1.   And while the drought so far has stuck most heavily at wheat and cattle, it will affect other crops, including cotton and corn, if it continues.

2.   Biotechnology companies have engineered plants that are resistant to herbicides, making it possible to immerse a field in poisons that kill the weeds without affecting the crop.

3.   But the biggest fear is that the cold caused plant damage that could affect future crops.

4.   El Nino is also affecting other crops.

5.   Sustained dry weather in November and December and beyond may affect crops further forward, Nicholas at GNI said.

6.   The cold, combined with a lack of precipitation this winter, should severely affect the crops, traders said.

7.   The upstate was spared severe early spring weather that could have adversely affected the crop, Eubanks said.

8.   Traders will also be keeping a close eye on Brazil, where the onset of winter weather in June could affect coffee crops.

9.   Plantation crops are affected by pollution and soil erosion, low water availability and quality, and soil chemical imbalance.

10.   But farmers complained that the diversion of water from irrigation canals was affecting their crops.