[肥料] 合成有机氮肥

> 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(185) / 评论(0) 分类 自然探索

This is the VOA Special English Agriculture Report. Fertilizer use differs from country to country, and from too little to too much. Nitrogen and phosphorus can produce big crops. But they can also pollute water and air. A recent policy discussion i

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 VOA慢速英语2009年(七)月

Agriculture Report - The Limits to Organic Farming in Feeding the World This is the VOA Special English Agriculture Report. Organic farming avoids the use of chemical pesticides and manmade fertilizers. Supporters say organic farming is better for th

发表于:2018-12-16 / 阅读(96) / 评论(0) 分类 2012年VOA慢速英语(五)月

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

发表于:2018-12-31 / 阅读(117) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 2006年慢速英语(二)月

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

发表于:2019-01-02 / 阅读(194) / 评论(0) 分类 VOA2003(下)-农业与经济

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(196) / 评论(0) 分类 VOA2003(下)-农业与经济

[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) 分类 高中英语人教版必修

Next Step After Carbon: Knowing Your Nitrogen Footprint This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of o

发表于:2019-01-10 / 阅读(123) / 评论(0) 分类 2011年VOA慢速英语(四)月

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

发表于:2019-01-11 / 阅读(152) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Agriculture Report - The Limits to Organic Farming in Feeding the World This is the VOA Special English Agriculture Report. Organic farming avoids the use of chemical pesticides and manmade fertilizers. Supporters say organic farming is better for th

发表于:2019-01-12 / 阅读(160) / 评论(0) 分类 2012年VOA慢速英语(六)月

ROBERT SIEGEL, HOST: A lot of companies have promised to do their part to reduce their releases of greenhouse gases that are trapping heat and giving the planet a fever. Among them are big food companies, including the biggest American grocer, Walmar

发表于:2019-01-16 / 阅读(136) / 评论(0) 分类 2017年NPR美国国家公共电台8月

How did you find this wreck? 你是如何发现残骸的 Saw the beamer get hit and fly off, figured it was trying to regroup with its forces, 眼看激光飞船被击中后飞速逃离,我猜他们一定是想重组兵力 so I followed the course

发表于:2019-01-29 / 阅读(149) / 评论(0) 分类 陨落星辰第二季

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(172) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT — November 26, 2002: Corn, Part 1 By Mario Ritter This is the VOA Special English Agriculture Report. Corn is an important crop in many parts of the world. However, some people ar

发表于:2019-01-30 / 阅读(156) / 评论(0) 分类 农业与发展

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

发表于:2019-01-30 / 阅读(91) / 评论(0) 分类 农业与发展

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(218) / 评论(0) 分类 农业与发展

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

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 农业与发展

By Mike O'Sullivan Los Angeles 17 April 2008 Two American scientists, James Galloway and Harold Mooney, have won this year's Tyler Prize for environmental achievement. VOA's Mike O'Sullivan spoke with the winners about their work, and about the state

发表于:2019-01-31 / 阅读(109) / 评论(0) 分类 VOA常速英语2008年(四月)

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(198) / 评论(0) 分类 英语听力练习题
学英语单词
Acrocheilus
affiliated trademark
alkali solution
badger-hair softener
beam component
bimerous
Brabham, Sir John Arthur
bullivant
burn ward
business premise
butane-propane gas
California Institute of Technology
cleft nose
clinocephaly
colchicoresin
compendial
complete chemical analysis
cranial tinnitus
day trippers
deferred repairs
detects
direct-writing recorder
entom.,entomol.
equilibrative
etymologise
external database
fiercened
find command
fluctuation spread
foresters
Fortezza
gear with jaw
handle setting spring
Harmsworth Cup
hottingmask
in trust (for)
instant-check
jacques yves costeaus
joint weld
kneelers
kocks
kuchiki
kumiz
laser pulses
locking bracket
long range navigation loran
manouri
marble mosaic
menhadden
mertenyl
modern Gothic style
neighbouress
neurofibroma of vulva
night ditching
non charitable
nonviolet
Ophtamedine
oval arch
overimagining
palmodic
parlour tricks
Phospherus
Pracana, Barragem de
prime couple
pristinamycin
purchase process
rape myth
renal aplasia
resting wandering cell
rigoberto
roger you
ruggeroes
sapphire quartz
scan electron microscope
school clinic
scissor-bills
sea eryngiums
second-order digit
separated space
shizoku
side-winding
simplicial
skew-bevel gearing
special industrial building
St-Didier-en-Velay
strike tally
super-civilization
sympathetic nervous center
system of distinct representatives (sdr)
take your point
teichopsia
telthermometer
the soil
tops-of-the-line
toys with
traffic interference
two-way bowl vent
twopoint breaker
u-Taiwan
ultrafiltration system
working cloth
worm and wormwheel