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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.
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Purbeck Stone
Treleven Haysom
Hardcover
R1,029
Discovery Miles 10 290
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