SOIL
THE GENERAL ASSUMPTION:
The abundant of rich habitats come from fertile soil!
WRONG!
Tropical rainforests grow in nutrient-poor soil which is only two to three inches deep.
THEN WHY?
The roots of many plants spread over large areas quickly capture nutrients released by decaying plant and animal matter before the nutrients can be leached from the soil.
THEREFORE!
Mor
Ⅰ. 개요
토양에는 미생물이 서식하고 있어 이들의 호흡과 뿌리의 호흡에 의해서 발생되는 이산화탄소는 대기 중으로, 산소는 토양 중으로 확산된다. 작물재배·잔디·정원 토양의 바람직한 상분포는 고체상 45 %, 유기물 5 %, 물과 공기는 각각 25 % 정도가 좋다. 모든 자연토양이 이와 같은 분포율을 나
soiled is hardly consolation for having it shaved off! In line 24 the boy's words are an expression of a childlike trust that the poet, with more experience of the world, knows to be unfounded: the poem, in fact, is a protest against the harm that society causes its children by exploiting them for labor of this kind. In each case the dramatic irony arises from the poet's knowing more or seeing mo
soil 10.8
Chemical substances&fertilizer 17.8
Machines, Cars 0.9
Only 22.7% .
(3) 하천 지리학
Removing too much abundant nutrition matters will be help to make healthy river. (부영양화 방지 – 단어 설명 추가)
Flood and draught can be settled by controlling water quantity using reservoir and water gates (nothing to do with NIXON?!).
We may t
1. Introduction
Ammonia (NH3) is one of the most familiar compounds of nitrogen and hydrogen as well as one of the world's most valuable industrial and agricultural chemicals. Ammonia is used throughout the industrial world as a valuable fertilizer.
Ammonia and its compounds, primarily ammonium nitrate and other ammonium salts, replenish nitrogen in depleted soils. This greatly increases y