Rapid senescence is the key factor in the deterioration of post-harvest shelf-life in broccoli heads. This study evaluates the head yield and its related traits, and physicochemical attributes of broccoli under four foliar sprays of mineral nutrients (B, Zn, Mo, and B + Zn + Mo) with control. The interaction effects of shelf-life and physicochemical attributes of broccoli for these five pre-harvest and five post-harvest storage treatments (LDP bag, HDP vacuum pack, 2% eggshell powder solution, 2% ascorbic acid, and control) both at cold storage and room temperature were evaluated with three replications. The significantly higher marketable head yield of 28.02 t ha−1, maximum gross return [(Bangladesh Taka (BDT 420300 ha−1)], net return (BDT 30565 ha−1), and maximum benefit–cost ratio (BCR) of 3.67 were obtained from the pre-harvest foliar application of B + Zn + Mo in broccoli. Pre-harvest foliar spray of combined nutrient B + Zn + Mo and post-harvest treatment high-density polyethylene (HDP, 15 μm) vacuum packaging efficiently improve post-harvest physicochemical attributes, viz., compactness, green color, texture, carbohydrates, fats, energy, antioxidants, vitamin C, and total phenols in broccoli head compared to the rest of the treatment combinations. In addition, this treatment combination also confirmed a maximum shelf-life of 24.55 days at cold storage [relative humidity (RH) 90–95% and 4°C] and 7.05 days at room temperature (RH 60–65% and 14–22°C) compared to the rest of the treatment combinations. Therefore, we recommend a pre-harvest foliar spray of combined nutrient elements B + Zn + Mo and an HDP (15 μm) vacuum post-harvest packaging for the maximum benefits for both farmers and consumers to get the best head yield, anticipated physicochemical attributes, and maximum shelf-life of broccoli.
The study estimates impacts of vermicompost manure on modern varieties (MV) of paddy produced in Bangladesh. Primary data were used in this study. The findings of the study indicated that on an average, the sampled farmers who used vermicompost comparatively used less proportion of chemical fertilizers such as urea, triple super phosphate, zypsum, zinc and manure except muriate of potash. The yield of MV boro and the net profit of per hectare was significantly much higher (about 1.91 times) in the farms that used vermicompost compared to those farmers who did not use it. The household income of the farmers who used vermicompost with irrigation has risen significantly (about 1.19 times). The farmers had experienced constant return to scale in MV boro paddy farms in both techniques. The farm area, seed, pesticide, irrigation, urea cost and vermicompost cost were the main factors that significantly affected the MV boro paddy production in farms that used vermicompost. On the other hand, the farm size, urea, chemical fertilizers, manure and labour had significant impact on MV boro paddy production under the farms that did not use vermicompost. Vermicompost normally retains the moisture as well as organic matter in topsoil. As a result, comparatively lesser amount of chemical fertilizers and irrigations are required for per hectare MV boro paddy production. There was inefficient and non-optimal use of resources in both the farms which hindered production of maximum level of output in the study area.
The study was conducted at Jashore Sadar Upazila, Bangladesh during 2019-20 and 2020-21 to evaluate the effects of organic and inorganic nutrient sources on yield, quality and shelf life of broccoli through Randomized Complete Block Design with three replications and ten treatments which were: T1 = Soil test based 100% NPK, T2 = Vermicompost 4 t ha-1 + soil test based 50% NPK, T3 = Vermicompost 2 t ha-1 + 100% NPK, T4 =Tricho-compost 2 t ha-1 + 100% NPK, T5=FYM 6 t ha-1 + 100% NPK, T6 = Tricho-compost 4 t ha-1 + 50% NPK, T7 =FYM 12 t ha-1 + 50% NPK, T8= Vermicompost 1 t ha-1 + 125% NPK, T9= Tricho-compost 1 t ha-1 + 125% NPK, T10= FYM 3 t ha-1+125% NPK. Completely Randomized Design was designed to determine the shelf life of broccoli with three replications considering three factors; (i) Organic and inorganic nutrient sources; (ii) storage materials at room temperature (iii) storage materials at cold storage. Findings revealed that treatment T3 produced significantly maximum marketable curd yield 30.57 and 30.23 t ha-1 and the highest Benefit Cost Ratio (3.70 and 3.66) in the respective years. The treatment T2 effectively increased post-harvest quality attributes and also recorded the highest shelf life 8.36 and 8.55 days at room temperature (14-240 C with RH 60-65%), 26.33 and 27.25 days at cold storage (4° C with RH 90-95%) condition using High -Density Polyethylene (HDP; 15 micron) vacuum pack during the years of 2019-20 and 2020-21 respectively.
