测定土壤的有机磷方法

VOA慢速英语20060124a

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

发表于:2018-12-07 / 阅读(124) / 评论(0)

2006年慢速英语（一）月

有机农业的诸多优点

> 19 有机农业的诸多优点 DATE=5-8-01 TITLE=AGRICULTURE REPORT - Organic Apple Study BYLINE=George Grow （Start at 59

发表于:2018-12-07 / 阅读(186) / 评论(0)

自然探索

AGRICULTURE REPORT - Soil Conservation Methods

AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from

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农业与发展

SSS 2008-07-30

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

发表于:2018-12-24 / 阅读(127) / 评论(0)

Scientific American(七)月

60秒科学:有机食品好处多

In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports 通过对用有机方式培育的草莓和用传统方式培育的草莓进

发表于:2019-01-02 / 阅读(154) / 评论(0)

60秒科学

Agroecology, Part 2

By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This

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VOA2003（下）-农业与经济

Home Gardens, Part 1

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

发表于:2019-01-04 / 阅读(201) / 评论(0)

VOA2003（下）-农业与经济

SSS 2009-11-16

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

发表于:2019-01-08 / 阅读(138) / 评论(0)

Scientific American(十一)月

高中英语人教版必修4 02

[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

发表于:2019-01-10 / 阅读(296) / 评论(0)

高中英语人教版必修

AGRICULTURE REPORT - Organic Farming Study

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

发表于:2019-01-11 / 阅读(121) / 评论(0)

农业与发展

VOA慢速英语 2008 0506a

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

发表于:2019-01-11 / 阅读(110) / 评论(0)

VOA慢速英语2008年（五）月

VOA慢速英语-Agriculture Report - Much About Mulch

Why mulching is one of the best things to do for plants. Transcript of radio broadcast: 14 July 2008 This is the VOA Special English Agriculture Report. Mulch is spread in a city park in Atlanta, Georgia Mulch is important to farmers. Mulch is a pro

发表于:2019-01-11 / 阅读(140) / 评论(0)

VOA慢速英语2008年（七）月

VOA慢速英语2009-Agriculture Report - Home Gardening: What to

This is the VOA Special English Agriculture Report. Soil naturally contains harmless amounts of lead, along with other metals. Because of pollution, however, the amounts are higher the closer you get to cities and towns. But experts say this should

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VOA慢速英语2009年（六）月

VOA慢速英语 2007 0403a

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

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VOA慢速英语2007年（四）月

VOA慢速英语 2007 0605a

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

发表于:2019-01-11 / 阅读(151) / 评论(0)

VOA慢速英语2007年（六）月

VOA慢速英语 2007 1113a

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

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VOA慢速英语2007年（十一）月

AGRICULTURE REPORT - Mulch

AGRICULTURE REPORT - September 3, 2002: Mulch By George Grow This is Bill White with the VOA Special English AGRICULTURE REPORT. Mulching is one of the best things people can do for their plants. Mulc

发表于:2019-01-30 / 阅读(172) / 评论(0)

农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil

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

发表于:2019-01-30 / 阅读(219) / 评论(0)

农业与发展

环球英语 — 142：World Health Day: Farming Methods

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I read of climate c

发表于:2019-02-14 / 阅读(124) / 评论(0)

环球英语 Spotlight

Lesson 85-2 At the Underwater World 在水底世界

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

发表于:2019-02-17 / 阅读(201) / 评论(0)

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