ABSTRACT A resilient US dairy industry will be underpinned by forage and crop production
systems that are economically, environmentally, and socially sustainable. Land use for …

Interest from the US commercial aviation industry and commitments established by the US
Navy and Air Force to use renewable fuels has spurred interest in identifying and …

Abstract Maize (Zea Mays L.) yield responsiveness to nitrogen (N) fertilization depends on
the yield under non-limiting N supply as well as on the inherent productivity under zero N …

Identification of critical nitrogen (N) application rate can provide management supports for
ensuring grain yield and reducing amount of nitrate leaching to ground water. A five-year …

Abstract Development of predictive algorithms accounting for uncertainty in processes
underpinning the maize (Zea mays L.) yield response to nitrogen (N) are needed in order to …

Abstract Alfalfa (Medicago sativa L.)–maize (Zea mays L.) rotation is an important cropping
practice to improve crop production and soil fertility, but the effects of the alfalfa stand age on …

Organic wastes (OW) are rich in nutrients, and their recycling into agriculture can substitute
chemical fertilizers. The level of substitution (partial with mineral fertilizer or exclusive with …

A field experiment was conducted to understand whether non-formalized monocultures of
maize could be substituted by the rotations with common bean on smallholder farms. This …

Phosphorus (P) is one of the essential nutrients for alfalfa (Medicago sativa L.) growth, but P
deficiency in soil is a common phenomenon. Applying an appropriate amount of P fertilizer …

Current fertilizer N guidelines in the midwestern and northeastern United States may not
adequately account for variable N supply to corn (Zea mays L.) grown after alfalfa (Medicago …