Abstract
To evaluate the effects of integrated nutrient management on growth and yield of BARI tomato-14 and soil fertility, a pot experiment was conducted in the net house of the department of Agricultural Chemistry of Bangladesh Agricultural University, Mymensingh during the period from October 2011 to April 2012. The experiment was laid out in a completely randomized design with 11 treatments and 3 replications. Treatments were control, RDCF100, 75% RDCF, 50% RDCF, 75% RDCF + PM2 t /ha, 75% RDCF + RS3 t /ha, 75% RDCF + PHRD, 50% RDCF + PM3 t /ha, 50% RDCF + RS5 t /ha, 50% RDCF + PHRD, PM3 t /ha + RS5 t /ha + PHRD. Among the treatments applied in combination of PM2 t /ha+ 75% of RDCF excelled in growth trends of morphological characters like plant height, number of branches plant- 1, number of leaves plant-1; available soil P and S. But sole application of RDCF100 recorded higher values for almost all morphological characters namely number of branches plant-1, number of leaves plant-1, fruit diameter, fruit weight plant-1 and yield of tomato following the same trend as seen in combined application of CF and PM. Among the plant hormone applied in combination, RDCF75% + PHRD showed the highest plant height. The more number of leaves plant-1, number of branches plant-1, yield and yield parameters as compared to other treatments were also significantly influenced by application of PH. Combined application of 50% of RDCF+RS5 t /ha increased exchangeable soil K. PM3 t /ha+ RS5 t /ha+ PHRD conserved more organic carbon and total soil N. Results showed that the integrated use of PM, RS along with CF increased the availability of nutrients throughout the growth period by maintaining the long term productivity for sustainable production of tomato. DOI: http://dx.doi.org/10.3329/jbau.v11i1.18204 J. Bangladesh Agril. Univ. 11(1): 33-40, 2013
Highlights
Integrated nutrient management is an advanced concept of modern agriculture
The highest plant height in 75% RDCF + plant hormone @ recommended dose (PHRD) treatment at 90 Days after transplanting (DAT) might be due to the application of plant hormone and 75% chemical fertilizers and lowest plant height might be due to neither the application of fertilizers nor plant hormone
The application of plant hormone resulted the increased plant height as plant growth regulators enhanced cell division with considerable elongation of stem and the ultimate result was the longest plant of tomato
Summary
Integrated nutrient management is an advanced concept of modern agriculture. Application of chemical fertilizers provides a good yield but soil properties are badly affected. Patil et al (2004) stated that the application of recommended dose of chemical fertilizer + 50% of FYM significantly increased the number of branches plant-1 of tomato plants. Number of leaves plant-1: It observed that the number of leaves was significantly (except 15 DAT) influenced by the application of different doses of organic and chemical fertilizers.
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