. ^ ^^ m ^E| f^*^ » ^"'^ -» .^ w^m. j^^^ , m .;:â â â â â - _ '"J-- ';''' - J^H 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 co
. ^ ^^ m ^E| f^*^ » ^"'^ -» .^ w^m. j^^^ , m .;:â â â â â - _ '"J-- ';''' - J^H 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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Keywords: ., bookcentury1900, booksubjectagriculturalpests, booksubjectplantd
