EFFECTS OF SOWING DATES AND DIFFERENT FERTILIZERS ON YIELD, YIELD COMPONENTS, AND OIL PERCENTAGE OF CASTOR BEAN (RICINUS COMMUNIS L.)

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REZVANI MOGHADAM P.; BOROUMAND REZAZADEH Z.; MOHAMMADABADI A.A.; SHARIF ALI

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Journal: Iranian Journal of Field Crops Research Year:2008 | Volume:6 | Issue:2 Page(s): 303-313

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Title

EFFECTS OF SOWING DATES AND DIFFERENT FERTILIZERS ON YIELD, YIELD COMPONENTS, AND OIL PERCENTAGE OF CASTOR BEAN (RICINUS COMMUNIS L.)

Author(s)

REZVANI MOGHADAM P. | BOROUMAND REZAZADEH Z. | MOHAMMADABADI A.A. | SHARIF ALI | Issue Writer Certificate

Keywords

CASTOR BEANQ2

SOWING DATEQ3

FERTILIZERQ2

GRAIN YIELDQ3

OIL PERCENTAGEQ3

Abstract

In order to study the effects of SOWING DATEs and different FERTILIZERs on yield, yield components, and OIL PERCENTAGE of CASTOR BEAN, an experiment was conducted at Experimental station, College of Agriculture, Ferdowsi University of Mashhad, Iran in years 2004-2005. The experimental treatments comprised all combinations of four SOWING DATEs (11 April, 25 April, 8 May and 22 May) and three different FERTILIZERs (cow manure (30 tons/ha), compost (30 tons/ha), chemical FERTILIZERs (100 kg/ha N and 250 kg/ha of super phosphate) and no FERTILIZER as control. Different characteristics such as plant height, main inflorescence height, number of inflorescence per plant, number of secondary stems per plant, number of capsules per plant, number of grain per plant, grain weight per plant, 100 seed weight, GRAIN YIELD, OIL PERCENTAGE and oil yield were recorded. A factorial arrangement based on a randomized complete block design with three replications was used. The results showed by delaying SOWING DATE GRAIN YIELD, seed OIL PERCENTAGE and oil yield were decreased, but there was no significant differences between 25 April, 8 May and 22 May SOWING DATEs. Harvest index and 100 seed weight did not affect by neither SOWING DATEs nor FERTILIZER treatments. The highest number of branches per plant, number of fertile inflorescences per plant, number of fertile capsules per plant, number of grain per plant, grain weight per plant and biological yield were obtained at 8 May SOWING DATE on chemical FERTILIZER. Percentage of seed oil, GRAIN YIELD and oil yield was higher at the first SOWING DATE (11 April) in compost and chemical FERTILIZER treatments.

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APA: Copy

REZVANI MOGHADAM, P., BOROUMAND REZAZADEH, Z., MOHAMMADABADI, A.A., & SHARIF, ALI. (2008). EFFECTS OF SOWING DATES AND DIFFERENT FERTILIZERS ON YIELD, YIELD COMPONENTS, AND OIL PERCENTAGE OF CASTOR BEAN (RICINUS COMMUNIS L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 6(2), 303-313. SID. https://sid.ir/paper/119081/en

Vancouver: Copy

REZVANI MOGHADAM P., BOROUMAND REZAZADEH Z., MOHAMMADABADI A.A., SHARIF ALI. EFFECTS OF SOWING DATES AND DIFFERENT FERTILIZERS ON YIELD, YIELD COMPONENTS, AND OIL PERCENTAGE OF CASTOR BEAN (RICINUS COMMUNIS L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2008;6(2):303-313. Available from: https://sid.ir/paper/119081/en

IEEE: Copy

P. REZVANI MOGHADAM, Z. BOROUMAND REZAZADEH, A.A. MOHAMMADABADI, and ALI SHARIF, “EFFECTS OF SOWING DATES AND DIFFERENT FERTILIZERS ON YIELD, YIELD COMPONENTS, AND OIL PERCENTAGE OF CASTOR BEAN (RICINUS COMMUNIS L.),” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 6, no. 2, pp. 303–313, 2008, [Online]. Available: https://sid.ir/paper/119081/en

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