Abstract:The digital economy accelerates the innovation of agricultural product circulation,making live-streaming e-commerce an increasingly important vehicle for agricultural digital transformation.The e-commerce development in Huzhou has deeply integrated local industrial characteristics with digital innovation,establishing itself as a pivotal e-commerce hub in the Yangtze River Delta region.Based on the SCOR model,this study identified 17 secondary risks in the processes of planning,procurement,production,distribution,and returns,and evaluated their weights using the entropy weight method.The results indicated that the risks associated with distribution and planning were the most significant,with six secondary indicators,including improper storage and unreasonable planning settings,accounting for over 60%.To address these issues,six targeted strategies were proposed:refined warehousing,collaborative planning,data-driven forecasting,logistics management,after-sales optimization,and efficient response mechanisms.These findings provided theoretical foundations and practical strategies for optimizing the live-streaming e-commerce supply chain of agricultural products in Huzhou,contributing to the sustainable development of the industry.

Abstract:With the improvement of living standards,people's demand for premium tomatoes with good quality and excellent taste is increasing.Tomato quality is influenced by multiple factors,creating an urgent need for a set of high-quality,efficient and standardized cultivation techniques for tomatoes,that are simple in technology,easy to master,highly operable and practical.This paper analyzed the key technologies and specific operation methods of high-quality and efficient cultivation of greenhouse tomato,and combined with practical production experience,summarized the technologies of substrate cultivation,planting and field management of facility tomato,including water deficit management at different growth stages of tomato,precise fertilizer control,green prevention and control of diseases and pests,and harvesting.This technology was conducive to promoting the standardized production of high-quality fresh tomatoes in facilities,achieving water saving and fertilizer saving in vegetable production,improving quality and yield,and meeting the needs of consumers for high-quality vegetables.

Abstract:In order to investigate the differences in nutrient composition and active ingredients between Ganoderma lucidum and Ganoderma sinense originating from Anhui province.The basic nutrients,amino acids,trace elements and major active ingredients were tested and analyzed.The results showed that crude fat,crude protein and crude fiber contents were higher in G.lucidum,while carbohydrates,water content and crude polysaccharides were higher in G.sinense.Seventeen types amino acids were detected in both Ganoderma species,and the total amount of amino acids,essential amino acids and non-essential amino acids of G.lucidum was higher than that of G.sinense.The two Ganoderma species were rich in trace elements of Ca and Mg.In terms of active ingredients,the contents of nucleosides and ganoderic acid were higher in G.lucidum than in G.sinense,while ganoderic acid was not detected in G.sinense.Significant differences in nutrient composition and major active components between the two Ganoderma species,with G.lucidum having a higher nutritional and active component content than G.sinense.

Abstract:As one of the important aquatic vegetables in China,water dropwort is mainly consumed fresh and has extremely high requirements for the quality and safety of agricultural products.Its unique aquatic growth mode complicates the residue and degradation patterns of pesticides after application.Based on the green food standard system and GB 2763-2021,this study screened and analyzed pesticides applicable to green food production of water dropwort.The results showed that among 159 pesticide products(involving 33 pesticides),15 pesticides complied with NY/T 393-2020.Among them,five pesticides(glufosinae-ammonium,zineb,beta-cypermethrin,thiophanate-methyl,and bisultap)were not uniquely correspond to NY/T 393-2020,which affected the quality assessment of green food.The residue limits of imidacloprid,phoxim,and mixture imidacloprid-phoxim belong to the"uniform limit standard"pesticides,which are easily exceeded in production as long as they are used.In conclusion,through rigorous screening,this study identified seven pesticides suitable for green food production of water dropwort.

Abstract:'Harlikar'apples are known for delicate flesh and unique taste,but they have poor storability.They are susceptible to physiological diseases like browning of the skin,flesh,and core for unknown reason.The firmness,soluble solids content,and aroma of apples also decreased during storage,which caused the fruits to lose original crispness,flavor and commercial value.This study investigated the effects of controlled atmosphere(CA)storage(2%-3%O2+1%-2%CO2)on the quality and volatile aroma of'Harlikar'apples by measuring indices including fruit firmness,soluble solids content,ethylene release rate,browning index,and volatile aroma compounds.The results showed that controlled atmosphere storage could significantly inhibit the decrease of fruit firmness.After stored 180 days and 5 days of shelf life at room temperature,the fruit firmness was increased by 10.3%and 22.5%respectively compared with cold storage.But CA had no significant effect on the content of soluble solids.Cold storage and controlled atmosphere storage reached the ethylene release peak at 60 days and 120 days respectively,with ethylene release rates of 3 293.2 μL/(kg·h)and 1 836.4 μL/(kg·h).Controlled atmosphere storage could not only delay the ethylene release peak but also reduce the peak ethylene release rate.After stored 180 days and 5 days of shelf life at room temperature,the α-farnesene contents of fruits storaged at cold storage and controlled atmosphere storage were 79.9 μg/kg and 25.3 μg/kg respectively.CA storage inhibited fruit browning during shelf life by reducing the α-farnesene content,and the fruit browning index was 85.7%lower than that of cold storage.In addition,the content of volatile aromas was significantly correlated with the ethylene release rate.CA treatment promoted the release of volatile aroma compounds such as esters and aldehydes during shelf life while inhibiting alcohol accumulation,and improved fruit flavor.

