نتایج جستجو برای: intra row spacing
تعداد نتایج: 136823 فیلتر نتایج به سال:
Existing plows do not provide high-quality tillage between rows of orchards and vineyards. The purpose the study is to develop justify parameters plow for cultivating soil gardens tractors class 0.9 kN. A design scheme a single-body smooth, rowless plowing garden aisles has been developed. proposed consists movable fixed frame, disc knife, screw body with hostage. research uses laws agricultura...
In the context of precision viticulture, remote sensing in the optical domain offers a potential way to map crop structure characteristics, such as vegetation cover fraction, row orientation or leaf area index, that are later used in decision support tools. A method based on the RGB color model imagery acquired with an unmanned aerial vehicle (UAV) is proposed to describe the vineyard 3D macro-...
To evaluate the effect of deficit irrigation and within row spacing on grain yield and yield components of grain sorghum promising lines, an experiment was conducted as split plot-factorial arrangement in randomized complete block design with three replications in 2015 and 2016 at the research field of Seed and Plant Improvement Institute, Karaj, Iran. Main plots consisted of three irrigation r...
Key planting factors that influence corn stand establishment includes uniform depth and spacing of seed, correct seed population and optimizing the soil environment for rapid germination and uniform emergence. Other variables affecting stand establishment are seedbed quality (including soil moisture and temperature), seed quality and planter speed. Differences among fields for stand establishme...
Image processing algorithms for individual corn plant and plant stem center identification were developed. These algorithms were applied to mosaicked crop row image for automatically measuring corn plant spacing at early growth stages. These algorithms utilized multiple sources of information for corn plant detection and plant center location estimation including plant color, plant morphologica...
manual planting of sugar-beet stecklings is a very laborious and time-consuming opera-tion. to overcome the problems, and decrease the cost of operation to a reasonable level, a semi-automatic steckling transplanter was designed. the suitability of the steckling trans-planter with regard to the agrotechnical requirements of sugar-beet stecklings was stud-ied and the main field performance param...
Knowledge of the effects of row spacings and seeding rates on dual-purpose forage and seed production of an annual legume crop is essential for its proper agronomical exploitation. In this study, the effects of various row spacings and seeding rates on dry matter and seed yield in berseem clover (Trifolium alexandrinum L.) were evaluated in two consecutive years. The experimental design was a s...
The purpose of this paper is to introduce a new technique for row spacing measurement in a wire array using giant magnetoresistive (GMR) sensor. The self-rectifying property of the GMR-based probes leads to accurately detection of the magnetic field fluctuations caused by surface-breaking cracks in conductive materials, shape-induced magnetic anisotropy, etc. The ability to manufacture probes h...
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