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Effect of marigold organic liquid manure for production of field bean (Lablab purpureus)

Marigold organic liquid manure (MOLM) obtained during the processing of marigold flowers was tested in the field with field bean as test crop. Total seven treatments comprising of MOLM mixing with borewell water at different ratios (100:0, 75:25, 50:50 and 25:75 of MOLM: Borewell water) which was compared with the recommended organic liquid manure sources for crop production such as Jeevamrutha @ 2000 L ha-1 and Biodigester liquid @ 3000 L ha-1 . The total quantity of water required to attain the field capacity of soil was estimated and same quantity has been applied to each plot as one time soil application to soil fifteen days before sowing. The results revealed that treatment with MOLM and Borewell water in the ratio of 50: 50 was superior compared to all other treatments with respect to growth and yield parameters throughout the crop growth period. The pod yield was recorded maximum in the 50:50 treatment (10.37 q ha-1 ) compared to control (5.34 q ha-1 ). The total microbial count found higher in the post-harvest soils with application of MLOM and found maximum when MOLM applied with borewell water in the ratio of 75:25. The soil fertility with respective to macro and micronutrients content in the soil was also enhanced with application of MOLM. Hence, the MOLM water can be used safely for the crop production as one time application to soil 15 days before sowing mixing with borewell water in the ratio of 50:50. | Effect of marigold organic liquid manure for production of field bean (Lablab purpureus)