热闹的土地When it’s winter, the soil (土壤) is cold and quiet (安静的). In spring, the sun warms the soil. The soil becomes a busy place.New plants pop out of (冒出来) the spring soil. Winter is too cold for them ……

植物的根为什么都是向下生长的？词数 354 建议阅读时间 5分钟 教案见网站DO you keep plants at home? Have you ever wondered why the roots of the plants always know which way to grow – into the soil but not above it? Some British ……

plants “feel”. It could differentiate between unstressed plants, thirsty plants and cut plants, which... plants “feel”. It could differentiate between unstressed plants, thirsty plants and cut plants, which ……

to the soil of other plants, before they stopped giving them water completely. After leaving the plants... at this point keeping thirsty plants alive isn’t as easy as just pouring vinegar over them, Kim said he ……

the pot with some soil. 3. Put the seeds onto the soil. Then cover them with more soil. Put the pot in a place that has sunshine.4. Water (浇水) the plants when the soil dries out (干透). 5. Watch your garden ……

“自行浇水的土壤”助力农业灌溉。“自行浇水的土壤”助力农业灌溉。This new type of soil waters plants..., the gels release the stored water into the soil. Plants then can absorb the water.  Engineers ……

. Without enough soil, plants cannot grow well. As a result, many countries in Europe cannot make as much... away the soil. Without enough soil, plants cannot grow well. As a result, many countries in Europe ……

WHEN you are thirsty, you might whine (哀嚎) or sigh. Animals do that too. But believe it or not, trees also “scream” when they are in need of water. The “scream” that trees make when they are thirsty ……

of researchers studied plants in southern Spain over three months this summer. The plants grew in very poor soil.... They would keep the soil moist (潮湿的). Their fallen leaves gave nutrients to the smaller plants. This helped ……

VCGVCG科学家首次成功在月球土壤种出植物科学家首次成功在月球土壤种出植物Can plants grow in moon soil (土壤)? The answer is a big yes... the first week, the moon soil stressed (使……受压力) the plants so much that they grew slowly ……

, like other plants. But plants also need nutrients (营养) from the soil. Swamps (沼泽) and rocky places have poor soil. That’s where meat-eating plants make their homes.Instead of taking nutrients from ……

is better than soil for growing plants.D. Too much feeding is not good for plants.（参考答案见下期II版）...Choose the answer: 1. What is usually put under the soil?A. Paper.B. Gravel.C. Water.D. Another pot ……

把漂亮的植物戴在身上。LOOK at the plants! They grow on the girl’s neck. In fact, this is a necklace (项链). The plants can grow for weeks without water or soil (土壤). When the plants grow too big, you can move ……

Wearing real plants会生长的植物手链。LET’S wear real plants as necklaces and bracelets (手链)! The plants can keep growing for weeks without water or soil. They can be worn for two to four weeks before growing ……

farmingResearchers at the University of Florida, US, have been able to grow plants in lunar (月球的) soil... plants in lunar (月球的) soil collected during the 1969-1972 NASA Apollo missions to the moon. Although ……