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閱讀下面短文,根據其內容寫一篇60詞左右的內容概要。
   Watering is key to growing plants well,so here we look at how to get it just right.This not only means providing the water our gardens need but using it wisely.Water is a precious resource and supplies in the UK are under pressure from the effects of climate change,population increase and the need to protect the environment.Generally,several aspects need to be considered.
   When to water
   Water in the mornings,if you can,as this is when the sun comes up and plants start to transpire(蒸騰)in sunlight,drawing water from the soil,through their roots,up their stems and to their leaves.Evening watering is also fine,as the cooler conditions mean less water is lost to evaporation(蒸發(fā)).Watering in the heat of the day is not a good idea,as much water is lost through evaporation from the surface of the soil.Plants will use water more efficiently if watered in the cooler parts of the day.
   How to water
   Watering thoroughly matters.It helps get the water down to the deeper root tips where it's needed.But,equally important,the soil doesn't have to be really wet all the time because plants roots need air as well as water to grow well.Otherwise,there might be no flower or fruit,and even a worse result might come along.
   Other tips
   To use water in the most economical way,it's good to learn different plants' watering requirements.For example,a container plant in hot sunny weather may need watering daily,whereas a mature shrub might only need a drink in extreme drought.Annual flowers and vegetables produced in the spring are likely to need more watering than self-sown or autumn grown plants as they have new and shallow root systems.So,don't treat all the plants in the same way.

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發(fā)布:2024/6/27 10:35:59組卷:5引用:3難度:0.5
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