Biology Folio Form Four - 3877 Words

TECHNOLOGY USED IN FOOD PRODUCTION The efforts by Various Agencies to Diversity Food Production ULAM Ulam or vegetable salad consists of fresh leaves , fruits , and other plant parts which are eaten raw . Examples of ulam include : pegaga ( Centella asiatica ) [pic] shoots of papaya [pic] kacang botol [pic] petai ( Parkia speciosa ) [pic] kemangi ( Ocimum sanctum ) [pic] Ulam is rich in mineral ions , vitamins and fibre . some of these plants are used in the preparation of herbal medicines and drinks . FACTS ABOUT pegaga , jering and pucuk kaduk ! Pegaga is now recognized by the World Health Organization (WHO) as an herb thought to generate intelligence in children than can help blood circulation and improve skin health .†¦show more content†¦They are low in cholesterol . Examples of freshwater fish are : Tilapia [pic] Jelawat [pic] Haruan [pic] Methods used to improve the quality and quantity of food production DIRECT SEEDING [pic] Direct seeding spring cereal at Dewalds farm near Davenport , WA Direct seeding is a method in which the seeds are shown directly into the soil by using special machines . The seeds are covered with soil as they are being sown . This method does not involve the transplanting of seedlings and therefore results in less damage to the roots of the seedlings . The plants achieve faster growth and this increases crop yield . Less water is also needed to irrigate the fields . This method is widely used in the planting of paddy to obtain higher yields of rice . HYDROPHONIC [pic] Hydrophonics is a commercial technique for growing certain crop plants in culture solutions rather than soil . The roots of the plants are immersed in a solution which contains all the macronutrients and micronutrients in the correct proportions . The culture solution is aerated to provide sufficient oxygen for respiration . [pic] THE HYDROPHONIC METHOD The nutrient solution is pumped into the container for a given period of time . The growing medium absorbs the nutrient solution , and the nutrient solution is then allowed to drain away . THE NEW DESIGN OF HYDROPHONIC GARDEN [pic] AEROPONICS [pic] Aeroponics is a modifiedShow MoreRelatedThe Research Methods Of Internet Articles1554 Words   |  7 PagesThere were four research methods that were used in this research question. The use of internet articles, email interview, library books and visits to the museum. Out of all those research methods, the most effective was the internet articles and the visits to the SA museum. In this evaluation the four research methods will be discussed in details along with their pros and cons. Internet articles were one of the main research methods, and it was chosen because using search engines such as googleRead MoreLgbt19540 Words   |  79 Pagesadding new letters, and dealing with issues of placement of those letters within the new title. Part of a series on | Lesbian, gay, bisexual, and transgender(LGBT) people | | Sexual orientation | * Homosexuality * Demographics * Biology * Environment | History | * LGBT history * Timeline * Social movements | Culture | * LGBT community * Coming out * Pride * Slang * Symbols * Gay village | Rights | * Laws around the world * Marriage * UnionRead Morepreschool Essay46149 Words   |  185 Pagesfor success in school. Visual and Performing Arts Domain The foundations for visual and performing arts address a wide range of competencies that preschool children xiii will need support to learn. The foundations focus on the following four strands: †¢ Visual Art, which includes noticing, responding to, and engaging in visual art; developing skills; and creating, inventing, and expressing through visual art †¢ Music, which covers noticing, responding to, and engaging in music;