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... For more information on GAP-CROP, please contact: Crop Farm Development Section, Farm Development Division, AFCD Tel: (852) 2668 0227 6. Fields should be irrigated early in the morning, late in the evening or at night in order to reduce evaporation loss of water in high ambient temperature. 7. Uneven...

... in soil. The pH range of 6 to 7 is the optimum for availability of most nutrients. Acid soil can be corrected by liming, whereas alkaline soil can be corrected by sulphur. 6. Saline soil can be rectified by leaching soil, scraping off surface soil and reducing use of agro-chemicals that cause salt...

... 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...

... ， 綜合防治方法＼ 選用抗病品種 選無病蟲害作物留種或作種薯 休耕期浸田、翻犁、曬土 雨後及時排水 5. 施是基肥，追肥不偏旄氮肥， 增旄磷、鉀肥，增強作物的 抗病能力 6. 注重田間衛生，勤清病萘殘株 7. 增加田間通透性，降低濕度 8. 人手捕捉斜蚊夜蛾幼蟲 9. 利用誘蟲燈、設糖醋液 陷阱誘殺斜紋夜蛾成蟲 10. 在田邊種植芋頭引誘斜紋 夜蛾産卵，集中清除卵塊 11. 及時清除雜草上的蟲卵和低齡幼蟲 12. 翻土曬田與灌水相配合，滅殺在土 中的蛹和幼蟲 13. 保護天敵，如寄生蜂、瓢蟲等 14. 安全地使用不同種類的除害劑（可參考下表） 防治對象 除害劑飩冊編號 商品名稱 除害劑種類...

... you found at Hoi Ha, draw and name them in the following blocks. Name Name 7. In the old days, people use ________________ or ________________ as raw materials for producing lime in the lime kiln. 8. Please circle the functions of lime in the old days from the followings. Aqueous solution Neutralize...

...? _________________________________________________________________________________________________________ _________________________________________________________________________________________________________ 6. In the old days, people use ________________ or ________________ as raw materials for producing lime in the lime kiln. 7. What is/are the function(s) of lime? A. Construction B. Medical use C. Agriculture D. Religious purpose 8. What are the survival challenges that mangroves face in their living...

... □ Filter and purify the industrial wastewater □ Allow us to enjoy the marine environment □ For the manufacture of valuable accessories □ 6. Observe and record two marine organisms that you found at Hoi Ha, draw and name them in the following blocks. Name Name 7. In the old days, people use...

...? _________________________________________________________________________________________________________ _________________________________________________________________________________________________________ 7. In the old days, people use ________________ or ________________ as raw materials for producing lime in the lime kiln. 8. What is/are the function(s) of lime? A. Construction B. Medical use C. Agriculture D. Religious purpose 9. What are the survival challenges that mangroves face in their living...

...? _________________________________________________________________________________________________________ _________________________________________________________________________________________________________ 6. In the old days, people use ________________ or ________________ as raw materials for producing lime in the lime kiln. 7. What is/are the function(s) of lime? A. Construction B. Medical use C. Agriculture D. Religious purpose 8. What are the survival challenges that mangroves face in their living...

... kiln. 7. Please circle the functions of lime in the old days from the followings. Aqueous solution Neutralize the acidity of agricultural farm Incense ash for religious purpose Repairing material for vessels Medical use Food additive Construction material Desiccant 8. Mangroves face lots of challenges...