Chicory-endive hybridized: Isolation necessary to prevent production of undesired hybrids by the two species

Also in this issue:

Cotton quotas and allotments: Probable re-establishment of controls in 1954 expected to cause major adjustments in crop production pattern

Poultry grading: State grading system for meat poultry could improve marketing

Harvest practices: Sevillano olive growers may affect yields and returns by management

Fertilizer placement: Citrus production compared in between-rows, under-tree broadcast

Vein enation in citrus leaves: Virus found to be responsible for vein swelling and protuberances in citrus leaves

2, 4, 5 -T sprays on stone fruit: Tests reveal possible advantages of early fruit maturity as well as danger of injury to trees

Tramp iron in chopped hay: Electronic device detects and removes bits of iron from chopped hay pneumatically conveyed at high speeds

Reseeding dry range: Seedings of annual and perennial legumes and grasses successful

Fire stimulated germination: Effect of burning on germination of brush seed investigated in physiological study of chamise

The clover root nematode: New pest discovered in Camarillo district is apparently destructive to clover and may become important pest

Fresh tomatoes at retail: Consumer packaged and bulk tomatoes bought in Berkeley studied for comparison of quality and price

The use of arsenical compounds in the control of deep-rooted perennial weeds