A.How to get the energy from this plant.B.Two sides of water hyacinths.C.We should grow water hyacinths at once. 相关知识点: 试题来源: 解析 (1)C.推断题.根据"The water hyacinth(水葫芦)grows in tropical countries where the weather is hot and wet.水葫芦生长在热带国家,那里的天气又...
Garden supply stores often carry hyacinths for people who wish to plant them, and special cultivars can also be ordered directly from companies which breed hyacinths. Common hyacinths are bulbs in the genus Hyacinthus. These bulbs produce broad leaves and racemes of tightly clustered bell-like ...
Sow and PlantSet out dormant bulbs the fall. Cover the bulbs to four times their depth with loose soil. Plant in groups of three or more bulbs. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area....
1.Where does the water hyacinth grow? ___ 2. Why do people hate this plant?(Tell one reason.) ___ 3.Water hyacinths are a free crop.What does this mean? __._ 4.How can people use water hyacinths?(Tell one way.) 5. What is the difference between methane gas and other gas?
The plant population can be limited in a number of ways: including use of herbicides, clearance equipment and bio-control insects. However, efforts to minimise the population of water hyacinth need to be continual and consistent; experts warning that unless control methods are upheld, the problem...
Flowers are typically between 2 to 3 inches in width and as many as 15 flowers, each purple on the outside and containing a yellow centre, may grow from each plant. C. Many of the problems associated with the water hyacinth are due to its incredible growth and reproduction capabilities, ...
This is the best time to plant Hyacinth bulbs. Flower bulbs do everything in response to temperature and sunlight. If bulbs are planted too early, before the ground has chilled down to around 55°F, they may grow unnecessary top growth, which could diminish their vitality in spring. If ...
green leaves which grow up to around 6 inches in width and floating leaf stems which grow up to 12 inches in length. Flowers are typically between 2 to 3 inches in width and as many as 15 flowers, each purple on the outside and containing a yellow centre, may grow from each plant. ...
More information about that can be found in this article: How to Grow Spring Bulbs in Warm Climates. Here's another thing to love about these fragrant spring flowers. You don't have to worry about deer. Like daffodils, all parts of the plant contain a substance that’s toxic to deer, ...
Plant a Bulb Hyacinths grow from underground bulbs that are planted in the fall. Each spring, the bulbs send up green leaves followed by their colorful flowers. With the proper care, a single bulb can bloom for multiple years. Along with planting hyacinth bulbs outside in the soil, you ca...