IPI International Potash Institute
IPI International Potash Institute

Scientific abstracts

Effect of Potassium Nutrition on Growth, Yield and Quality of Papaya (Carica papaya L.)
Kumar N., N. Meenakshi, J. Suresh and V. Nosov
Published in:
Indian J. of Fertilizers 2(4):43-47 (2006), English


An experiment was conducted in Tamil Nadu at four locations in farmers' fields to study the effect of K nutrition on growth, yield and quality of fruits and latex during 2004-05 in randomised block design with three replications and four treatment combinations (300:300:0; 300:300:150; 300:300:300 and 300:300:450g N:P2O5:K2O/plant/year). The study showed that growth characters like leaf number were significantly influenced by K nutrition at two locations and leaf area at one location. The yield and yield attributing characters showed under the treatment K300 were significantly higher as compared to other treatments. The quality characters viz., TSS, pulp thickness and cavity index increased with increase in K levels except for acidity. With respect to yield of latex no definite trend could be observed with K nutrition but the quality of latex was influenced with K nutrition. The leaf nutrient content was also increased significantly with increase in K nutrition levels.

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