EFFECT OF VARYING LEVELS OF NITROGEN PHOSPHORUS AND POTASSIUM ON GROWTH, YIELD AND QUALITY OF CUCUMBER (Cucumis sativus L.) CV. HIMANGI
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Date
1995-05-30
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RAHURI - 413 722, DIST: AHMEDNAGAR, MAHARASHTRA, INDIA. 1995.
Abstract
The present investigation was conducted during the summer sea-son of 1994 at the Instructional-cum-Rsse arch Farm, Departmennt of Horticulture, Mahatma Phule Krishi Vidyapeeth, Rahuri , Dist : Ahmednagar (Maharashtra) with a view to find out the optimum dose of fertilizers for cucumber cv, 'Himangi' under local conditions. The fertilizer treatments consisted of four levels (SO, 100, 150 and 200 kg per hectare) of nitrogen and two levels (50 and 100 kg per hectare) each of phosphorus and potassium. Thus, there were 16 treatment combinations replicated three times in factorial Randomized Black Design. The results obtained in respect of vine growth, yield, fruit quality and plant nutrient status as influenced by various treatments are summarised below. The results obtained in respect of vine growth, fruiting and yield response as influen ced by various treatments revealed that the increase in growth with differenot levels of N was not; linear. However, the higher dose (200 kg/ha) of nitrogen increased the growth of vine. The lower level (50 kg/ha) of phosphorus and higher level (100 kg/ha) of potassium increased the growth of vine. The yield attributing characters such as number of female and male flowers, fruit weight and volume of fruit were significantly increased by all four levels of nitrogen, the maximum being at 200 kg N/ha). The maximum number of fruits, total yield per plot and per hectare was obtained with 200 kg nitrogen, 50 kg phosphorus and 100 kg potassium per hectare. There was reduction in number of fruits, total yield per plot and per hectare at 100 kg phosphorus/ha and 50 kg potassium/ha. The maximum fruit yield was recorded when N, P and K were applied in combination at 200:50:100 kg/ha The plant nutrient status in respect of N, P and K was increased with application of respective element but not proportionately. Cucumber cv. Himangi showed a better response to N, P and K fertilization. According to ben efit : cost ratio, the optimum dose worked out was the combination of 200 kg N, 50 kg P and 1OO kg K/ha under the soil and climatic conditions of Rahuri (Western Maharashtra) for cucumber cv. Himangi.
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