单词:given nitrogen rich organic matter in soil
单词:given nitrogen rich organic matter in soil 相关文章
AGRICULTURE REPORT - Don't Know Much About Mulch?By George Grow Broadcast: Tuesday, January 24, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Mulch is important to farmers. M
Agriculture Report - Friends With Benefits, in the Plant World This is the VOA Special English Agriculture Report. Companion planting is the idea that some kinds of plants can help each other grow. Plants that are compatible together generally have s
Podcast is sponsored from the people of American Chemistry, who provide the plastics, medicines, and innovations that make life modern. Learn more at americanchemistry. com. This is Scientific American's 60-Second Science, Im Karen Hopkin. This will
Lightning Helps Fertilize The Soil Our bodies need protein, and proteins contain nitrogen. The air we breathe has plenty of nitrogen to satisfy our needs. Butthat nitrogen is not available to us directly from the air. The only way we can get nitrogen
AGRICULTURE REPORT - Bird Flu: Composting the Remains of Farm BirdsBy Mario Ritter Broadcast: Tuesday, February 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers usuall
AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants
By Mario Ritter Broadcast: September 9, 2003 This is Steve Ember with the VOA Special English Agriculture Report. For many people, growing crops on a small piece of land is not a business. For them, a
It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T
[00:05.49]Reading [00:08.36]A PIONEER FOR ALL PEOPLE [00:12.43]He wants everyone to call him a farmer,for that's how he regards himself. [00:19.28]Although he is one of China's most famous scientists, [00:24.45]Yuan Longping works the land to do his
AGRICULTURE REPORT – June 25, 2002: Organic Farming Study By George Grow (Photo -Scott Bauer) This is the VOA Special English Agriculture Report. Agricultural scientists in Switzerland have demonstr
Agriculture Report - Using Charcoal to Make Soil Into Black Gold Scientists show a way to improve soil quality with ''biochar.'' Transcript of radio broadcast: 05 May 2008 This is the VOA Special English Agriculture Report. The dense Amazon rainfore
This is the VOA Special English Agriculture Report. Spreading mulch Mulch is important to farmers. Mulch is a protective cover of material that is spread on top of soil. It is usually made out of organic material, like crop waste. Farmers may keep t
This is the VOA Special English Agriculture Report. Companion planting is the idea that when some crops are planted together, they help each other grow. These compatible plants generally have similar needs for nutrients, soil and moisture. Advice fo
This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts
AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a
Agriculture Report - Friends With Benefits, in the Plant World 农业报道 - 植物世界的互惠互利 From VOA Learning English, This is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Companion plantin
AGRICULTURE REPORT - Raising Sheep By Bob Bowen Broadcast: Tuesday, March 08, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Graphic Image If you have a few hectares of land, it
AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im
AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th
Listen to the dialogues and fill in T for True, F for False. 英语对话1 A:Does this plant need a lot of sunlight? B:Yes, it's a dessert plant. 英语对话2 A:Should this plant be watered everyday? B:No. twice a week will be enough. 英语对话3