They are using gun irrigators one can be seen between the two...

They are using gun irrigators one can be seen between the two lakes in one of the the photos, a bit of urea would soon green up the fields .
But point taken on the yellow , having a bunch of stock looking to be camped permanently near the milking shed and leaving their crap in a concentrated area indicates very poor pasture and soil management the antitheses of rotational grazing .
Calves look healthy
Nice big rotary cowshed with 50 bails wonder what the 3 year milk solids production is and how much feed is bought in .