Abstract:Tomato is an important vegetable and economic crop.Tasty tomatoes mainly refer to a category of tomatoes characterized by high soluble solids content,excellent flavor quality,and suitability for fresh consumption.The market demand for tasty tomato is growing.The production of high-quality tasty tomatoes requires not only superior varieties,but also supporting cultivation techniques to yield products.This article summarized key techniques involved in the production of tasty tomatoes,including variety selection,irrigation and fertilization management,pest and disease control,and optimal harvesting timing.It aimed to serve as a guidance for the high-quality production of tasty tomatoes.

Abstract:In order to investigate the effect of modified atmosphere packaging(MAP)on the freshness of strawberries during storage at different shelf temperatures,strawberries were packaged using conventional film(P1)and antibacterial film(P2),and then stored at(4±1)℃ and(25±1)℃.P1 packaging with holes was used as the control group(Con).The changes in appearance,nutritional quality,physiological indices,and antioxidant enzyme of strawberries were analyzed.The results showed that compared with storage at room temperature,low-temperature storage was found to be beneficial for maintaining the quality of strawberries and extending shelf-life.Compared with the control group,P1 and P2 were observed to maintain a relatively high O2 level in the bag,inhibit the accumulation of CO2,and reduce the ethylene release of strawberries,thereby further delay quality deterioration.Among the treatments,the P2 packaging was found to show the best preservation effect,significantly reducing the weight loss rate,and microbial colony count of strawberries.At 15 d on the low-temperature shelf,its soluble solids,titratable acid,and ascorbic acid contents were measured to be 6.59％,12.68％,and 30.89％higher,respectively,than those of the Con.Additionally,it was demonstrated that P2 packaging could stabilize the total phenolic content,enhance the activities of catalase(CAT)and ascorbate peroxidase(APX).In conclusion,antibacterial MAP combined with low temperature could effectively maintain strawberry quality during the shelf life,and prolong its duration,providing technical references for strawberry storage,transportation,and sales.

Abstract:Watermelon facility cultivation is a labor-intensive industry with a large amount of labor and rising labor costs,which has increasingly become a limiting factor for the development of the watermelon industry.Moreover,as the years of cultivation increase,some problems in watermelon production,such as low water and fertilizer utilization rates,difficulties in precise fertilization,and severe soil-borne diseases,have become more prominent.In response to these issues,this article summarized the simplified and reduced-input cultivation technology for small-sized watermelons in facilities.This technology introduced the key techniques and specific operation methods,elaborated on the cultivation facilities,cropping schedules,variety selection,seedling raising,field management,and harvesting techniques for small-sized watermelons in facilities,and analyzed the advantages and benefits of this technology,with the aim of helping growers achieve greater economic benefits and promoting the upgrading of the watermelon industry.

Abstract:The"dual-carbon"goals endowed green agricultural development with new connotations,and the promotion of green and low-carbon transformation in agriculture becomes a key pathway to connect ecological civilization construction with comprehensive rural revitalization.As the birthplace of agricultural industrialization,Weifang is characterized by a leading agricultural industrial scale,sound industrial chains,and a high level of technological application.However,with the in-depth advancement of agricultural industrialization,Weifan's agriculture is facing severe resource and environmental pressures,and the transition to green and low-carbon development is imminent.Based on the realistic foundation of agricultural green development in Weifang,this paper analyzed the internal logic of agricultural green development under the"dual-carbon"goals from three dimensions:conceptual guidance,efficiency improvement,and function expansion.It systematically reviewed the current challenges,including a lack of diverse stakeholders in governance,insufficient integration of industry-university-research,inadequate control of non-point source pollution,imperfect policy and standard systems,and a lack of innovation in financial services.Furthermore,it put forward targeted realization paths from aspects such as building a multi-subject participation pattern,forging a green whole industry chain,strengthening technological and digital empowerment,deepening the prevention and control of non-point source pollution,and improving green financial services,so as to provide practical reference for major agricultural cities in promoting green and low-carbon transformation.

