ASS1 Soil
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Haber process - Wikipedia, the free encyclopedia
The Haber process , also called the Haber–Bosch process , is the nitrogen fixation reaction of nitrogen gas and hydrogen gas , over an enriched iron or ruthenium catalyst , which is used to industrially produce ammonia . [ 1 ] [ 2 ] [ 3 ] [ 4 ]
Cation-Exchange Capacity
Soil particles and organic matter have negative charges on their surfaces. Mineral cations can adsorb to the negative surface charges or the inorganic and organic soil particles. Once adsorbed, these minerals are not easily lost when the soil is leached by water and they also provide a nutrient reserve available to plant roots.
adsorb (ad sôrb, -zôrb), v.t. Physical Chem. to gather (a gas, liquid, or dissolved substance) on a surface in a condensed layer: Charcoal will adsorb gases . Please note the definition above, taken from my handy dictionary, flower press, and child booster seat, the real hardbound Random House second edition unabridged. It's not absorb, it's adsorb , with a "d".
Cation Exchange Capacity in Soils, Simplified
Legume Green Manuring
History | Benefits of legume green manuring | Managing a legume green manure | Examples of legume green manuring Soil productivity is an important concern for farmers. Green manuring is gaining popularity as a method that successfully improves soil productivity.
Carbon to Nitrogen Ratio - Composting 101
All organic matter is made up of substantial amounts of carbon (C) combined with lesser amounts of nitrogen (N).Conservation tillage: the end of the plough?
Conservation tillage: the end of the plough? Farmers around the world plough their land.
Worm Bin Heater Update | Worm Composting
A couple years ago I wrote an article with pictures showing how you can make a simple worm bin heater .
Potable Water Supply - ProMinent South Africa - Desalination of brackish water and seawater
A shortage of potable water throughout the world is a major problem today. Only 0.03% of the world’s water is suitable potable water for human use. For many countries, a solution to this problem is desalination of brackish or seawater through reverse osmosis.
South Africa's available freshwater resources are already almost fully-utilised and under stress. At the projected population growth and economic development rates, it is unlikely that the projected demand on water resources in South Africa will be sustainable.
State of the Environment - South Africa: Freshwater Systems and Resources: Overview
The distinguishing characteristic of saline soils from the agricultural standpoint, is that they contain sufficient neutral soluble salts to adversely affect the growth of most crop plants.
3. SALINE SOILS AND THEIR MANAGEMENT
Tilth and Tillage - Effects of Tillage on Soil & Plant growth
9) Increase aeration helps in degradation of herbicide and pesticide residues & harmful allelopathic chemicals exuded by roots of previous crops or weeds.Carbon cycle
Vermicomposting