yield physiological traits mungbean dust competition spray volume sterile oat organosilicon surfactant nozzle size effective dose weed management medicinal plants logistic model gompertz equation critical period for weed compe relative potential dose-response controlled release spatial distribution population distribution indice jujube pests jujube lace bug vitamin b salivary glands phenylalanine biological parameters stem pitting seedling yellows race ngs quick decline citrus phoma narcissi pathogenic fungus narcissus
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