搜索結果

... – 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...

... 泠、綜合防治方法 1. 選用抗病品種 2. 種子浦毒 3. 高畦栽培丶迨免密檣 4. 與瓜類丶禾木科作物輪作 5. 增加田間通透性，降低濕度 6. 及時摘病葉丶除病株落葉、清除雜草 7. 含理灌溉，進行由閼排水 8. 保護天敵，如草蜍丶醃蚜小蜂丶瓢蟲 9. 整地時，加入滴量熟石灰於泥土或病 穴中（適用於靑枯病） 10. 應徹底將除害劑噴灑葉面及葉背 11. 利用黃黏紙誘殺白粉虱 12. 利用吸蟲機吸殺白粉虱 13. 間種芹菜丶韭菜及蒜等，以防粉虱傅搐病毒蔓延 14. 靑枯病於微鹼性土壤發病較輕 15. 輪換用藥 16. 安全地使用不同種類的除害劑（可參考下表） 防治對象 除害劑註冊編號...

... 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...

... is higher B. No recreational activity is allowed in Marine Reserve C. All of the above 2. Please match the following organisms/habitat with the relevant Marine Parks (Select one or more). A. Coral community B. Mangrove C. Seaweed bed D. Seagrass bed E. Coral fish F. Chinese White Dolphin 3. Totally...