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Fig. 2. Land equivalent ratio (LER) as affected by ridge width, soybean cultivars and their interaction, combined data across 2013 and 2014 seasons LER was affected significantly by ridge width in the combined data across 2013 and 2014 seasons (Fig. 2). The advantage of the highest LER by intercropping soybean with corn on ridges 70 cm width could be due to 70 cm ridge width formed suitable spatial arrangement of intercropping system to decrease inter and intra-specific competition between the same species and the two species for above and underground conditions to achieve higher economic yield of both species per unit area compared to the others. These results are in accordance with those obtained by Metwally et al. (2009) who concluded that the actual productivity was higher than expected productivity. LER was affected significantly by soybean cultivars in the combined data across 2013 and 2014 seasons (Fig. 2). Soybean cv. Giza 35 gave higher LER than that obtained by soybean cv. Giza 21. These results may be due to canopy structure of soybean cv. Giza 35 permit more solar radiation to the other leaves of the plant (Table 1) and increased dry matter accumulation in different organs of this cultivar which reflected on seed yield per ha. Similar results were obtained by Abdel-Galil et al. (2014b) who showed that soybean cv. Giza 22 gave higher LER than that obtained by the other cultivars. LER was affected significantly by the interaction between ridge width and soybean cultivars in the combined data across 2013 and 2014 seasons (Fig. 2). These results may be due to 70 cm ridge width integrated with soybean 26
cv. Giza 35 to increase dry matter accumulation in the different parts of the plant during soybean growth and development. Land equivalent coefficient (LEC): LEC was a measure of interaction concerned with the strength of relationship. LEC is used for a two- crop mixture, the minimum expected productivity coefficient (PC) is 25 per cent, that is, a yield advantage was obtained if LEC value was exceeded 0.25. LEC was affected significantly by ridge width in the combined data across 2013 and 2014 seasons (Fig. 3). The highest advantage of (LEC) intercropping soybean with corn on ridges 70 cm width over the others could be due to decrease inter and intraspecific competition between the same species and the two species for above and underground environmental conditions to achieve higher economic yield of both species per unit area compared to the others. Fig. 3. Land equivalent coefficient (LEC) as affected by ridge width, soybean cultivars and their interaction, combined data across 2013 and 2014 seasons LEC was affected significantly by soybean cultivar in the combined data across 2013 and 2014 seasons (Fig. 3). Soybean cv. Giza 35 gave higher LEC than that obtained by soybean cv. Giza 21. These results may be due to canopy structure of soybean cv. Giza 35 permit more solar radiation to the other leaves of the plant (Table 1) and increased dry 27 matter accumulation in different organs of this cultivar which reflected on seed yield per ha. LEC was affected significantly by the interaction between ridge width and soybean cultivars in the combined data across 2013 and 2014 seasons (Fig. 3). These results may be due to 70 cm ridge width integrated with soybean
Page 1 and 2: ISSN 0973-1830 Volume 14, Number 2
Page 3 and 4: SOYBEAN RESEARCH ISSN 0973-1830 Vol
Page 5 and 6: Soybean Research 14(2): 01-13 (2016
Page 7 and 8: Table 1. Nutrient composition (valu
Page 9 and 10: 100-green seed weight (49.9 g) and
Page 11 and 12: Training was provided through NGO p
Page 13 and 14: estimated using combined analysis.
Page 15 and 16: AGS 447 and AGS 457 in a taste surv
Page 17 and 18: Takahashi Y and Ohyama T. 2011. Pro
Page 19 and 20: eached to about 81,4435 ha in 2013
Page 21 and 22: 2. Soybean seeds were sown in both
Page 23 and 24: Table 1. Effect of ridge width, cro
Page 25 and 26: Table 3. Effect of ridge width, cro
Page 27 and 28: and seed yields per ha were affecte
Page 29: number of branches per plant, pod a
Page 33 and 34: increased total and net returns com
Page 35 and 36: Metwally A A. 1999. Intensive coppi
Page 37 and 38: (Salvagiotti et al., 2009). Biologi
Page 39 and 40: Table 1. Effect of land configurati
Page 41 and 42: increasing levels of nitrogen and t
Page 45 and 46: conditions (Ruiz-Lozano et al., 200
Page 47 and 48: of 34 0 C and relative humidity 80
Page 49 and 50: Nodule N (%) Grain yield g/plant) N
Page 51 and 52: 140 120 100 Nodules/plant Nodule dr
Page 53 and 54: of AMF, which necessitates experime
Page 55 and 56: Biermann B and Linderman R G. 1981.
Page 57 and 58: Tabatabai M A and J M Bremner. 1969
Page 59 and 60: N:P 2O 5:K per ha (Patil and Purani
Page 61 and 62: available nitrogen content was reco
Page 63 and 64: lowest value in control (Table 2).
Page 65 and 66: the crop. These results corroborate
Page 69 and 70: the use of a variety by any person
Page 71 and 72: objection is received, the variety
Page 73 and 74: Table 1 contd. S. No. Name of varie
Page 75 and 76: Table 2. DUS Characteristics of pro
Page 77 and 78: Table 2. Contd S. No. Varieties DUS
Page 79 and 80: and are easily available. The varie
Page 81 and 82:
Soybean Research 14(2): 77-83 (2016
Page 83 and 84:
Table 2. Estimates of variability p
Page 85 and 86:
Table 4. Phenotypic path coefficien
Page 87 and 88:
Shivakumar M, Basavaraja G T, Salim
Page 89 and 90:
available phosphorus (24.89 and 23.
Page 91 and 92:
attributes may be the result of red
Page 93 and 94:
Soybean Research 14(2): 89-96 (2016
Page 95 and 96:
productivity. This will help increa
Page 97 and 98:
Growth rate The analysis on growth
Page 99 and 100:
Table 5. Estimates of variability i
Page 101 and 102:
Society for Soybean Research and De
Page 103 and 104:
MS must be original and contribute
Page 105 and 106:
Short research notes They should no
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