Response of Sunflower to Nitrogen and Sulphur Nutrition PDF Download
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Author: Yammela Ramu Reddi
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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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.
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: Ch Narsi Reddy
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Book Description
Author: J. L. Sehgal
Publisher: Taylor & Francis
ISBN: 9789054107712
Category : Acid soils
Languages : en
Pages : 490
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Book Description
Author: M. V. Ivanov
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 504
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Book Description
Based on the SCOPE/UNEP Workshop on the Global Biogeochemical Sulphur Cycle, held at the Institute of Biochemistry and Physiology of Microorganisms, USSR Academy of Sciences, Pushchino, Oct. 15-19, 1979.
Author: Raghavan. P.
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Book Description
Author: Ashok Choudhary
Publisher: LAP Lambert Academic Publishing
ISBN: 9783330331693
Category :
Languages : en
Pages : 116
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Book Description
Sunflower (Helianthus annuus), which used to be an ornamental plants in India, has in recent times become an important source of edible oil. Globally, sunflower ranks second to soybean among annual field crops grown for edible oil.It was introduced to India in 1969 as an oil seed crop. Since it is a photo-insensitive crop, it can be grown throughout the year. Our country is facing acute shortage of edible oils mainly because of heavy demand due to population pressure, raised standard of living and high demand from oil consuming industries. The demand is partly meet by home production of oil seed crop and partly by import of edible oils. Under such situation it needs to build up self sufficiency in oil production to meet the increasing demand of consumers. Sunflower is one of the potential oil seed crops which can meet to the situation.
Author: Y.P. Abrol
Publisher: Springer Science & Business Media
ISBN: 9401702896
Category : Science
Languages : en
Pages : 424
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Book Description
Sulphur (S) plays a pivotal role in various plant growth and development processes being a constituent of sulphur-containing amino acids, cysteine and methionine, and other metabolites viz., glutathione and phytochelatins, co-factor of enzymes which contribute to stress repair and amelioration of heavy metal toxicity. Besides, a number of S-containing components are biologically active and, thus, a source for use as medicinal value. The basic global issue before the agricultural scientist and world community is to evolve cultivars and develop methodologies for efficient use of inputs to enhance agricultural productivity. This is particularly true of the developing countries which are going to see maximum rise in population with changing food demands and declining availability of land. Amongst the inputs, nutrients play a crucial role. The major requirement is for N, P and K followed by several micro-nutrients. In this context reports of world-wide S deficiency in the agricultural systems are relevant. The reasons are many. Broadly speaking reduction inS emission, use of S-free N, P and K fertilizers and higher biomass production contributed the maximum. Despite the need for sulphur as an essential plant nutrient and the substantial returns expected from its use, very little attention has been given to fill the gap between supply and demand of S.
Author: Allen V. Barker
Publisher: CRC Press
ISBN: 1420014870
Category : Science
Languages : en
Pages : 662
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Book Description
The burgeoning demand on the world food supply, coupled with concern over the use of chemical fertilizers, has led to an accelerated interest in the practice of precision agriculture. This practice involves the careful control and monitoring of plant nutrition to maximize the rate of growth and yield of crops, as well as their nutritional value.
