EL-KALLA, S., MOSTAFA, A., LEILAH, A., AWAD, R. (1999). MINERAL AND BIO-PHOSPHATIC FERRTILIZATION FOR INTERCROPPED FABA BEAN AND ONION. Egyptian Journal of Agricultural Research, 77(1), 253-271. doi: 10.21608/ejar.1999.326207
SAMER E. EL-KALLA; AHMED K. MOSTAFA; ABDEL-REHIM A. LEILAH; ROKIA A. AWAD. "MINERAL AND BIO-PHOSPHATIC FERRTILIZATION FOR INTERCROPPED FABA BEAN AND ONION". Egyptian Journal of Agricultural Research, 77, 1, 1999, 253-271. doi: 10.21608/ejar.1999.326207
EL-KALLA, S., MOSTAFA, A., LEILAH, A., AWAD, R. (1999). 'MINERAL AND BIO-PHOSPHATIC FERRTILIZATION FOR INTERCROPPED FABA BEAN AND ONION', Egyptian Journal of Agricultural Research, 77(1), pp. 253-271. doi: 10.21608/ejar.1999.326207
EL-KALLA, S., MOSTAFA, A., LEILAH, A., AWAD, R. MINERAL AND BIO-PHOSPHATIC FERRTILIZATION FOR INTERCROPPED FABA BEAN AND ONION. Egyptian Journal of Agricultural Research, 1999; 77(1): 253-271. doi: 10.21608/ejar.1999.326207
MINERAL AND BIO-PHOSPHATIC FERRTILIZATION FOR INTERCROPPED FABA BEAN AND ONION
1Agronomy of Department, Faculty of Agricultural, Mansoura University, Egypt
2Onion Research Setion, Field Crop Research Institute, Agriculture Research Centre, Giza, Egypt
Abstract
Two field experiments were conducted at the Experimental Farm, Faculty of Agriculture, Mansoura University during 1994/95 and 1995/ 96 winter growing seasons, to study the effect of different patterns of intercropping faba bean (Vicia faba, L.) and onion (Allium cepa, L.). as well as mineral and bio-phosphatic fertilization on growth and yield of both crops. A split-split plot design with four replications was used. The main plots were occupied with intercropping systems and pure stand of faba bean and onion, as follows: faba bean on one side of the ridge with onion on the other side (1:1), faba bean on both sides of the the ridge and onion on both sides of the next ridge (2:2) and planting onion on raised beds (wide ridges, 120 cm wide) in a four middle rows spaced 20 cm apart and faba bean in two border rows (2:4). The sub plots were devoted to four P205 levels, i.e., control (without phosphorus fertilization), 15, 30 and 45 kg P205/fad. The sub sub plots were assigned to phosphate Bio-fertilizer (Phosphorin) application, i.e. with and without the addition of phospharin. The results showed that faba bean plant height, number of branches/plant and seed yield/fad were higher in solid planting. The inter-cropping system of 2 rows of faba bean : 4 rows of onion resulted in maximum values of number of pods/plant, number of seeds/pod, seed yield/plant and 100-seed weight, compared with other intercropping systems. Raising P205 to 45 kg/fad increased faba bean plant height, number of branches/plant, number of pods/plant, number of seeds/pod, seed yield/plant, 100-seed weight, seed/fad and seed protein percentage. Application of biophosphatic fertilizer (Phosphorin) resulted in an increase in plant height, number of branches and pools/plant, number of seeds/pod, seed yield/plant, 100-seed pod, seed yield/plant, 100-seed weight, seed yieId/fad as well as seed protein content. With respect to onion, solid stand was associated with the maximum number of leaves/plant, fresh and dry weight/plant, bubing ratio, marketable yield/fad, average bulb marketable yield/fad, average bulb weight and total soluble solids (TSS), followed by the intercropping system of 2 faba bean: 4 onion. The earlier maturity and lower culls yield/fad resulted from solid planting of onion. Higher P-level (45 kg P205/fad) resulted in marked increase in plant height, number of leaves/plant, fresh and dry weight /plant as well as bulbing ratio and earlier maturity. Adding 30 kg P205/fad increased average bulb weight, culls yield/fad, marketable yield/fad.Application of bio-phosphatic fertilizer (Phosphorin) markeadly increased fresh and dry weights/plant, marketable yield, average bulb weight, TSS and dry matter content in onion bulbs.
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