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Viswanathan, K.
- Effect of Integrated Nutrient Management on the Growth and Yield of Senna in Coastal Sandy Soil
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
Source
An Asian Journal of Soil Science, Vol 11, No 1 (2016), Pagination: 187-190Abstract
To increase the production of medicinal senna in sandy soils of coastal agro ecosystem, integrated nutrient management treatments involving inorganic fertilizers, organic manures namely FYM, vermicompost, humic acid and microbial consortium were evaluated. The intial soil was typic udipsamments and represented sandy texture and non-saline nature. In Completely Randomized Design, the following treatments were evaluated with three replications using senna as test crop. T1 - Absolute control, T2 - Recommended NPK, T3 - FYM alone @ 12.5 t ha-1, T4- Vermicompost alone @ 4.0 t ha-1, T5- 75 % NPK + FYM @ 12.5 t ha-1, T6 - 50 % NPK + FYM @ 12.5 t ha-1, T7 - 75 % NPK + vermicompost @ 4.0 t ha-1, T8 - 50 % NPK + vermicompost @ 4.0 t ha-1, T9 - T5+ ZnSO4 @ 25 kg ha-1 + humic acid foliar spray @ 0.3 %, T10-T6 + ZnSO4 @ 25 kg ha-1 + humic acid foliar spray @ 0.3% , T11 - T7+ ZnSO4 @ 25 kg ha-1 +Humic acid foliar spray @ 0.3% , T12 - T8+ ZnSO4 @ 25 kg ha-1 + humic acid foliar spray @ 0.3% . Bio inoculants, Azospirillum and phosphobacterium were applied to all the treatments excluding absolute control and recommended NPK. The results of the study indicated that the application of INM significantly improved the growth and yield of senna in coastal sandy soil. Among the treatments, application of 75 % NPK fertilizer + vermicompost @ 4.0 t ha-1 + ZnSO4 @ 25 kg ha-1 with humic acid foliar spray ranked best in recording the higher growth character, leaf and pod yield of senna and available soil nutrients.Keywords
Senna, Integrated Nutrient Management, Sandy Soil.
References
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- Study on the Influence of Micro Nutrients and Growth Regulator on the Growth and Yield of Sesame (Sesamum indicum L.) and Nutrient Availability in Coastal Saline Soil
Abstract Views :176 |
PDF Views:0
Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
Source
An Asian Journal of Soil Science, Vol 11, No 1 (2016), Pagination: 175-178Abstract
A pot experiment was conducted in the Department of Soil Science and Agricultural Chemistry, Annamalai University during Feb.-April, 2015. The initial characteristics of experimental soil revealed the saline nature having pH 8.02 and EC 4.26 dS m-1. The available NPK status were low and DTPA extractable Zn and Mn were below the critical limit. The design of experiment was Completely Randomised Design and the treatments were: T1 - NPK (35: 23: 23 kg N: P2O5: K2O ha-1), T2- NPK + ZnSO4 @ 25 kg ha-1 + MnSO4 @ 5 kg ha-1, T3 - T2 + FYM @ 12.5 t ha-1, T4- T2+ vermicompost @ 4 t ha-1, T5- T2+ humic acid @ 20 kg ha-1. Growth regulator sea weed extract was applied as 0.5 per cent foliar at vegetative and flowering stage for all the treatments except control. The treatments were replicated four times and sesame var TMV- 3 was grown as test crop. The results of the study revealed that among all the treatments, T5, the application of recommended NPK +ZnSO4+ MnSO4 with humic acid application accounted for a significant increase in growth character, yield components and yield of sesame. This treatment also significantly improved the soil nutrient availability.Keywords
Sesame, INM, Growth,Yield, Coastal Sandy Soil.References
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