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Author: Prakash Kumar
Publisher: CABI
ISBN: 1780642784
Category : Technology & Engineering
Languages : en
Pages : 392
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Book Description
Nutrient imbalance in soils is an emerging threat to sustainable agriculture: intensive cultivation, use of poor quality groundwater, depletion of soil organic matter and excessive use of fertilizers are major reasons for poor soil fertility worldwide. This necessitates correct diagnosis of plant nutrient deficiencies to avoid further use of pesticides in cases where pests or pathogens that are not in fact the cause of poor crop health. Richly illustrated with 600 colour photographs, this book is a visual field identification guide for symptoms of most common nutrient deficiencies in field crops, covering all their stages of occurrence. Detailed descriptions and suggested for management practices are given with each entry.
Author: Prakash Kumar
Publisher: CABI
ISBN: 1780642784
Category : Technology & Engineering
Languages : en
Pages : 392
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Book Description
Nutrient imbalance in soils is an emerging threat to sustainable agriculture: intensive cultivation, use of poor quality groundwater, depletion of soil organic matter and excessive use of fertilizers are major reasons for poor soil fertility worldwide. This necessitates correct diagnosis of plant nutrient deficiencies to avoid further use of pesticides in cases where pests or pathogens that are not in fact the cause of poor crop health. Richly illustrated with 600 colour photographs, this book is a visual field identification guide for symptoms of most common nutrient deficiencies in field crops, covering all their stages of occurrence. Detailed descriptions and suggested for management practices are given with each entry.
Author: Brian J. Alloway
Publisher: Springer Science & Business Media
ISBN: 1402068603
Category : Technology & Engineering
Languages : en
Pages : 370
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Book Description
A deficiency of one or more of the eight plant micronutrients (boron, chlorine, copper, iron, manganese, molybdenum, nickel and zinc) will adversely affect both the yield and quality of crops. Micronutrient deficiencies in crops occur in many parts of the world, at various scales (from one to millions of hectares), but differences in soil conditions, climate, crop genotypes and management, result in marked variations in their occurrence. The causes, effects and alleviation of micronutrient deficiencies in crops in: Australia, India, China, Turkey, the Near East, Africa, Europe, South America and the United States of America, are covered, and these are representative of most of the different conditions under which crops are grown anywhere in the world. Links between low contents of iodine, iron and zinc (human micronutrients) in staple grains and the incidence of human health problems are discussed, together with the ways in which the micronutrient content of food crops can be increased and their bioavailability to humans improved. Detailed treatment of topics, such as: soil types associated with deficiencies, soil testing and plant analysis, field experiments, innovative treatments, micronutrients in the subsoil, nutrient interactions, effects of changing cropping systems, micronutrient budgets and hidden deficiencies in various chapters provides depth to the broad coverage of the book. This book provides a valuable guide to the requirements of crops for plant micronutrients and the causes, occurrence and treatment of deficiencies. It is essential reading for many agronomy, plant nutrition and agricultural extension professionals.
Author: Noel J. Grundon
Publisher:
ISBN:
Category : Agricultural pests
Languages : en
Pages : 264
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Book Description
Indicates symptoms of nutrient deficiencies and toxicities of a range of field crops in Australia. The soils on which the problems are likely to develop and means of correcting the problem are included, as are colour photograph illustrations of symptoms.
Author: Nand Kumar Fageria
Publisher: CRC Press
ISBN: 9781439816967
Category : Science
Languages : en
Pages : 586
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Book Description
By the year 2050, the world's population is expected to reach nine billion. To feed and sustain this projected population, world food production must increase by at least 50 percent on much of the same land that we farm today. To meet this staggering challenge, scientists must develop the technology required to achieve an "evergreen" revolution-one
Author: Nilima Jayaraman
Publisher:
ISBN: 9781681170817
Category : Deficiency diseases in plants
Languages : en
Pages : 0
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Book Description
Nutrient imbalance in soils is an emerging threat to sustainable agriculture: intensive cultivation, use of poor quality groundwater, depletion of soil organic matter and excessive use of fertilizers are major reasons for poor soil fertility worldwide. This necessitates correct diagnosis of plant nutrient deficiencies to avoid further use of pesticides in cases where pests or pathogens that are not in fact the cause of poor crop healthy. Nutrient deficiencies in field crops generally occur because of low nutrient levels in the soil. Consider nutritional problems in relation to all conditions affecting plant growth, not exclusively in terms of the amounts of nutrients contained in or added to the soil. The presence of adequate quantities of plant nutrients in the soil is no guarantee that they will be absorbed by the plant roots. Nutrients may be present in forms not available to the plants, or other factors may prevent plant uptake. Unusually low or high soil pH levels can affect nutrient availability. Poor growing conditions, excessively wet or dry soils, cold weather, or soil compaction can significantly restrict root growth and access to soil nutrients. Differences in soil conditions within a field can provide additional evidence of the possible limiting nutrient. Both soil testing and tissue analysis should be used to corroborate nutrient levels in the soil and the plant.
Author: William F. Bennett
Publisher: American Phytopathological Society
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Grain crops. Sugar and oilseed crops. Vegetable crops. Fruit crops. Turfgrass.
Author: Siddaiah
Publisher:
ISBN: 9789351119890
Category : Deficiency diseases in plants
Languages : en
Pages : 274
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Book Description
Author: K. Snowball
Publisher: CIMMYT
ISBN: 9789686127485
Category : Technology & Engineering
Languages : en
Pages : 84
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Book Description
Author: Regis Voss
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
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Book Description
Author: John Edward Sawyer
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
