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Articles by Mohd Fauzi Ramlan
Total Records ( 2 ) for Mohd Fauzi Ramlan
  Mohamadu Boyie Jalloh , Wan Sulaiman Wan Harun , Jamal Talib , Mohd Fauzi Ramlan , Rajan Amartalingam , Christopher Teh Boon Sung and Osumanu Haruna Ahmed
  Abstract: Problem statement: Intercropping has been shown to have many advantages but it is fallacious to conclude it is always a better cropping system. Little is known about a new double-hedgerow intercropping of rubber, banana and pineapple in relation to its effects on growth and yield of the component crops when compared to their monocrops. Simulation modeling offers a cheaper and faster alternative to explore cropping scenarios and estimate their productivity under a wide range of management and environmental conditions. This simulation study was therefore undertaken to evaluate the growth and yield of immature rubber, banana and pineapple intercrop and monocrop scenarios with the aid of an intercrop simulation model named SURHIS, as well as estimating the intercropping advantage. Approach: A FORTRAN computer model (SURHIS) that simulated the daily light interception and utilization by immature-rubber, banana and pineapple intercropping system was used to simulate intercrop and monocrop scenarios to estimate potential Dry Matter Yield (DMY) for all crops as well as fruit yields for banana and pineapple. The results of the model were tested for accuracy by comparing actual field experimental results with the aid of Mean Deviation (MD) and Mean Absolute Error (MAE) statistical analyses. Intercropping advantage was assessed using the Land Equivalent Ratio (LER) analysis. Results: The model was representative or predicted DMY of the crops with sufficient accuracy. The LER analysis showed that the intercropping system had a dry matter yield productivity advantage of 81% more than monocrops of the component crops. The results also showed that the higher the Plant Population Density (PPD), the greater is the dry matter yield. It was also shown that banana and pineapple had no deleterious effect on the growth of rubber. Fruit weight per plant of banana and pineapple was reduced with increase in PPD for the monocrops. Measured average fresh fruit bunch weight for banana was 18 kg plant-1 and the average fresh fruit weight per plant for pineapple was 2.1 kg for the intercropping system. Conclusion: Intercropping of banana and pineapple with immature-rubber is more productive than the component crops grown as monocrops in their respective optimum plant population densities per hectare. The model can be useful for predicting potential productivity, with sufficient accuracy, of the afore-mentioned intercropping system under varying plant density and environment scenarios as well as acting as a guide for plant density experimentation.
  Shampazuraini Samsuri , Martini Mohammad Yusoff , Mohd Fauzi Ramlan , Zulkefly Sulaiman and Isharuddin Md Isa
  Background and Objective: Intercropping remains a common practice in many developing nations due to the increasing focus on sustainability and food security. A field study was conducted to evaluate the productivity of sweet corn and okra planted in intercropping as affected by crop ratios. Materials and Methods: The study was conducted in a Randomized Complete Block Design with three replications. The crop ratio treatments of intercropping pattern were T1 (20% okra+80% sweet corn+rubber), T2 (50% okra+50% sweet corn+rubber), T3 (80% okra+20% sweet corn+rubber), T4 (100% okra+rubber) and T5 (100% sweet corn+rubber). Results: The sweet corn results revealed that the number of marketable cobs, cob yield and biomass yield was significantly influenced by the cropping pattern where the highest values were obtained in sole sweet corn. The number of okra fresh pods per plant, length and diameter of the fresh pod, weight per pod as well as fresh pod yield per hectare was significantly reduced when okra was intercropped with sweet corn. With regard to intercropping efficiency, the highest Land Equivalent Ratio (LER) and Monetary Advantage Index (MAI) were from the intercropping pattern of T1 (20% okra+80% sweet corn+rubber) with 1.14 and RM 3388 ha1, respectively. Conclusion: Thus, sweet corn-okra intercropping pattern of 20% okra+80% sweet corn+rubber is the most preferred practice in young rubber plantation than sole cropping of sweet corn or okra.
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