ISSN (online) : 2395 - 7549

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Studies on Impact of Organic and Chemical Fertilizers on Growth and Yield of Sunflower (Helianthus annuus L)


Mangesh Mohan Vedpathak , SCHOOL OF EARTH SCIENCES, DEPT. OF ENVIRONMENTAL SCIENCE, SOLAPUR UNIVERSITY, SOLAPUR, MAHARASHTRA, INDIA; B. L. Chavan, Dept. of Environmental Science, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, MS, India


Growth, Sunflower, Treatments, Yield


Field study was undertaken to study on impact of organic as well as chemical fertilizers on growth and yield components of Sunflower crop on off season. Design of experiment was randomized block design method involving five treatments and three duplications. The experimental plot size was 2m x 1m was set for cultivation of sunflower crops. A common dose of organic fertilizers such as Vermicompost (T1), NADEP compost (T2) and pit compost (T3) were used at equal rate 1.25 kg/plot (@ 0.625 kg/sq. m) in plot size 2m x 1m. Chemical fertilizers (T4) was used as stated by recommended dose of fertilizers (60:30:30 - N: P2O5: K2O Kg/ha). Not any fertilizers were added in treatment (T5) that is to be named as control. NADEP compost treatment (T2) increases maximum plant height (110.8cm/plant). It was 107.9cm/plant with application of pit compost treatment (T3) and lower plant height 98.65 cm/plant was observed with application of chemical fertilizers (T4) after 90th day. The maximum (6.38 cm/plant), minimum (5.90 cm/plant) and lower (4.85 cm/plant) of head diameter of Sunflower plant were observed with application of NADEP compost treatment (T2), vermicompost treatment (T1) and control field treatment (T5) respectively after 90th day. The highest mean weight of seeds/head (5.97gm/head) was recorded in vermicompost treatment (T10) followed by NADEP compost treatment (5.42gm/heat). The lowest weight of seeds/head (1.70gm/head) was recorded in pit compost treatment T3. The maximum dry weight of 100 seeds of sunflower crop (2.64gm/plant) was recorded in vermicompost treatment T1 followed in order by treatment T2 (2.34gm/plant), treatment T4 (2.28gm/plant), treatment T3 (1.99gm/plant) and treatment T5 (1.96gm/plant). The maximum yield of Sunflower crop (0.089 Kg/plot) was achieved in vermicompost treatment (T1) which was more than remaining fertilizer treatments and lower yield is 00.026 Kg/plot was recorded in plot treated with pit compost treatment (T3). It was concluded that, application of vermicompost increases yield of Sunflower crop followed by in order NADEP compost, pit compost, chemical fertilizers and control. Therefore it can be showed that use of organic fertilizers in agricultural field give progressive response compared to chemical fertilizers.

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Manuscript Id :J4RV2I10022
Published in :Volume : 2, Issue : 10
Publication Date: 01/01/2017
Page(s): 29-33
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