[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(179) / 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(98) / 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(93) / 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(111) / 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(116) / 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(194) / 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(294) / 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(116) / 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(150) / 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(156) / 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(133) / 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(147) / 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(169) / 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(152) / 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(88) / 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(214) / 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(174) / 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(105) / 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(196) / 评论(0) 分类 英语听力练习题
学英语单词
acanthurus nigricauda
accessory instrument
African traditionalist
ammonium phosphate sulfate
analogical creation
Angio-Conray
anti-Markovnikov
attaching clamp
Baby Doc
bags of mystery
cafetorium
caleigh
carry - on bag
chato
combustion wave
conviction politics
cruciate ligament of leg
Cystoclonieae
damn me
Directory Information Base
double series
easternizes
Eilerts de Haan Geb.
ekezie
electromagnetic inductance seismometer
emmis
eosinophilic cystitis
Eretmochelys imbricata
explosive decompression chamber
farm production
fembitch
flabellata
Flexibacter
free acid concentration
gaussian density
government business
grandmammas
Groenendael
Gynura pseudochina
haslers
have one's head screwed on straight
hereditary macular digeneration
high-efficiency filter
inella verrucosa
institute of patent attorneys
judaeas
long poop ship
low cost housing
ludvigsen
luprops cribrifuous
mammillated
microcameras
micrometric gage
missing line
miswandering
mock-epics
Moncucco
myosalgia
Navascreen
neuromechanism
normal supply price
or wherever
pentode pentode field-effect transistor
peorine
peplomer
perceived noise decibels
pharmacogenetics
pleaze
point spectrum
premature ventricular depolarization
presuppositionless research
radium-C'
ratguard
retinervus luffae fructus
Ross, Sir David
rummers
Scurrula philippensis
shegh
sidewall of crucible
sling(hoist)
slutsky substitution effect
software purchaser
speckled celadon
Stender dish
structural geometry
strue
subtutors
swaddling-band
trailblazers
tramort
Trisetacus pini
twin-unit pack
uncontrolled variability
undelusional
unfortunacy
waffinger
washed metal
whitehair
wideband passive radar seeker
wire connection clamp