Fig. 1. (A) Daily rainfall, temporal trends in (B) soil water content and (C) soil root-lesion nematode (RLN) numbers at Exp. A, and temporal trends in (D) soil water content and (E) soil RLN numbers (back-transformed means) at Exp. B. Within a site and year, the natural logarithms of nematode counts in soil followed by the same lowercase letter are not significantly different (P 
0.05) from one another, and values in the same row followed by the same uppercase letter are not significantly different (P 0.05) from one another as determined by the protected LSD test. Exp. A 1999: Rye rotation without fumigation (rye-NF): y = 1977.95 + 52.550x - 1.1281x2 + 0.00525x3, R2 = 0.31; rye rotation with fumigation (rye-F): y = 429.18 + 83.892x - 1.4978x2 + 0.00679x3, R2 = 0.85; Canadian Grain Pearl Millet Hybrid 1 (CGPMH-1): y = 653.74 + 39.365x - 0.7758x2 + 0.003618x3, R2 = 0.51; Canadian Forage Pearl Millet Hybrid 101 (CFPM 101): y = 804.43 + 37.035x - 0.9167x2 + 0.004549x3, R2 = 0.76; Marigold: y = 930.98 + 85.627x - 1.5449x2 + 0.00639x3, R2 = 0.61. Exp. B 1999: Rye-NF: y = 1615.10 - 57.235x + 0.5022x2, R2 = 0.58; Rye-F: y = 1205.90 - 20.220x + 0.2080x2, R2 = 0.46; Canadian Forage Sorghum Hybrid 17 (CFSH-17): y = 1581.53 - 32.622x + 0.2419x2, R2 = 0.59; CFPM 101: y = 1050.99 - 23.343x + 0.1719x2, R2 = 0.47; Marigold: y = 1900.26 - 35.200x + 0.2043x2, R2 = 0.34.