Based on the theory of ecological crop nutrient deficiency and compensation effect. the nitrogen (N) deficiency at tillering stage and N compensation at young panicle differentiation stage in rice (Oryza sativa L. ) was selected to study. Four N treatments were treated. https://www.ealisboa.com/deal-find-Orca-Vape-x-Suicide-Mods-Stubby-MTL-Conversion-Kit-huge-savings/