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AGRICULTURE REPORT - Hot in the Garden: Too Much Sun Can Harm Vegetables

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Jerry Gough at the Ivy Farms booth at the Downtown Farmer's Market in Paducah, Kentucky last month. Crops have been straining under high temperatures in the area.
Jerry Gough at the Ivy Farms booth at the Downtown Farmer's Market in Paducah, Kentucky last month. Crops have been straining under high temperatures in the area.

This is the VOA Special English Agriculture Report.

Last week we discussed how to grow vegetables in partial sun. This week we learn how to protect vegetables from too much sun.

Curtis Swift is an extension agent at Colorado State University. He says shading plants from intense sunlight in hot weather can increase production. Plants can suffer damage when their temperature rises above thirty-two degrees Celsius.

CURTIS SWIFT: "Tomatoes, peppers, eggplants, and okra and other members of that family drop flower buds and young fruit when the plant temperatures exceed thirty-two degrees C."

Plants can get sunburn. Yellow spots may appear on their leaves and fruit. These areas can become thin and white as plant tissue is affected.

Curtis Swift says shade can help correct these problems.

CURTIS SWIFT: "What it does is, it actually allows the plant to give off adequate water, which cools the tissue."

He suggests shading plants with bed sheets, shade cloth or brush -- in other words, sticks and branches. Cut them about a meter long and stand them in the ground on the south and west sides of plants.

CURTIS SWIFT: "Anything you can put over the plant. A lot of people can cut brush at the edge of the field and stick that into the soil on the south and west side of the plant and provide some shade."

Curtis Swift says if you use cloth sheeting, suspend it at least five centimeters above the plants. That way there is enough space for bees to fly around. Be careful not to cover plants too closely, which could trap heat and defeat the purpose of shading.

People can also buy canopies to shelter their plants. Some canopies have narrow strips of metal or wood to provide either sunlight or shade, depending on the position of the sun.

Curtis Swift says shading works with field crops as well as vine crops like squash. People sometimes plant shrubs or trees to shade their vegetables. But he says tree roots compete with the vegetable roots. The veggies may not get enough nutrients and water.

And that's the VOA Special English Agriculture Report, written by Jerilyn Watson. Here are a few of your comments about last week's report on shade growing. Ko from South Korea wrote: I can't imagine plants in the shade for most of day without sunshine! That's a really creative idea.

Andy in Chile wrote: This is an interesting article. But you forget that the shadow allows the growth of the fungi. And Slava in Croatia recalled: Once I grew small tomatoes on a balcony under a roof. Sun shone there only in the afternoon. In October the plants had only a few green tomatoes. I took them inside behind the window and they had ripe fruits on Christmas and the entire winter.

If you missed our report, you can find it at www.unsv.com. I'm Bob Doughty.

网友的学习评论(12条):
作者:wonderful
i am the first one who give the comments.i am excited,nobody read this artical? a lot of knowledge inside.but it is unuseful to me.haha ,but notwithstanding thanks bob doughty.i admire u very much.
作者:zhaozhouqiao
好,与现实生活联系紧密。希望今后多一些这样的文章供英语学习爱好者听和学
作者:江湖夜雨
Both sunshine and shade is inportant to plant.
作者:lvjiaying1984
I think the triumph in vegetation depends largely on the intelligent use of the soil. It is a wrong idea to plant crops on the same land year after year and it is recommended to change the type of vegetation on the same land every several years. What promotes the harvest in agriculture also largely due to the widespread use of machines which can help people ease in their work and make them do something more creative.
作者:lvjiaying1984
Several years ago, we use cattle, donkey and some other animals to help people grow the plants. But because animals' potential is relatively small, although with the help of the animals, people get home with perspiration after a day's hard work. Only God knows the people working under the Sun which can burn the skin have to endure each time they finish one day's work. My childhood was spent in the countryside and I know better than others what the farmers have to endure each time
作者:lvjiaying1984
they gets home from the farmland. Although the condition was harsh when I was a child spending most of childhood in the countryside, I was a little fond of recalling the things happened when I was a child. One time, after we finished the work in the farmland, getting back with our family's donkey the name of which was named after her father, I tried to climb up to the donkey's back and headed home. The donkey was quite smart and faithful, she took me home without throwing me off from her back.
作者:lvjiaying1984
Nowadays the large machines have taken the place of the animals that have grown close to us through the years they have served as so faithfully. Although it is much easier to plant crops nowadays with the help of the machines, I recall the time when we used animals, because animals have become our best friends. When the animals were sold, tears welled up uncontrollably in my eyes. I knew that time that we would never see them again. They might be killed for food, because few of them contributed
作者:lvjiaying1984
something because the large machines have taken the place of them. Good or bad, it was what I knew. I still cherish the time with those hims and hers, but the period has gone. That's all.
作者:nothings
I learned the report that the shade is useful for some vagetable.And then, I want to learn this report.
作者:nothings
I think the author lvjiaying1984,you have a good childhood with some animals ,I kown that is a so great thinking of them, I also had a dog when I was a child, it became my best friend,when it leave me I was very sad,but take it easy.We have a good image and we go to study or work hard for future,and our animals will happy for we.
作者:ldccr
Good for farmers
作者:George
not everything is the more the better, most of the time, adequacy is the key point.
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