Abstract:Luzhou is a late-maturing production area for longan production in China,with obvious advantages in longan cultivation.Under the current circumstances where existing longan varieties fail to meet consumer demand,optimizing the variety structure of Luzhou longan holds significant importance for improving fruit quality and enhancing orchard profitability.This article summarized the current regional distribution status of Longan in Luzhou,analyzed the existing variety structure and harvest time distribution,explored the main problems in the variety structure,and proposed adjustment suggestions.It was pointed out that measures such as strengthening resource conservation and innovative utilization,expanding the scale of new variety breeding,strengthening the training of professional and technical personnel,carrying out demonstration and display of excellent new varieties,promoting research on corresponding cultivation techniques,and increasing the promotion of new varieties would be crucial for adjusting the structure of Longan varieties in Luzhou and increasing the benefits of regional Longan industry.

Abstract:Codonopsis pilosula polysaccharides(CPPs)are the principal bioactive components of C.pilosula,characterized by complex structural features and diverse biological functions,including antitumor,immunomodulatory,anti-inflammatory,and neuroprotective activities.This review summarized the monosaccharide composition,molecular weight distribution,and structural characteristics of CPPs,with a focus on their mechanisms of action in antitumor,anti-inflammatory,neuroprotective,immunomodulatory,and antioxidant activities.Additionally,recent advances in the application of CPPs in functional foods,health supplements,and drug delivery systems were discussed.This work provided a reference for further research and development of CPPs in biomedical and nutraceutical fields.

Abstract:As a dual-purpose resource for both medicinal and food use,yam currently suffers from low consumer awareness of its health value and lacks market competitiveness,with nutritional claims being a persistent shortcoming.This study focused on three dimensions(nutritional quality,active substances,and sensory evaluatio)to construct a scientific and systematic multi-dimensional quality evaluation system for yam.Nutritional quality primarily included the content of starch,protein,dietary fiber,minerals,and vitamins.Active substances mainly consisted of diosgenin,yam polysaccharides,allantoin,and phenolic compounds.Sensory evaluation quantifies four dimensions:form,color,aroma,and taste.This system could provide a scientific basis for yam variety breeding,cultivation management,processing optimization,and product quality control,while also offering a reference for consumers to select high-quality yam products.

Abstract:To clarify the quality differences among cherry tomatoes of different colors and their correlation with sensory evaluation results,this study focused on five cherry tomatoes with different colors.The main flavor quality indicators and carotenoid were measured,combined with sensory evaluation analysis.Results showed that the average contents of sorbose,fructose,glucose,total sugars,various organic acids,and total amino acids in the light-colored tomato group were higher than those in the dark-colored group,while the dark-colored group had significantly higher carotenoid contents.In sensory evaluation,'Shengyu 509'and'Qingtian No.2'received the highest scores due to their well-balanced sweetness and acidity.The light-colored tomato group scored relatively higher overall due to their high sugar and low acidity taste.Correlation analysis indicated that fructose,sugar components were significantly correlated with sweetness,flesh texture,melt-in-mouth property,and overall sensory scores.However,lactic acid content was significantly negatively correlated with overall sensory scores,suggesting that evaluators were more sensitive to sweetness perception.Overall,light-colored cherry tomatoes had a better taste,while dark-colored ones were richer in carotenoids,This study provided a scientific basis for quality improvement and market positioning of different cherry tomatoes.

Abstract:Silicon plays an important role in plant growth,development,and stress resistance,and it is regarded as a beneficial element.While current researches on low-absorption fruit and vegetable varieties remain relatively limited.This review systematically summarized recent research progress on silicon in improving the development,nutritional quality,flavor characteristics,stress resistance,and shelf life of fruits and vegetables.It identified several problems in current research,such as an unclear mechanism of action,a lack of systematic agronomic schemes,and an urgent need to strengthen the research and development of new silicon source materials.Future research directions were proposed,including in-depth exploration of molecular mechanisms,establishment of customized application strategies and evaluation systems,and assessment of the long-term ecological effects of exogenous silicon,to provide a reference for expanding both mechanistic research and practical applications of silicon in the field of fruit and vegetable production.

Abstract:With the intensification of farmland pollution and high background contamination,quality and safety issues caused by excessive heavy metals in agricultural products have attracted growing attention.However,traditional detection methods generally suffer from long testing cycles,high costs,and demanding requirements for instruments and professional personnel,making it difficult to meet the practical needs for rapid screening.This paper systematically elaborated on the main types and applications of rapid detection technologies for heavy metal residues in agricultural products,with a focus on the principles,features,and applicable scenarios of methods such as immunoassays,enzyme inhibition assays,X-ray fluorescence spectroscopy(XRF),and electrochemical analysis.It also summarized the advantages,limitations,and scope of application of these methods,providing references for the quality and safety regulation of agricultural products.

