The experiment was conducted on recently developed alluvial soil popularly known as ‘char land’ (Typic Endoaquents as per USDA Soil Taxonomy) of Dori Bhabkhali, Mymensingh sadar upazilla (240 43.407? N, 90026.22? E and 18 m above sea level) for two consecutive years 2015-16 and 2016-17 during the winter season. The experimental site is classed as medium low land on a Brahmaputra alluvial soil (Active Brahmaputra-Jamuna Floodplain soil) (FAO/UNDP 1988). The soil (0-15 cm) was sandy textured with very low organic matter content (0.98%) having a pH (water) 6.8, total N (Kjeldahl N), 0.05%, exchangeable K 0.14 meq 100 g-1 soil, available P (Bray) 6.72 µg g-1, available S 27.45 µg g-1, available Zn 0.44 and available B 0.33 µg g-1 soil. The experimental area has sub- tropical humid climate and is characterized by hot and humid summers and cool winters with an annual mean temperature of 25.8°C and rainfall of 2427 mm, 80% of which falls between May to September (BMD 2017). The experiment was laid out in a randomised complete block design with 4 m × 4 m plots replicated thrice (at 3 farmers’ field). Six crop combinations along with sole pumpkin (i.e., seven treatments all together) were evaluated: pumpkin + coriander green, pumpkin + red amaranth, pumpkin + radish green, pumpkin + mustard green, pumpkin + jute green and pumpkin + spinach. Sole crops of coriander green, red amaranth, radish green, mustard green, jute green and spinach were also cultivated for standard yield in this soil condition with 3 dispersed replications only in 2015-16 following the cultivation procedure by Mondal et al. (2014). Land preparation for all crops was started in the third week of October by ploughing with a power tiller and kept exposed to the natural elements for four days. Afterwards, the experimental plot was prepared by several ploughing and cross ploughing followed by laddering. High yielding modern varieties of vegetables developed by Bangladesh Agricultural Research Institute (BARI), were used as test crops here. Seeds of pumpkin (Cucurbita maxima var. BARI mistikumra 1), coriander (Coriandrum sativum var. BARI Dhania 1), red amaranth (Amaranthus gangeticus var. BARI Lalshak 1), radish (Raphanus sativus var. BARI Mula 1), mustard (Brassica campestries var. BARI Sarisha 14), jute (Corchorus capsularis var. BINA patshak-1) and spinach (Spinacia oleracea var. BARI palong shak were sown on same day i.e. 6 November, 2015 and 28 October, 2016 (Robi/winter season). For pumpkin, pits of 50 cm × 50 cm × 45 cm size were dug at a spacing of 2 m × 2 m. Pumpkin seeds were directly sown in pits (3 seeds per pit) whereas leafy vegetables seeds were sown following broadcasting method. Seed rate of pumpkin, coriander, red amaranth, radish, mustard, jute and spinach were 5, 24, 3, 5, 8, 15 and 40 kg ha-1, respectively. Intercrop seeds were sown in the whole plot excluding pit areas and therefore the approximate intercropped areas were 95%. Pumpkin, coriander and spinach seeds were soaked in water overnight for quick germination. Seeds of all crops were treated with a recommended fungicide, Bavistin at 2 g L-1 before sowing to control disease organisms, such as bacterial spot, fusarium root rot and damping-off disease, which may be on the seed surface. The crop was fertilized with N, P, K, S, Zn, B and cowdung at 69, 35, 75, 18, 3, 2 kg ha-1 and 10 t ha-1, respectively as per recommendation of Mondal et al. (2014). The sources of N, P, K, S, Zn and B were urea, triple super phosphate (TSP), muriate of potash (MOP), gypsum, zinc sulphate and boric acid, respectively. Entire amount of cowdung, TSP, gypsum, zinc sulphate, boric acid and one third (1/3) of MOP were applied during pit making (5 days prior to seed sowing of pumpkin). Total amount of Urea and rest of MoP were applied in four equal instalments at 15, 35, 55, and 75 days after seed sowing in pit at ring method. An additional 46 kg ha-1 N was top dressed only on leafy vegetables at their early vegetative stage at 15 days after sowing. Hand weeding was done for all plots as per requirement to control weed infestation especially before top dress and split application of fertilizer. Three irrigations were provided in the experimental field with ground water at 15, 35 and 55 days after sowing (DAS). Insect pest and disease infestations were generally low for most of the seasons during the experimental years. However, sex pheromone trap (Cuelure) was used in both years to control shoot and fruit borers. Chemical protection measures were also taken against powdery and downy mildew diseases by spraying sulphur fungicide, Thiovit 80 WP at 2 g L-1. The experimental plots were kept separated from each other by using a nylon net. Coriander green, red amaranth, radish green, mustard green, jute green and spinach were harvested manually at 40, 30, 25, 26, 28 and 44 DAS respectively in both years. First harvest of sweet gourd (green) was done at 77 and 80 DAS and harvesting was continued up to 130 DAS in 2016 and 2017, respectively. Data on yield and yield contributing characters were recorded plot wise accept fruit size and average fruit weight (5 fruits from each treatment were sampled). Plot yields were then converted to tons per hectare. To compare system productivity, yield of individual crop was converted to Pumpkin equivalent yield (PEY) considering prevailing market price of the crops which was calculated following the formula of Biswas et al. (2006): PEY (of crop x) = Yx (Px/Pr) Where Yx is the yield of crop x (tons harvest product ha-1), Px the price of crop x, and Pr is the price of pumpkin. Prices of individual inputs and outputs were assumed to be stable during the experimental period. However, the PEY does not indicate the net gain obtained from the cropping system and also does not explain the land use pattern on the cropping systems. As yield is a function of duration of land use utilization, Hiebsch (1978) suggested that area time equivalent ratio (ATER) is a better index for assessing yield advantage in intercropping systems. In the present study, the companion crops were of different maturity periods, thus, it was computed from the following equation used by Haruna et al. (2013): ATER = [(Ya/Sa) × Ta + (Yb/Sb) × Tb]/T Where Ya= Yield of crop ‘a’ in intercropping, Sa= Yield of crop ‘a’ in sole cropping, Yb= Yield of crop ‘b’ in intercropping, Sb= Yield of crop ‘b’ in sole cropping, Ta= duration of crop ‘a’, Tb= duration of crop ‘b’, T= Total duration of intercropping system. On the other hand, land equivalent ratio (LER, the relative land area required as sole crops to produce the same yields as under intercropping) was used as the criteria for measuring the efficiency of intercropping advantages using the resources of environment compared to monoculture and it was calculated by the following formula adapted by Haruna et al. (2013): LER= Yab/Yaa + Yba/Ybb Where, Yaa and Ybb= Sole yield of crops ‘a’ and ‘b’ respectively, Yab and Yba= Mixture yield of crops ‘a’ and ‘b’ respectively. Economic analyses were carried out to assess the economic productivity of the intercropping systems. Net return or profit was calculated by subtracting production cost from the gross return. Prices used for harvest products were the average prices observed in the market during the experimental period. All statistical analyses were carried out using the MSTAT-C statistical software (Michigan State University, USA). ANOVA and Duncan’s multiple range (DMRT) tests were performed to assess significant differences in the mean crop yields, yield attributes, PEY, LER and ATER.