搜索結果

... Operation – Post-Harvesting Good postharvest handling maintains produce quality. 1. Produce destined for marketing should be as free as possible from skin breaks, bruises, spots, rots, decay, and other deterioration. 2. Farmers should keep harvested produce and loaded vehicles in the shade to minimize...

... field to the time it reaches the consumer. 2. A well-documented traceability system facilitates the withdrawal of contaminated produce, thereby enhancing public food safety, and helps farmers track down problems and limit the impact in the event of unwanted contamination or a new plant pest/disease...

... – Harvesting Produce quality and food safety are prime concerns. 1. Produce should be harvested at the right stage of maturity ensuring the best taste and quality. 2. Farmers must strictly observe the withholding period or pre-harvest interval specified on the pesticide label to avoid harvested produce tainted...

... measures, and monitor the effectiveness of such measures. 1. No unattended children should be allowed in the farm. 2. Farm buildings and fixtures should be checked regularly and maintained structurally safe. 3. Farm machinery, equipment and tools should be well calibrated and maintained. Farm workers...

..., take appropriate control/mitigation measures, and monitor the effective- ness of such measures. 1. Farmers should look for varieties which are pest and disease resistant, heat resistant and GM-free. 2. Farmers should buy from a reliable/ reputable source which sells high quality, pest and disease free...

... – Irrigation Sustainable irrigation reduces cost, conserves water and protects the environment. 1. Farmers should apply water efficiently, and schedule irrigation according to soil water availability and crop needs. 2. Excessive irrigation should be avoided as it may cause soil erosion by run-off and leaching...

... – Soil Management Soil is the capital reserve of every farm. 1. Good soil management ensures long-term fertility of soil, and boosts farm yield and income. 2. Protecting soil from erosion due to wind, water and tillage is the first step toward sustainable agriculture. Application of mulches, crop...

... 番茄條斑病毒病 Tomato Streak Virus Disease 病原體：(病毒) Brown streak viruses 病徵：主要病徵出現黃綠色葉片，有黑褐色條紋狀壞死組織壞呈現於莖部、葉柄和果實 的位置。葉片受害後，表面呈凹凸不平、皺縮或畸形。新葉顏色變淡黃，葉片形狀會縮 小或變細如細繩狀，植株矮小，當番茄嚴重發病時會生長停頓，甚至於枯死。病果會僵 硬細小而畸形，表面生褐色油浸狀斑塊變成枯斑，嚴重時病果會出現龜裂狀況。 圖 1：葉片呈黃綠色及皺縮 圖 2：莖上的黑褐色條紋病斑 寄主作物：各類番茄品種。 發生時期：在定植種苗後，若遇上連日陰雨，降雨量大、陽光偏少、氣溫稍低的情況...

... 番茄條斑病毒病 Tomato Streak Virus Disease 病原體：(病毒) Brown streak viruses 病徵：主要病徵出現黃綠色葉片，有黑褐色條紋狀壞死組織壞呈現於莖部、葉柄和果實 的位置。葉片受害後，表面呈凹凸不平、皺縮或畸形。新葉顏色變淡黃，葉片形狀會縮 小或變細如細繩狀，植株矮小，當番茄嚴重發病時會生長停頓，甚至於枯死。病果會僵 硬細小而畸形，表面生褐色油浸狀斑塊變成枯斑，嚴重時病果會出現龜裂狀況。 圖 1：葉片呈黃綠色及皺縮 圖 2：莖上的黑褐色條紋病斑 寄主作物：各類番茄品種。 發生時期：在定植種苗後，若遇上連日陰雨，降雨量大、陽光偏少、氣溫稍低的情況...

... _________ Marine Reserve in Hong Kong. 2. What is the difference between Marine Park and Marine Reserve? A. The level of protection of Marine Reserve is higher B. No recreational activity is allowed in Marine Reserve C. All of the above 3. Please match the following organisms/habitat with the relevant Marine Parks...