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Identifying nutrient imbalances in pomegranate (Cv. Bhagwa) at different phonological stages by the diagnosis and recommendation integrated system

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Title Identifying nutrient imbalances in pomegranate (Cv. Bhagwa) at different phonological stages by the diagnosis and recommendation integrated system
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Creator A. B. Gosavi, A. N. Deshpande & Ashis Maity
 
Subject Bhagwa; DRIS norms; DRIS indices and nutrient imbalance; pomegranate
 
Description Not Available
The diagnosis and recommendation integrated system (DRIS) approach was used to interpret nutrient analyses of leaf tissues from pomegranate cv. Bhagwa orchards grown in southwestern Maharashtra, India. The DRIS norms were established for three growth stages,viz. 50% flowering, fruit development and first harvesting of pomegranate. Various nutrient ratios were obtained from high-yielding population and were used to compute DRIS indices for diagnosing nutrient imbalances and their order of limitation to yield. Nutrient sufficiency ranges at 50% flowering derived from DRIS norms were 1.32–2.15% nitrogen (N), 0.18–0.24% phosphorus (P), 1.29–1.99% potassium (K), 0.64–1.20% calcium (Ca), 0.23–0.45% magnesium (Mg), 0.16–0.26% sulfur (S), 103.04 149.12 mg kg¡1 iron (Fe), 39.60–72.85 mg kg¡1 manganese (Mn), 15.99–26.10 mg kg¡1 zinc (Zn), 6.16–9.32 mg kg¡1 copper (Cu), 23.38–39.88 mg kg¡1 boron (B) and 0.29– 0.47 mg kg¡1 molybdenum (Mo). Similarly, the sufficiency range at fruit development and first harvesting was developed for computing DRIS indices. The requirement of Fe, Mg, S, Zn and N by the pomegranate plant was higher at 50% flowering and fruit development stages. According to these DRIS-derived indices, 87.85, 73.83, 70.09, 69.16 and 65.42% orchards were deficient in Fe, S, Mg, Zn, and N, respectively, at 50% flowering, while 70.03, 66.36, 63.55, 61.68, and 68.22% orchards were found to be deficient in respective nutrients during the fruit development stage.
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Date 2020-08-27T06:05:03Z
2020-08-27T06:05:03Z
2017-07-06
 
Type Research Paper
 
Identifier Not Available
0190-4167 (Print) 1532-4087 (Online)
http://krishi.icar.gov.in/jspui/handle/123456789/40351
 
Language English
 
Relation Not Available;
 
Publisher Journal of Plant Nutrition