The Last Ring-bearer - Kirill Yeskov [4]
Tzerlag decided then that nothing could help the generals; to hell with them and this war! Enough of this, guys – we shall learn war no more! Thank the One, they had made it out of that damned forest, where you can't even get a bearing in cloudy weather and every scratch begins to rot immediately, so now, home in the desert, we'll be fine. In his dreams the sergeant was already at the familiar Teshgol camp, which was now only one good night's march away. He pictured clearly to himself how he would unhurriedly determine what needs fixing, then they'd be invited to the table, and after the second mug the hostess would casually steer the conversation to the difficulties of maintaining a household without a man around, while the grimy-faced youngsters (there's four of them there, or was it five?) would be circling around and clamoring to touch his weapons… The other thought he had while drifting off to sleep was: wouldn't it be nice to find out who the hell wanted this war, and meet him in a dark corner somewhere…
No, seriously – who wanted it?
Chapter 3
Middle Earth, the arid belt
A natural history brief
Two types of climate epochs follow one another in the history of any world, including Middle Earth – pluvial and arid; the growth and shrinking of polar ice caps follow a single rhythm, which is a sort of a pulse of a planet. Those natural cycles are concealed from the eyes of historians and scalds by the kaleidoscopic variety of peoples and cultures, although it is those very changes that largely create this kaleidoscope. Climate change can play a larger role in the history of a people, or even a civilization, than the deeds of great reformers or a devastating invasion. Well, in Middle Earth the Third Age was drawing to a close together with a pluvial climate epoch. The paths of moisture-laden cyclones kept bending towards the poles, and the trade wind belts, covering the thirties' latitudes in both hemispheres, were rapidly turning to deserts. Not that long before the Mordor plains had been a savannah, while real forests of juniper and cypress covered the slopes of Orodruin; now the desert was relentlessly encroaching upon the dry steppes hugging the foot of the mountain ranges, consuming acre after acre. The snow line in the Ash Mountains kept creeping higher, and the streams feeding the oasis of Gorgoroth more and more resembled a child dying from some unknown disease. Had the local civilization been a bit more primitive and the country poorer, that is how it would have continued; the process would have taken centuries, and something always comes up over such stretches of time. However, Mordor was powerful beyond measure, so the powers-that-be decided not to "seek mercy from nature," but rather to set up an extensive irrigation system, using the tributaries of the Sea of Núrnen.
An explanation is in order here. Irrigation agriculture in arid regions is very productive, but has to be conducted with utmost care. The problem is high salinity of the groundwater; the main challenge is to avoid bringing it up to the surface, God forbid, or it will salt the topsoil. This is precisely what will happen if your irrigation dumps too much water on the fields and the soil capillaries fill up enough to connect the groundwater to the surface. Capillary forces and surface evaporation will immediately begin pumping that water up to the surface (exactly like oil going up the wick of a lit lamp), and this process is irreversible; in a blink of an eye your field will turn into a lifeless salt pan. The saddest part is that once you screw up, there is no way to push that salt back down.
There are two ways to avoid this calamity. One is to water very sparingly, so that the water in the shallow capillaries does not connect with the groundwater. Another possibility is the so-called flushing cycle, whereby you cause a regular flooding that carries the constantly upwelling salt away to the sea or some other terminal drain. This, however,