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Yeong Sheng Tey,Elton Li,Johan Bruwer,Amin Mahir Abdullah,Jay Cummins,Alias Radam,Mohd Mansor Ismail,Suryani Darham 기술경영경제학회 2013 ASIAN JOURNAL OF TECHNOLOGY INNOVATION Vol.21 No.1
Individual farmers subjectively perceive the attributes of green agricultural innovations andtheir subsequent benefits. Qualifying this knowledge is important, but past efforts havelargely been unsystematic. This systematic study assesses the structure of perceivedattributes of sustainable agricultural practices. Through a survey of Malaysian vegetablefarmers, the results of confirmatory factor analysis indicate that the most robust structureconsists of four attributes. The four important attributes are relative advantage,compatibility, complexity and trialability. Among them, measures are required to link noneconomicbenefits to profitability to the attribute of relative advantage. Our work representsa guide to assist change agents to evaluate farmer perceptions at different locationssystematically. This structured method will help effectively to design and promotesustainable agriculture and other green agricultural innovations.
Potential of four corn varieties at different harvest stages for silage production in Malaysia
Muhamad Hazim Nazli,Ridzwan Abdul Halim,Amin Mahir Abdullah,Ghazali Hussin,Anjas Asmara Samsudin 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.2
Objective: Apart from various climatic differences, corn harvest stage and varieties are two major factors that can influence the yield and quality of corn silage in the tropics. A study was conducted to determine the optimum harvest stage of four corn varieties for silage production in Malaysia. Methods: Corn was harvested at four growth stages; silking, milk, dough, and dent stages from four varieties; Sweet Corn hybrid 926, Suwan, breeding test line (BTL) 1 and BTL 2. Using a split plot design, the treatments were then analysed based on the plant growth performance, yield, nutritive and feeding values followed by a financial feasibility study for potential commercialization. Results: Significant differences and interactions were detected across the parameters suggesting varying responses among the varieties towards the harvest stages. Sweet Corn was best harvested early in the dough stage due to high dry matter (DM) yield, digestible nutrient, and energy content with low fibre portion. Suwan was recommended to be harvested at the dent stage when it gave the highest DM yield with optimum digestible nutrient and energy content with low acid detergent fibre. BTL 1 and BTL 2 varieties can either be harvested at dough or dent stages as the crude protein, crude fibre, DM yield, DM content, digestible nutrient and energy were not significantly different at either stage. Further financial analysis showed that only Sweet Corn production was not financially feasible while Suwan had the best financial appraisal values among the grain varieties. Conclusion: In conclusion, only the grain varieties tested had the potential for silage making according to their optimum harvest stage but Suwan is highly recommended for commercialization as it was the most profitable.