Diseases of truck crops Diseases of truck crops / Ralph E. Smith diseasesoftruckc119smit Year: 1940 22 California Agricultural Extension Service [Cir. ii9 tural lands. Wash water should not be run onto clean land. In small areas of land that are already infested, it may be possible to eradicate the fun- gus by saturating the surface of such spots with formalin, 1 pound to 121/2 gallons of water at the rate of 1 gallon or more for each square foot. m E| f* » '' -» . wm. j , m .;:â â â â â - _ ''J-- ';''' - JH m \-m 1 1 ''B 1 |;. « In â . 1 m- m''- Js / â M f t â -' ' J Kk. 'i3 Kik:'
Diseases of truck crops Diseases of truck crops / Ralph E. Smith diseasesoftruckc119smit Year: 1940 22 California Agricultural Extension Service [Cir. ii9 tural lands. Wash water should not be run onto clean land. In small areas of land that are already infested, it may be possible to eradicate the fun- gus by saturating the surface of such spots with formalin, 1 pound to 121/2 gallons of water at the rate of 1 gallon or more for each square foot. m E| f* » '' -» . wm. j , m .;:â â â â â - _ ''J-- ';''' - JH m \-m 1 1 ''B 1 |;. « In â . 1 m- m''- Js / â M f t â -' ' J Kk. 'i3 Kik:' .a |H ma m m m aw 9 Fig. 10.âWet root rot of sugar beet. Where there is too much land infested for this to be practical, nothing can be done except to use cropping methods. Badly infested soil may be kept fallow and clean of vegetation for one or more years, or may be planted to alfalfa or some nearly immune crop such as asparagus, or to winter crops such as peas, lettuce, or spinach, winter cereals, or corn. Car- rots, beans, potatoes, and lettuce for seed are susceptible. By examining
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