Zinc nutrition in tropical tuber crops: A review
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Title |
Zinc nutrition in tropical tuber crops: A review
Not Available |
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Creator |
K. SUSAN JOHN1, P.S. ANJU2, G. SUJA3 JEENA MATHEW4 AND Y.S. SHIVAY5
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Subject |
Cassava, Coleus, Elephant foot yam, Soil test-based Zn recommendation, Sorption characteristics of Zn, Sweet potato, Taro, Weighted average of Zn, Yams
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Description |
Not Available
Tropical tuber crops are known for their biological efficiency, climate, soil and pest resilience, quantity and quality starch for the preparation of several industrial value added products. Their inherent yield potential results in the uptake of substantial quantum of nutrients from the soil necessitating their replenishment through external sources. In addition to the major and secondary nutrients, the micronutrient requirement of these groups of crops are very high though deficiency disorders are manifested in extreme cases. Depletion of Zn noticed under continuous cultivation of cassava (Manihot esculenta Crantz) over 14 years under a permanent manurial experiment resulted in the initiation of Zn-nutrition studies in tropical tuber crops. Extensive studies conducted in the Zn-nutrition of tropical tuber crops especially cassava, sweet potato [Ipomoea batatas (L.) Lam] and elephant foot yam [Amorphophallus paeoniifolius (Dennst.) Nicolson] including Zn content in the different plant parts of other tuber crops over the growth period, Zn status of the soils of the State, Zn in value-added fertilizers developed for elephant foot yam and enriched manure prepared from cassava starch factory solid waste, sorption characteristics of Zn, significance of the low-input management strategy involving soil test-based application of Zn for cassava and results of the on-farm trials conducted in some of the above studies are reviewed in this paper. Not Available |
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Date |
2021-08-06T04:02:49Z
2021-08-06T04:02:49Z 2019-03-01 |
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Type |
Article
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Identifier |
Not Available
0537-197X http://krishi.icar.gov.in/jspui/handle/123456789/53323 |
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Language |
English
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Relation |
Not Available;
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Publisher |
Indian Society of Agronomy
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