Distribution of soil texture, organic matter, nitrogen and phosphorous under farm plantations in various agro-ecological zones of Punjab, Pakistan
Distribution of soil texture, organic matter, nitrogen and phosphorous under farm plantations in various agro-ecological zones of Punjab, Pakistan
Rahim Muhammad Akmal Syed1, Hasnain Shahida2, Mamoona Wali Muhammad3 and Jabeen Farkhanda4
ABSTRACT
The immense impact of trees in the development of a country cannot be denied and over-emphasized. Pakistan has a narrow forest resource base extending over only about 4.8 % (4.59 % excluding farmland plantations) of its area, which is insufficient to provide the material needs for the growing population, expanding industry and to retard and arrest the ongoing environmental and ecological degradation process. Based on physiographic, climate and ecology, Pakistan is divided into nine major ecological or vegetative zones, which are further sub-divided into 18 habitat types, an arrangement for the development of Protected Areas System in terms of representative ecotypes. During the survey of farm plantations, about 400 soil samples were collected and their physical and chemical analysis was conducted for the comparison of the four agro ecological zones of the Punjab Province of Pakistan with regards to agroforestry. A comparison of the characteristics of soils taken from various farm plantations necessitated a prior evaluation of their a prior evaluation of their particle size, pH, organic matter and other soluble ions as well as their composition in order to ascertain whether the soils were texturally along with nitrogen and phosphorous in order to ascertain whether the soils were similar or not. In case of agroforestry, the type of soil is one of the major factors for the classification of different suitable species of plants. The results of the soil analysis of various agro ecological zones and the consequent recommendation of the associated suitable species, aids the agrofarmers to pick out the best possible option.
Key words: Soil Analysis, Agro-ecological Zones, Farm Plantations, Soil Texture and Organic Matter, Nitrogen and Phosphorous.
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June 2009
Vol. 59, Iss. 2