Abstract:Simply applying chemical fertilizers has a certain increase in production effect on melons,but it seriously affects the quality of melons.In order to explore ways to improve the quality and yield of melons,this experiment,on the premise of increasing the application of bio-bacterial fertilizer,reduced the use of chemical fertilizers.By setting three different reduction gradients,the experiment explored the effect of improving the quality and efficiency of melons.The experimental results showed that on the premise of applying 900 kg/hm2 of bio-bacterial fertilizer,when the chemical fertilizers were reduced by 10%,20%,and 30%,the yield increased by 13.49%,12.70%,and 5.56%respectively compared with the treatment of applying only chemical fertilizers.The central sugar content of the treatments with additional application of microbial bacterial fertilizer was more than that of the treatment with only chemical fertilizers.When the chemical fertilizers were reduced by 10%and 20%,the edge sugar content increased compared with that of applying only chemical fertilizers.Among them,the conclusion was that under the premise of applying 900 kg/hm2 of biological bacterial fertilizer,reducing the conventional application rate of chemical fertilizers by 10%-20%could promote the quality improvement and efficiency enhancement of white-skin muskmelons,it could be applied and promoted in the production of white-skin muskmelons.

Abstract:The fruit and vegetable industry is a key area for promoting agricultural modernization and rural revitalization.In recent years,the fruit and vegetable industry in Daqing city has developed rapidly,especially in facility agriculture,characteristic planting and the integration of agriculture and tourism,becoming an important engine for promoting agricultural development.However,the core contradiction in the development of the fruit and vegetable industry is"high-cost production"and"low value-added output",and it is urgent to break through the bottleneck through technological empowerment,leading enterprises' guidance and precise policy support.Based on field research,this article systematically analyzed the development advantages of the fruit and vegetable industry in Daqing city in terms of scale layout,green safety,and technological application.It analyzed the prominent problems in high cost production,outdated facilities,insufficient technological support,short industrial chain,and weak brand influence.From the aspects of facility upgrading,technology promotion,subject cultivation,cold chain construction,processing extension,and brand building,it proposed integrated development strategies for the entire chain to promote the quality,efficiency,and high-quality development of the fruit and vegetable industry in Daqing city.

Abstract:This study was conducted to investigate the optimal fertilization strategy for substrate-cultivated strawberries during the high-temperature season in Beijing,aiming to enhance fruit quality,increase yield,and reduce chemical fertilizer usage.Using the'Benihoppe'strawberry as the experimental material,based on the optimal nitrogen-to-potassium ratio(1∶2)for strawberry growth and development,different EC concentrations(1.2,1.4,1.6 mS/cm)were set.By measuring growth indicators such as stem height,plant height,crown diameter,and yield,as well as quality indicators including soluble sugar,titratable acid,sugar-to-acid ratio,vitamin C content,the optimal nutrient solution concentration was determined.This study investigated the effects of different nutrient solution concentrations on strawberry fruit quality,growth,development and yield.Based on the optimal nitrogen-to-potassium ratio(1∶2)for soilless strawberry cultivation,if the goal was to prioritize fruit quality,the EC value could be adjusted to 1.6 mS/cm.If the aim was to balance both yield and quality,the EC value could be adjusted to 1.4 mS/cm.This study can provide a theoretical basis for substrate strawberry production and enhance farmers'awareness of standardized fertilization.

Abstract:Asparagus officinalis contains abundant nutrients and has high edible and medicinal value.This paper summarized the functional components and biological activities of A.officinalis,and introduced the current situation of A.officinalis processing technology in China,including fresh food,primary processing,waste utilization,and development of food ingredients.It pointed out the problems existing in China's fresh consumption and processing industry of A.officinalis,such as raw material surplus and waste,analyzed the comprehensive utilization technology of A.officinalis waste,in order to provide references for the future development of the A.officinalis industry.

Abstract:Bayberries ripen during the early summer rainy season,and lack a protective peel,making them highly perishable.In this paper,Erdu bayberry was taken as the experimental object to study the preservation effect of limonene emulsion on bayberry.The results showed that limonene emulsion could inhibit respiration intensity,reduce the decay rate and minimize the loss of nutrients in bayberry when stored at 4 ℃.On the 15th day of storage,compared with the control group,the decay rate in the 800 times diluted limonene emulsion treatment group was 63.55％lower,the respiratory intensity was 26.65％lower,the soluble solid content was 20.72％higher,the vitamin C content was 2.36 times higher,and the total sugar content was 30.79％higher.In In conclusion,limonene treatment can effectively inhibit the postharvest respiration of bayberries,slow down the loss of nutrients in bayberries,and can be promoted and applied as a natural biological preservative.