Limited water resources restrict winter wheat grain yield and quality in the Huang-Huai-Hai Plain of North China, and establishing optimal planting patterns according to crop water requirements is the key factor for achieving rational water use. In this paper, 4 planting patterns were applied, namely, uniform row (30 cm; traditional pattern), wide (40 cm)-narrow (20 cm) row, furrow (double line...

The objective of the study was to evaluate performance a vacuum single-seed planter in field conditions optimize some operating parameters maize production. Three forward speed tractor (4.0, 5.4 and 7.9 km h-1) five target seed spacing (102, 147, 195, 247 309 mm) were evaluated by examining mean spacing, coefficient precision miss index, multiple quality feed sowing depth, deviation from row (i...

A field study was conducted on sandy clay loam soil to evaluate the impact of row spacing and N application method on the productivity of maize (Zea mays L.). The experiment was conducted using four row spacings (60 cm spaced single rows, 90 cm spaced double row strips, 90 cm spaced single rows and 135 cm spaced double row strips) and two methods of nitrogen (N) application (broadcast and band ...

The objective was to evaluate the epicotyl length of seedlings soybean cultivars in field, submitted plant densification by reducing inter-row spacing. Two field experiments were conducted Rio Paranaíba state Minas Gerais and effect reduced spacing (20 cm, 30 40 cm 50 between rows) evaluated. assessment done using a millimeter ruler when plants reached V2 development stage. randomized block des...

Cultural weed control practices such as narrow row spacing can be a key component of successful management. Experiments were conducted in the Kansas River Valley to evaluate interactions herbicide programs and corn spacings on grain yield. There no differences at site with low density. However, high Palmer amaranth density, Resicore applied 15- 30-inch rows Bicep + Acuron 15-inch resulted great...

In a vision-based automatic agricultural vehicle guidance system for row-crop applications, finding guidance information from crop row structure is the key in achieving accurate control of the vehicle. This paper describes a robust procedure to obtain a guidance directrix. The procedure includes row segmentation by K-means clustering algorithm, row detection by a moment algorithm, and guidance ...