Table 1: Crop sequences in the studied production systems and mean annual rainfall.

Years from the beginningWGWWWLAnnual rainfall (mm)

0
1Grass/oatWheatWheat683.7
2WheatWheatWheat998.1
3Grass/oatWheatWheat965
4WheatWheatRed clover611.9
5GrassWheatRed clover781.8
6WheatWheatRed clover647.1
7GrassWheatWheat697.1
8WheatWheatWheat612
9GrassWheatWheat1194.7
10WheatWheatRed clover1108.3
11GrassWheatRed clover678.9
12WheatWheatRed clover641.6

Wheat (Triticum aestivum); red clover (Trifolium repens).