Potato growth studies: Air and soil temperatures compared in Kern County potato fields during spring and early summer
AuthorO. A. Lorenz
Author AffiliationsO. A. Lorenz is Associate Professor of Truck Crops, University of California College of Agriculture, Davis.
Hilgardia 5(11):13-14. DOI:10.3733/ca.v005n11p13. November 1951.
Soil temperatures in Kern County potato fields average from 60° F to 70° F at 6” depth, with foliage cooling the soil about 8° F, and irrigation some 4° F.
Lorenz O. 1951. Potato growth studies: Air and soil temperatures compared in Kern County potato fields during spring and early summer. Hilgardia 5(11):13-14. DOI:10.3733/ca.v005n11p13
Also in this issue:Revolving finance plans: Farmer co-operatives in California have adopted many variations of the revolving finance idea
Determination of organic acids: Chromatography several times as sensitive as standard method in detecting acids in wine, juices, plant extracts
Orange yield and fruit size: Long-term experiments test the effects of organic matter in covercrops and manure on trees in southern California
Boysenberry fertilization: Yield, fruit size, quality improved by nitrogen but not phosphorus or potash applications in Fresno County test
Pear pulp and pear molasses: Nutritional value for cattle and palatability to sheep tested in feeding trials with commercial products
Stink bug on pears: Habits of pest studied to find a control program which may include sprays, clean culture, host plant eradication
Research in orchard management: Investigates horticultural, management and environment problems for citrus, avocado, figs and other subtropical fruit trees
Cartons for lemon shipments: Open-top and sealed boxes of corrugated paper compared with standard boxes US to costs and fruit delivery
Poultry breeding: Long-term selection studies aim at breaking through the ceiling limiting further improvement of economic traits
Methods for determining the solidity of cabbage heads