Weather conditions in the southwestern United States are variable and influence crop
growing periods with late spring and early fall frosts which significantly impact cropping …

Adequate management of N supply, plant density, row spacing, and soil cover has proved
useful for increasing grain yields and/or grain yield stability of rainfed crops over the years …

Abstract Over three continuous years (2013–2015) of high-yield experiments, maize hybrid
DH618 was grown at densities of 12.0 and 13.5× 10 4 plants ha− 1 at Qitai Farm (89° 34 …

Diffuse radiation generally increases photosynthetic rates if total radiation is kept constant.
Different hypotheses have been proposed to explain this enhancement of photosynthesis …

Photosynthesis is a major trait of interest for development of high-yield crop plants. However,
little is known about the effects of high-density planting on photosynthetic responses at the …

The potential grain yield of maize increased tremendously from the 1980s to 2010s, as did
the optimal plant density. However, cultivars were always bred in different environments …

Increasing planting density is an important practice associated with increases in maize yield,
but densely planted maize can suffer from poor light conditions. In our two-year field …

Background The fraction of intercepted photosynthetically active radiation (fPARi) is typically
described with a non-linear function of leaf area index (LAI) and k, the light extinction …

Nitrogen fertilizer application is an important measure to obtain high and stable corn yield,
and the moisture content of corn grains is an important factor affecting the quality of …

Continuous and accurate ground measurements of the fraction of absorbed (fAPAR) or
intercepted (fIPAR) photosynthetically active radiation by green canopy components is …