Has any soil scientist in Pakistan did work on Calcium:Magnesium Ratio And Cation Balance (%) like Calcium %, Magnesium %, Potassium %, Sodium % etc (Base-cation saturation ratio (BCSR) in our alkaline soils for different crops and in different regions…
A group of scientists from University of Missouri-Delta Center, USDA, and Chlorogen, Inc. teamed up to study soil water potential affects of protective antigen for anthrax produced in chloroplast transformed Petite Havana tobacco. Tobacco plants with protective antigen genes were…
Phosphorus residues accumulate in the soil when phosphorus fertilizer application exceeds its utilization by crops. Continuous use of phosphatic fertilizers in excess of crop needs thus results in a gradual increase in available phosphorus status of the soil. Buildup of…
The reactions taking place in the soil and the properties of. various phosphate materials combine to determine the effectiveness of any source of phosphorus under any set of soil and cropping conditions. The behavior of some phosphatic fertilizers is discussed…
Soil tilth is a physical condition of the soil in relation to plant growth. It is the result of combined effects of soil texture, soil structure, and soil consistence. It depends not only upon the stability of soil structure but…
The genesis of soil structure refers to the causes and methods of formation of the structural units or aggregates. Soil structure is a result of the processes of flocculation and granulation. Flocculation is the aggregation of individual particles into small…
Aridity as a factor. The formation of structure is inhibited in many areas of Pakistan. The most important limiting factor is aridity, especially from Multan southward. In these areas the moisture required for structure forma- tion is obtained mainly from…
Written and compiled by: Ahmad Mahmood, Department of Agronomy, Pir Mehr Ali Shah-Arid Agriculture University, Rawalpindi Correspondence: [email protected], Sewage: Sewage is water-carried waste, in solution or suspension that is intended to be removed from a community. Also known as…
Researchers at the University of Sheffield have discovered a parasitic mite has caused the deformed wing virus to proliferate in honey bee colonies. This association is now thought to contribute to the world-wide spread and probable death of millions of…
A basic guide to water soluble fertilizers. Including information pertaining to it’s contents and usages, as well as, how what’s on the label can differ from what’s inside. Water soluble fertilizers are fertilizers that can be dissolved in water and…
