PROPOSED SYSTEM OF LAND PASTURE CLASSIFICATION  IN IRAQ

	PROPOSED SYSTEM OF LAND PASTURE CLASSIFICATION IN IRAQ
AL-TAQANI
Article 1, Volume 22, Issue 1, 2009, Pages 0-0
Abstract
The study which was held, depended on number of parameters expressed of land’s features to establish a system of Land Pasture Classification, and values were limited of these used parameters which land at this stage or after began to suffer from problems. The used parameters were put in two group, first one is main limiters includes some feature can not be reclaimed by actual methods as soil depth, degree of slop, gravels and stones, texture class and gypsum and calcite content. In second group include limiters which can treat them by inexpensive means from effort, time and cost side as salt content, normal fertilization and drainage level and abundant water case, and all mentioned parameters measured only soil thickness between (0-50cm). Classification system includes four classification levels (C1,C2, C3, C4) depending on limiters which every land pasture class suffers from it according to above limiters. Class (1) is the land state which may suffer from one or two minor limiters, as shortage in nurturance elements or salinization, and in Class (2) is on the lands which suffer from main problem as least with secondary problem, so the secondary estimation represents as a level underclass. Class (3) represents lands which suffer from more than one main problem in addition to other secondary problems which to be obstacle in production process. Class (4) represents lands state which doesn’t suitable for pasture purposes because of the huge number of main and minor problem which also don’t fit to animal production purposes.

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