Friday, August 26, 2011

អ្នក​ដំា​បន្លែ​ជោគជ័យ​ក្នុង​ខេត្ត​ស្វាយរៀង​ ចង់​ឃើញ​កម្ពុជា​ឈប់នាំ​ចូល​បន្លែ​ពី​ក្រៅ​ស្រុក​

បទយកការណ៍របស់​​ អ៊ឹម ណាវិនពីខេត្ត​​ស្វាយរៀង
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យ៉ាង​​តិច​កសិករ​ចំនួន​៩០០​គ្រួសារ​រស់​នៅ​ក្នុង​ខេត្ត​ស្វាយរៀង​កំពុង​ផ្លាស់ប្តូរ​ជីវភាព​រស់​នៅ​ប្រសើរ​ឡើង​​ តាម​រយះ​ការ​ដំា​បន្លែ​ធម្មជាតិ​លក់។​ កសិករ​ដែល​ធ្លាប់តែ​ធ្វើ​ចំណាក​ស្រុក​​ស្វែង​រក​​ការ​ងារ​​ចិញ្ចឹម​​ជី​វិ​ត​​ ពេលនេះ​ឈប់​ពនេចរ​ស្រុក​គេ​ទៀត​ហើយ។​ ដោយ​មាន​​ការ​​ជួយ​​​ជ្រុំ​ជ្រែង​​​ពី​​អង្គ​កា​​រ​​ជ​ប៉ុន​​ចំនួន​​ពីរ កសិករ​​នៅ​​ក្នុង​​ខេត្ត​​ស្វាយរៀង​​ទំាង​​៩០០​គ្រួសារ​ កំពុង​​ប្រឹង​​ប្រែ​​ង​​​​​ដំា​​​បន្លែ​​គ្មាន​​​សារ​ធាតុ​​គីមី​​លក់​​យ៉ាង​​​កាក់​កប ​ក្នុង​​ខណៈ​​កសិករ​​ខ្មែរ​​ច្រើន​​ទៀត​ មិន​​ខ្វល់​​​ពី​​កា​​​​រ​​​ដំា​​​​ដុះ​​​បន្លែ​។​ កសិករ​ទទួល​ជោគជ័យ​​ក្នុង​​ការ​ដំា​បន្លែ​លក់ ​ចង់​ឃើញ​កសិករ​ខ្មែរ​ដំា​បន្លែ​លក់​​ឲ្យ​ខ្មែរ​​ហូប​​បាន​​គ្រប់​គ្រាន់​ប្រសើរ​​ជាង​ការ​ទទួល​ទាន​បន្លែ​នាំ​ចូល។

Tuesday, August 2, 2011

Gardening: Vegetables Made in the Shade

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This is the VOA Special English Agriculture Report.

Not all vegetables need lots of sunshine. Mark Hoffman and his wife, Guia, own a bed-and-breakfast guesthouse in rural Kempton, Illinois. They often serve their guests produce fresh from the garden.

The Hoffmans have been growing food and flowers for twenty-five years. For almost ten of those years, Mr. Hoffman has been experimenting and working with shade plantings. He says visitors to his website -- greenhousebed.com -- often ask how to plant in shade spaces.

MARK HOFFMAN: “The bottom line here is that most plants will produce more in full sun. But if you do not have full sun, there are other options.”

For example, he grows tomatoes near oak trees. Oak trees can produce a lot of shade. But Mr. Hoffman says his tomato plants grow as long as they get five hours a day of direct sunshine, especially morning sun.

Not only does this go against the traditional advice that tomatoes need six, eight, even twelve hours a day of full sun. It also shows how plants and tree roots can share nutrients and water.

Mr. Hoffman also planted asparagus around a tree at its drip line, the area below the outer limit of the branches.

MARK HOFFMAN: “Now the asparagus is in partial shade. It has been there for six years now and is doing wonderfully. It is right at the drip line of the tree. So when it rains, all the rain drips down right on the asparagus.”

The Hoffmans' website includes a list of vegetables, flowers and herbs that have produced acceptably for them in partial shade. Besides tomatoes and asparagus, these include broccoli, daylilies, horseradish, Irish potatoes, oregano and winter onions.

Mr. Hoffman says plants with wider leaves seem to do better in shady environments. He also found that his potatoes did better in partial shade than in full sun.

Moving them out of the sun helped control an insect problem with leaf hoppers. Mr. Hoffman does not use pesticides. Instead, he planted the potatoes at the drip line, especially on the east side of the tree.
The potatoes get morning sun, but they are shaded during the hottest part of the day. Leaf hoppers dislike shade, and the hottest part of the day is when they do the worst of their damage.

Time of day. Brightness of the sun. Shadows from trees, walls and buildings. These all influence how much sunlight falls, or does not fall, on plants. And extension agent Curtis Swift at Colorado State University says people interested in shade planting should also remember something else. The term "shade" can describe different amounts of darkness. He says it can even mean different things in different parts of the world.

And that’s the VOA Special English Agriculture Report, written by Jerilyn Watson.  I’m Bob Doughty.

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