This study was conducted at the farmer’s field of Jashore Sadar Upazila, Bangladesh during the Rabi seasons of 2020-2021 to evaluate pre-harvest foliar application effects of mineral nutrients on yield, quality and shelf life of broccoli. The experiment was designed in Randomized Complete Block Design (RCBD), including three replications and seven treatments for field study which were: T1=control, T2=Ca@o.30%, T3=B@o.30%), T4= Zn@o.30%, T5=Mo@o.30%, T6=Mn@o.30%, and T7= (Ca+B+Zn+Mo+Mn)@o.30%. In order to determine the shelf life of broccoli, a Completely Randomized Design (CRD) was conducted with three replications considering three factors; (i) pre-harvest foliar application of mineral nutrient sources; (ii) room temperature along with storage materials, and (iii) cold storage along with storage materials that were used accordingly. Findings revealed that the effects of pre-harvest foliar application of mineral nutrients had a significant influence on the yield, post-harvest quality, and shelf life of broccoli. The treatment T7 (Ca+B+Zn+Mo+Mn)@o.30% produced significantly in all respects of yield contributing attributes denoting curd length, diameter, and marketable curd yield of broccoli. The same treatment effectively increased post-harvest quality attributes such as color, compactness, texture, dry matter, fats, carbohydrates, energy, vitamin C, antioxidants, and phenols content in the curd. In addition, the treatment also recorded the highest shelf life of 7.25 days at room temperature (14-240c with RH 60-65%) and 24.33 days at cold storage (40c with RH 90-95%) conditions within a High-Density Polyethylene (HDP; 15 micron) Vacuum pack.
A study was conducted at Chanchra, Sadar Upazila, Jashore, Bangladesh during Rabi seasons of 2019-20 and 2020-21 to evaluate pre-harvest treatments of inorganic nutrient sources on yield and shelf life of broccoli through Randomized Complete Block Design (RCBD) with three replications and six treatments which were; T1= soil test based 50% NPK with blanket dose, T2=soil test based 75% NPK with blanket dose, T3= soil test based 100% NPK with blanket dose, T4=soil test based 125% NPK with blanket dose, T5=local farmers practice (N138 P75 K94 S27 Zn5 kg ha-1),T6 = control.Completely Randomized Design (CRD) was designed to determine the shelf life of broccoli with three replications considering three factors; (i) pre-harvest treatments of inorganic sources of nutrient; (ii) storage materials at room temperature and (iii) storage materials at cold storage condition.Findings revealed that the effects of different inorganic sources of nutrients significantly influenced on yield and shelf life of broccoli. The treatment T3 (soil test based 100% NPK with blanket dose) resulted in better marketable curd yield with maximum gross returns, net returns and Benefit Cost Ratio(BCR) as compared to other treatments. The treatment T1 (soil test based 50% dose of NPK with blanket dose) recorded the maximum shelf life of 6.57 daysand 6.83 days at room temperature (14-240C with RH 60-65%) and 23.65 days and 24.25 days at cold storage (40C with RH 90-95%) condition using High -Density Polyethylene (HDP;15 micron) vacuum pack during the years of 2019-20 and 2020-21 respectively. SAARC J. Agric., 20(1): 131-141 (2022)
The study estimates impacts of vermicompost manure on modern varieties (MV) of paddy produced in Bangladesh. Primary data were used in this study. The findings of the study indicated that on an average, the sampled farmers who used vermicompost comparatively used less proportion of chemical fertilizers such as urea, triple super phosphate, zypsum, zinc and manure except muriate of potash. The yield of MV boro and the net profit of per hectare was significantly much higher (about 1.91 times) in the farms that used vermicompost compared to those farmers who did not use it. The household income of the farmers who used vermicompost with irrigation has risen significantly (about 1.19 times). The farmers had experienced constant return to scale in MV boro paddy farms in both techniques. The farm area, seed, pesticide, irrigation, urea cost and vermicompost cost were the main factors that significantly affected the MV boro paddy production in farms that used vermicompost. On the other hand, the farm size, urea, chemical fertilizers, manure and labour had significant impact on MV boro paddy production under the farms that did not use vermicompost. Vermicompost normally retains the moisture as well as organic matter in topsoil. As a result, comparatively lesser amount of chemical fertilizers and irrigations are required for per hectare MV boro paddy production. There was inefficient and non-optimal use of resources in both the farms which hindered production of maximum level of output in the study area.
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