نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشگاه تربیت مدرس
2 هیئت علمی
3 هئیت علمی
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
In order to evaluate the intercropping of Sweet corn and Okra affected by vermicompost and urea fertilizer a field experiment was conducted at research field of Tarbiat Modares University during 2015 spring and summer. In this research effect of five mixing ratio of sweet corn/okra including: 100:0 (sweet corn monoculture), 75:25, 50:50, 25:75 and 0:100 (okra monoculture) and two nutrition systems consisted of chemical (urea) and organic (vermicompost) were investigated with factorial arrangement of treatments based on randomized complete block design with three replications. The results showed that factors interaction on the number of desirable ear, sweet corn yield and okra seed yield were significant (P≤ 0.01). Also mixing ratio effect on sweet corn 100 kernel weight (P≤ 0.05), okra 1000 kernel weight and the number of fruits square meter (P≤ 0.01) was significant. According to mean comparisons the highest sweet corn yields (9614.58 kg.ha-1) and okra (2848.65 kg.ha-1) was obtained in their monoculture receiving the chemical fertilizer. The highest LER (2.10) was obtained in 50:50 treatment under vermicompost nutrition system followed by 75:25 under same nutrition system (LER=1.93). Also competition index evaluation in the different treatment confirmed the rating of superior treatments.
کلیدواژهها [English]
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