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..., signs of damage, etc. 4. Farmers should also check for impurities such as weed seeds, dirt, twigs, sand, etc. 5. Farmers may carry out a germination test with a small amount of seeds. 6. Seeds in unopened packets should be stored in a cool and dry place. Opened packets should be kept in sealed...

... of nutrients, thus contaminating water sources nearby. 3. Soil organic matter, which serves to increase water-holding capacity of fields, should be built up and maintained. 4. Farmers may effectively reduce water evaporation in fields by mulches and cover cropping, hence enhancing water availability...

... 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...

... & Public holidays: 9:30 a.m. - 4:30 p.m.Closed on Tuesdays (except public holidays) and the first two days of the Chinese New Year. Lions Nature Education Centre Information GeoInfo Map link Transportation Map ...

... (Select one or more). A. Coral community B. Mangrove C. Seaweed bed D. Seagrass bed E. Coral fish F. Chinese White Dolphin 4. Try to circle the below words from the letter puzzle. Coral, Rocky Shore, Coast, Lime Kiln, Mangrove, Seagrass, Beach, Jellyfish, Sea Urchin, Milky Mangrove, Reserve 5. What is the...

... there are species of hard coral in Hong Kong waters. Write down two dominant species of hard coral in Hoi Ha Wan. i) ii) 4. Observe and record two marine organisms that you found at Hoi Ha, draw and name them in the following blocks. Name Name 5. Why should we protect corals...

... 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 (Select one or more). A. Coral community B. Mangrove C. Seaweed bed D. Seagrass bed E. Coral fish F. Chinese White Dolphin 4. Try to...

... above 3. 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 4. Totally there are species of hard coral in Hong Kong waters. Write down two dominant species...

... two dominant species of hard coral in Hoi Ha Wan. i) ii) 4. Observe and record two marine organisms that you found at Hoi Ha, draw and name them in the following blocks. Name Name 5. Why should we protect corals...

..., Coast, Lime Kiln, Mangrove, Seagrass, Beach, Jellyfish, Sea Urchin, Milky Mangrove, Reserve 4. What is the importance between coral community and us? Let’s find out from the following pictures. Important habitat of marine organisms □ Filter and purify the industrial wastewater □ Allow us to enjoy the...