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Singh, Devendra
- Nitrogen Management in Maize Based Legume Intercropping System
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Authors
Affiliations
1 Department of Agriculture, Bhagwant University, Ajmer (Rajasthan), IN
2 Department of Agricultural Biotechnology, Bhagwant University, Ajmer (Rajsthan), IN
1 Department of Agriculture, Bhagwant University, Ajmer (Rajasthan), IN
2 Department of Agricultural Biotechnology, Bhagwant University, Ajmer (Rajsthan), IN
Source
Asian Journal of Bio Science, Vol 12, No 2 (2017), Pagination: 51-78Abstract
The experiment consisting of 2 intercropping patterns, 3 methods of fertilizer application, 2 nitrogen doses in maize along with 2 sole crop treatments in n +2 Factorial Randomized Block Design with three replications was conducted at Bhagwant University during the Kharif 2016. The results revealed that planting patterns remained statistically equal with respect to cob yield, grain yield and yield attributes viz., cob length, cob girth and number of grain rows per cob, number of grains per row and number of grains per cob. Furrow application of fertilizers recorded significantly higher cob length, higher number of grains per cob, number of grain per row, cob yield and grain yield than broadcast but remained at par with side placement. Between nitrogen doses, 100 per cent recommended nitrogen recorded significantly higher cob length, number of grains per row, number of grain per cob, cob yield and grain yields than 75 per cent. Significantly more grain yield of intercropped urdbean was obtained in under paired row planting method than normal planting. Grain yield of urdbean did not vary significantly due to N fertilization and different methods of fertilizer application in maize. Maize grain equivalent yield was found significantly higher in paired row system than normal planting. Different methods of fertilizer application and N dose did not produce significant variations in MGEY. Intercropping of maize showed significantly more MGEY than sole cropping. Intercropping of urdbean in between paired row maize gave significantly higher gross and net returns than normal planting. Method of fertilizer application and dose of nitrogen did not cause significant variation in monetary advantage. Maize may be fertilized with 75 per cent recommended dose of nitrogen in association with legumes. Furrow placement of fertilizers is superior to other methods.Keywords
DAP, DAS, LAI, RBD, MGEY.
References
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- Effect and Application of Vermicompost on Nitrogen Dynamics in Soil
Abstract Views :207 |
PDF Views:1
Authors
Affiliations
1 Department of Agriculture, Bhagwant University, Ajmer (Rajasthan), IN
2 Department of Agricultural Biotechnology, Bhagwant University, Ajmer (Rajasthan), IN
1 Department of Agriculture, Bhagwant University, Ajmer (Rajasthan), IN
2 Department of Agricultural Biotechnology, Bhagwant University, Ajmer (Rajasthan), IN
Source
Asian Journal of Bio Science, Vol 12, No 2 (2017), Pagination: 108-121Abstract
The results of the present investigation indicate that vermicompost of water hyacinth and coconut leaf showed almost similar pH level (6.81 and 6.92) by Jackson method but it showed higher value in FCO method. Electrical conductivity resulted similar trend for both methods. CEC value for both vermicompost was 74.20 and 72.60cmol kg-1. Organic carbon content in water hyacinth vermicompost was 23.1 per cent and in coconut leaf vermicompost 22.5 per cent. Maximum water holding capacity was much higher (213.90 and 226.2%). Available form of N, P, K, S, Zn, Cu, Mn and Fe found very less content with respect to total content except K and Na content in both types of vermicompost. Water hyacinth vermicompost also contains higher values of dehydrogenase activity, microbial biomass carbon content and lower value of urease enzyme activity. Results represented that water hyacinth vermicompost is better in quality than coconut vermicompost with respect to microbial activity. Changes of available nitrogen content over different stages of growth of cauliflower resulted maximum release at 10th day in T6 (168.16mg kg-1) which was 49.38 per cent over control followed by T5 (157.48mg kg-1), T4 (151.95mg kg-1), T2 (137.40mg kg-1), T3 (127.48mg kg-1) and T1 (112.57mg kg-1). But changes of its content in soil through incubation study over the period showed maximum release at different dates under different treatments.Keywords
Vermicompost, Electrical Conductivity, Cation Exchange Capacity, Micro-Nutrients, PSB.References
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