Tham khảo tài liệu 'tiếng anh chuyên ngành nông nghiệp – phần 5', ngoại ngữ, anh văn thương mại phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 76 The trees are planted closely together in widely spaced rows. Close planting helps the tree trunks to grow straight. You will also need to take into account the canopy diameter of the manure trees when you plant the tree and row spacing. Most tree catalogues and books give these figures. Grazing animals are brought into the forest after three to six years depending on growth rate climate and species . Grazing is controlled through light stocking rates. By this stage the short-lived pioneer species will have either died naturally or will have been harvested for their short-term yields . mulch poles and firewood. At maturity your structural forest will consist of 250 to 500 high value trees per acre and will support grazing animals. 2. Comprehension check. pair-work Answer the following questions. a. What is the first step for establishing a new forest b. What trees should be planted first c. When should the grazing animals be brought into the forest d. How can the animals be controlled e. What should you do to graze your animals in the forest f. Is it necessary to grow a diversity of trees Why g. Should the trees be planted closely Why h. What should you do when you plant trees and row placing 3. Write out the steps of building a farm on which trees forests and animals are grown together in a combination. - First . - Next . - Then . - After that . - Finally . 4. Translation. Translate the reading passage into Vietnamese. 5. Design sustainable ecosystems. Try the following things. - Consider your local area. If you were a farm-planner - Where would you want to plant windbreak to shop in comfort to protect schoolyards etc Would you aim to reduce the impact of hot dry winds cold harsh winds or dirty winds What are the plant characteristics needed to do this What species would you use - What animals would you introduce What crops would you plant and where you would plant them etc pea longan timber windbreak coconut ĨX ft Is s tomato grass runner bean peanut carrot
