单词:water-soluble phosphate fertilizer
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[00:00.00]UNIT3 [00:15.09]Gardening [00:17.29]One of the quiet joys [00:18.71]of life in the southern part [00:20.57]of Ontario, Canada, is gardening. [00:23.31]Whether pursued as a hobby [00:25.71]or solely to improve [00:27.25]the esthetic value of
GardeningOne of the quiet joys of Gardening One of the quiet joys of life in the southern part of Ontario, Canada, is gardening. Whether pursued as a hobby or solely to improve the esthetic value of one's home, the pleasure derived is only exceeded b
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
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
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
AGRICULTURE REPORT - Poplar Trees as Pollution Fighters By Mario Ritter Broadcast: Tuesday, August 10, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Poplar trees can be cut
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
By Mario Ritter Broadcast: September 23, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Today we finish our series on home gardens. One of the hardest parts can be caring fo
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
13 May 2002, 14:14 UTC AGRICULTURE REPORT – May 14, 2002: Wood Chips Protect Waterways By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientists are developing ways to l
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
This is the VOA Special English Agriculture Report. For some people, the road to immediate satisfaction is laid with sod. A piece of sod has grass on the top and soil on the bottom. It can provide thick green grass without the work or wait required
India's Farmers Changing What and How They Grow 印度农民改良农作物种植方式 Scientists have long warned that rising temperatures, also known as climate change, can affect agriculture around the world. Some scientists are now teaching farm
On this hot summer afternoon outside Brattleboro Vermont, farmer Dean Hamilton has fired up his tractor and is fertilizing his hay filled with urine. It takes a bit of time to get used to the idea, says environmental engineer Nancy Love. Ive been sur
AGRICULTURE REPORT - Building a Rooftop Vegetable Garden By Bob Bowen Broadcast: Tuesday, September 21, 2004 This is Gwen Outen with the VOA Special English Agriculture Report. Who says people need la
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
Ohio Lake Erie, the smallest of North Americas five Great Lakes, supplies fresh drinking water to an estimated 11 million people in Ohio, Michigan and southern Ontario province, Canada. Yet sometimes pollution, both from industrial waste and farm-che
The Minister for the Environment, Dr Nick Smith, said today that the government will spend money on controlling our fresh water and will make some important laws. New Zealand is number 3 in the world for the amount of water per person. We have many r