Sampling and statistical analysis

Also in this issue:

The race between education and doomsday

Cotton response to growth regulator Pix

Increasing farm water supply by conservation

What is conservation?

Fungicides for late blight in tomato

Dairy cow corral behavior

Managing phytophthora root rot in cauliflower

Cage-bird research at Davis

Tydeid mites in vineyards

Lettuce efficiency in using fertilizer nitrogen

Thresholds and sampling for aphids in strawberries

Systemic nematicide tested on greenhouse roses

An ecological study of the spider mite Oligonychus punicae (Hirst) and its natural enemies