~ 768 ~ The Pharma Innovation Journal 2017; 6(11): 768-770 ISSN (E): 2277- 7695 ISSN (P): 2349-8242 NAAS Rating 2017: 5.03 TPI 2017; 6(11): 768-770 © 2017 TPI www.thepharmajournal.com Received: 17-09-2017 Accepted: 18-10-2017 Aruna Lakra Department of Horticulture Naini Agricultural Institute Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India Devi Singh Department of Horticulture Naini Agricultural Institute Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India VM Prasad Department of Horticulture Naini Agricultural Institute Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India Deepanshu Department of Horticulture Naini Agricultural Institute Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India Mohd Shabi Department of Horticulture Naini Agricultural Institute Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India Correspondence Aruna Lakra Department of Horticulture Naini Agricultural Institute Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India Effect of nitrogen and phosphorus on growth and yield of radish (Raphanus sativus L.) CV. Pusha chetki under shade net condition Aruna Lakra, Devi Singh, VM Prasad, Deepanshu and Mohd Shabi Abstract The present investigation entitled “Effect of Nitrogen and Phosphorus on growth and yield of Radish (Raphanus sativus L.) cv. Pusha chetki under shade net condition” was undertaken at Naini Agriculture Institute, Department of Horticulture, Sam Higgibottom University of Agriculture, Technology and Science, Allahabad during the year 2017. The experiment was laid out in RBD having ten treatments with control and 3 replications. On the basis of above findings it is concluded that the treatment T9 (50 kg N through Urea + 50 kg P through S.S.P) was recorded the best among in all the treatment in terms of growth and yield attributes and also with increased T.S.S. The T9 was also recorded highest in terms of cost benefit ratio (10.10) under shade net condition. Keywords: Nitrogen, phosphorus, growth, yield, quality and radish Introduction Radish (Raphanus sativus L.) is a member of the Brassicaceae family native to Europe or Asia. It is a popular root crop grown all over the world. In India, it is grown in one or the other part of the country throughout the year. It is grown for its young fleshy tuberous roots consumed mainly as salted vegetable, eaten as a grated salad. Radish is a cool season crop and divided broadly into two groups: European or temperate and Asiatic or tropical. Asiatic types produce roots and seeds under tropical climate, whereas, European types produce roots under sub tropical and tropical climate. However, seed production of European types is possible only under temperate conditions in hills since these require chilling temperature for seed production. The Asiatic varieties although are higher yielders yet poor in quality attributes, whereas, European varieties are small in size, mild in pungency, early in maturity and rich in quality parameters. Tripathi et al., (2017) [1] . Nitrogen plays an important role in the building up of protoplasm and protein which induce cell division and initiate meristematic activities when applied in optimum quantity. Low nitrogen availability causes a decrease in cell size especially cell division (Akand et al. 2015) [2] . Nitrogen improves the absorption & respiration process in plant and activates vegetation. Radish plants with more leaves can give more root yield as compared to the plants having less leaves. Nitrogen is the main component of protein & chlorophyll. It plays vital role in transferring energy with in plant cells, cell division, and formation of meristem tissue; promote root growth, flowering and development of seed and fruit. Deficiency of phosphorus leads to reddish or purple leaves, stems and branches, stunted top growth that results in low yield and ultimately poor quality of crops (Zeb et al. 2016). And also the Deficiency of Phosphorus limits the production of plant because the mobility of Phosphorus is low in soil and the root system. To explore its mobility in plant and its role in plant top development, 10 and 20 mg/l phosphorus in radish was applied. Fresh and dry matter increased with phosphorus application (Kezia and David 2013) [3] . Materials and Methods The present investigation “Effect of Nitrogen and Phosphorus on growth and yield of Radish (Raphanus sativus L.) cv. Pusa chetki under shade net condition.” was carried out in agro – climatic condition of Allahabad region during the Zaid season 2017. The experiment was laid out at vegetable Research Farm Department of Horticulture, College of Agriculture, Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad. The tropical experimental field was uniform with good irrigation facilities. Experiment was laid out