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Fertilizer Industry

SOIL SAMPLING-AN INDEX TO SOIL FERTILITY

SOIL SAMPLING-AN INDEX TO SOIL FERTILITY (Muhammad Tayyab*, Muhammad Nasir, Hafiz Muhammad Arslan Abid, Sajjad Manzoor) University of Agriculture Faisalabad *agrariantayyab@gmail.com   A soil sample consists of different sub soil samples which are collected from different locations and depths of the same having same crops history and other management practices. …

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Significance of Soil pH

                                          Significance of Soil pH Soil pH It is defined as the -ve log of the hydrogen ion activity of a soil. pH       =          – log (H+) pH                        1     (H+) Where (H+) represents the hydrogen ion activity in mol L-1. The pH scale is the logarithm to …

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Basic Processes of Soil Formation

                               Basic Processes of Soil Formation During soil formation, the unconsolidated weathered material under goes many changes. These changes are brought about by variations in the four-basic soil forming processes. These four basic processes often referred as soil forming or Pedogenic processes. They are responsible of soil formation under all …

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What is weathering?

Soil Formation Soil is formed from parent materials which is formed by weathering of rocks. Different weathering processes are discussed here. WEATHERING Weathering is a process in which different physical and chemical changes are produced in rocks at or near the earth’s surface by atmospheric agents. There are two basic …

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BIOLOGICAL NITROGEN FIXATION

BIOLOGICAL NITROGEN FIXATION Although the atmosphere contains a vast reservoir of molecular nitrogen (N2) that is about 79%of the air, however, it is not directly available for use by higher plants. Before assimilation can occur, it must be converted to a so-called fixed form, either by oxidation to NO3 or …

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BIOCHEMICAL TRANSFORMATIONS OF Phosphorus

         Phosphorus Phosphorus is critical to all life forms because of the role it plays in many important biomolecules such as DNA (deoxyribonucleic acid), phospholipids, and ATP (adenosine triphosphate). The primary mineral form of phosphorus is rock phosphate, or apatite. The amount of total phosphorus found in a surface soil …

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Multiple Cropping and Soil Productivity

Multiple Cropping and Soil Productivity Muhammad Waseem Abbas, Shakeel Ahmad Anjum, Nadeem Akbar, Iftikhr Ali, Nazer Manzoor, Abdul Shakoor, Muhammad Mahmood Iqbal, Ali Usman, Muhammad Bilal Agro-Biology Laboratory, Department of Agronomy, University of Agriculture, Faisalabad, Pakistan, 38040. Multiple cropping and soil productivity are closely related to each other. In many …

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Salinity is a serious problem affecting irrigated agriculture

 Salinity is a serious problem affecting irrigated agriculture. Improper irrigation practices and lack of drainage have generally led to accumulation of salts in the soil in concentrations, which are harmful to crops Muhammad Mohsin Raza1,Malik Muhammad yousaf1,Samiullah2,Mumtaz Hussain 1,Muhammad zeshan1, jhangir shah1,Qazi Bashir Ahamad1, Usman Ali 1,Hammad Fayyaz1,Hafiz Muhammad Bilal3,Ahsan …

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Advantages of bio fertilizers

Bio fertilizers Bio fertilizers include the chemical which in turn make full use of bacteria for you to fertile your land. These kinds of fertilizers are certainly not unhealthy for plant life as well as various other plant life much like the compound fertilizers. These are truly removed from the …

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