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Raja Gopala Reddy, A.
- Growth and Yield Response of Water Melon (Citrullus lanatus var. Lanatus) under Drip Fertigation
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Authors
Affiliations
1 Department of Agricultural and Food Engineering, Indian Institute of Technology, Kharagpur (W.B.), IN
1 Department of Agricultural and Food Engineering, Indian Institute of Technology, Kharagpur (W.B.), IN
Source
International Journal of Agricultural Engineering, Vol 10, No 2 (2017), Pagination: 619-622Abstract
A field experiment was conducted during 2016-17 at the experimental farm of PFDC, Kharagpur, India to investigate the effect of different levels of fertigation on the water melon growth and yield. The F1 hybrid water melon was planted in a 0.5 x 0.5 m spacing and drip irrigated with a row of drippers. Treatment consisted of of 5 levels (120,100,80,60,40%) with the Statistical Design Randomized Block with 4 replications. The growth and yield were increased with levels of fertigation at a maximum 32.75 and 29.25 t/ha with 100 and 80% of fertigation, respectively compared to 40% of fertigation.Keywords
Water Melon, Drip Irrigation, Water Soluble Fertilizers, Drip Fertigation.
References
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- Assessment of CROPGRO-Bellpepper Model Under Different Nitrogen Levels Through Fertigation
Abstract Views :318 |
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Authors
Affiliations
1 Department of Agricultural and Food Engineering, Indian Institute of Technology, Kharagpur (W.B.), IN
1 Department of Agricultural and Food Engineering, Indian Institute of Technology, Kharagpur (W.B.), IN
Source
International Journal of Agricultural Engineering, Vol 11, No 1 (2018), Pagination: 101-107Abstract
Application of optimum quantity of nitrogen during the crop growing period is essential for maximizing the yield profit as well as for reducing the environmental pollution. Regional based blanket application of N should be replaced by location specific recommendations for higher productivity and increasing the nitrogen use efficiency. Keeping on this view, the present investigation has been carryout during 2014-2016 to assessment of CROPGRO-Bell pepper model under various nitrogen levels through fertigation in subtropical India at Kharagpur, India. The crop growth model was calibrated and well validated under field condition and later the performance was evaluated at increasing temperature. From the field experiments conducted in two years, it was observed the maximum growth attributes, yield and yield attributes were recorded in N100 kg ha-1 which is significantly higher than the remaining treatments. The sub lethal doses of N levels were at par and the control recorded the lowest values. The crop growth model showed that the effect of increasing temperature upto 1.5°C on crop yield is meagre. Crop performance under controlled condition has to be studied.Keywords
Fertigation, Nitrogen, CROPGRO-Bell Pepper, Drip Irrigation.References
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