re: No pecans this year?

Natives (little pecans) don't always adhere to the alternate bearing rule, they will usually make a decent crop annually, but sometimes won't make any. Most improved cultivars (big pecans) are bad to alternate bear but will sometimes make a few even on an "off" year. Pre-shaking a heavy crop before maturity, to reduce the crop load in an "on" year can help to reduce alternate bearing. Fertilization also helps.