Ways of improving the soil-protection and water-conservation effect of the montane forests of Soviet Central Asia.Botman, K S
Name any one method by which water helps in the formaton of soil. 01:13 What is ozone hole ? Where was it first located ? 02:07 "The conservation of water is necesaary , even though there are vast r... 01:56 Main cause of soil erosion is ...
Describe how there are different ways to produce energy (electric, mechanical, and so on) and how this leads to pollution of the environment. (a) Briefly explain how conservation tillage methods differ from conventional tillage. (b) How do they reduce erosion? (c) How are they ab...
terraces(梯田)on the slope of hillside and mountainside.When the slope of a hillside is cut into"step",water carrying soil can not run straight down the terraces,which are used to slow down the speed of the flowing water containing much soil in it.In this way most of the soil in the ...
When soil is taken away by flowing water or blowing winds we call it soil erosion. Ways have been found to stop soil erosion, and this is known as soil conservation. One way of stopping soil erosion is to grow small plants such as grass. These plants are referred to a cover crops, ...
Ways have been found to stop soil erosion and this is known as soil conservation. One way of stopping soil erosion is to grow small plants such as grass. These plants are referred to a cover crops whose roots hold the soil tightly together. The rain water can not wash away the soil. ...
(a) Briefly explain how conservation tillage methods differ from conventional tillage. (b) How do they reduce erosion? (c) How are they able to help conserve water and energy? (d) Why do they lead to increased use of pesticides? What are the causes of soil erosion and how do they affe...
Soil pollution Soil is polluted by: ● Excess fertilisers ● Overuse of pesticides ● Chemicals from waste dumps and factories. ● What are pesticides and fertilisers? Waste Management Waste management is how we deal with our waste. There are three mains ways deal with waste. ● Landfill sites...
Boasting large swathes of rainforest and vibrant local wildlife, Malaysia’s beautiful island region of Sarawak is fast becoming a prime destination for travellers seeking adventure.
Some studies on herbs, for example, found no trace of these bacteria in hydroponic samples, while their soil-grown equivalents weren't always so clean (18). Water Wisdom: But here’s the flip side: water itself can be a highway for other microbes if things aren't kept clean. If ...