describe the balance :a fight forward
Answers
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Approximately 1.5 × 109 ha of land is cropped, mainly with food crops (FAO,
2000). Even though we are losing land in parts of many countries, more isbrought under cultivation, and the total area of cultivated land is increasingslowly. However, more productive land may have been irreversibly lost inthe past 104 years than is currently being cropped (Rozanov and colleagues,cited in Scherr, 1999). Ponting (1991) points at the decline of major civiliza-tions, e.g. the Sumerians in southern Mesopotamia, among others, due tounsustainable land and water management. Humanity appears to be slowlyconsuming the natural resource of ‘land’. Even though this process has beenongoing for millennia, it cannot continue much longer since most land andwater reserves are nearly fully engaged.
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