Abstract
Application of water soluble fertilizer @ T4-150:75:150 NPK kg/ha through fertigation either with mulch (14.05q/ha) or non-mulch (11.83q/ha) recorded significantly higher seed yield than fertilization through soil application (9.92 q/ha). The increased seed yield of 16.91 and 10.14 per cent was noticed in fertigation with mulch or without mulch treatment over soil application, respectively. NPK fertigation @150:75:150kg per ha with mulch (T4) resulted in higher NPK uptake in stem (63.49, 14.12&121.42 kg/ha), leaves (117.65 19.42&122.43 kg/ha) and in fruits (146.79 28.05&162.66 kg/ha), respectively than the fertilizer applied through soil at harvest. Maximum fertilizer use efficiency and water use efficiency were recorded in the treatment with integrated application of fertigation and mulch.
Highlights
IntroductionImportant inputs viz., water and fertilizer in agriculture are complementary to each other and when used scientifically and judiciously, the production can be increased
Fertilizers viz., 19:19:19, urea and potassium nitrate which are soluble in water and used fertigation treatments, whereas regular NPK fertilizers were applied through soil for the treatments T9 and T10 in the form of DAP and MOP were used in two splits at 28 and 56 days after sowing in equal proportions
Water expense efficiency of okra fertigation studies was calculated by using the formula Statistical Analysis The data on growth, seed yield and seed quality parameters were analyzed using the analysis of variance technique.[5]
Summary
Important inputs viz., water and fertilizer in agriculture are complementary to each other and when used scientifically and judiciously, the production can be increased It is the need of the hour to switch over to the most efficient way of irrigation and fertilizer management. In this context, precision farming technologies including fertigation and polyethylene mulching is known to increase productivity, profitability and nutrient use efficiency in okra seed yield and quality. Small application of soluble nutrients save labours, reduces compaction in the field, So far not even a single study is available on fertigation and mulching in okra seed production to improve seed quality and quantity. Keeping in view of the facts, a study was taken involving fertigation and mulching for okra seed production and its quality
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