest that a lower rate of nitrogen fertilizer could be used to obtain competitively high yields as well as a high quality product in regards to confectionary seeds and oil quality and content.
Author: Muhammad Saleem Kubar
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659575969
Category :
Languages : en
Pages : 64
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Book Description
Sunflower is the second most important oil seed crop in the world. Nitrogen is the most of important nutrient for crop production and is required throughout the crop growth period from vegetative stage to subsequent harvesting. One of the main causes of low yield is imbalanced and inadequate supply of nutrients. Proper amount and time of fertilizer application is considered a key to the bumper crop. The most logical approach to increasing N fertilizer use efficiency is to supply nitrogen when it is needed by the crop. Use of optimum amount of fertilizer through a suitable application method at a time when it is most efficiently and effectively utilized is imperative. Plant N use efficiency can be improved by matching application rate and timing with plant demands. This study was proposed to investigate the effect of timing and nitrogen fertilizer application on growth and yield of sunflower.
Author: Satwinderjit Kaur
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Book Description
Author: Yammela Ramu Reddi
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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Book Description
Author: K. Usha Rani
Publisher: LAP Lambert Academic Publishing
ISBN: 9783847345534
Category :
Languages : en
Pages : 80
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Book Description
Sulphur is required by the plants in amounts similar to phosphorus (P) and is important in protein formation and other plant functions. It significantly influences yield and quality of crops, improves odor and flavors, and imparts resistance to cold, and hence it is generally considered as a 'quality nutrient'. Sulphur-deficient soils are widely distributed around the world. In the event of inadequate level of sulphur in soil, response of crops to other nutrients also declines. In addition, the imbalanced use of nitrogen and phosphorus in comparison to S, has widened, the N: S and P: S ratios in soil. Resultantly, the yield of oilseed crops, especially sunflower, is severely affected. Considering this aspect, a comprehensive case study was conducted to evaluate the response of sunflower to different sources and levels of sulphur in semi- arid Alfisol soils. The experiences documented in this book will be highly useful to Agricultural Scientists, Students, Land managers, NGOs, State Agricultural Departments, Agricultural Extension and Transfer of Technology Agencies, not only in India but also in other countries of the world with similar climatic and edaphic environments.
