Minimum tillage for cotton

Also in this issue:

Effects of predators on control of pear psylla

Effects of sulfur on five annual grassland species

A progress report: Redesigning pear trees for mechanical harvesting

Lygus bug control during flowering in dry lima beans

Phosphorus - deficiency - induced dormancy symptoms in alfalfa

Precision tillage for cotton beneficial on coarse-textured soils, but not on clay

Ventura county survey finds little avocado root rot

Soil moisture affects photosynthesis

Astringency of fruit and fruit products in relation to leucoanthocyanin content

Chemical fallow aids perennial grass establishment

Herbicidal properties of oils