据报道，近日，美国农业和生物工程师学会（ASABE）发布了由三部分组成的标准系列中的第二个标准，有关植物生长和发育的LED光辐射测量。ANSI/ASABE S642，即用于植物生长和发育的LED产品的测量和测试推荐方法。具体描述了如何度量和测试LED封装、阵列、模组、LED灯以及其他LED光辐射元件等。在此之前，ASABE发表了该系列的第一个标准ANSI/ASABE S640，主要是关于植物（光合生物）电磁辐射的数量和单位，定义及描述了植物生长和发育的测量标准。由于植物使用与人类非常不同的光，因此需要从熟悉的流明和烛光米中获得不同的单位。此外，第三个标准将聚焦园艺照明LED系统的性能标准。
Below is a current listing of the standards completed or withdrawn since the publication of the current ASABE Standards CD-Rom/Flash Drive 2018. The updated CD/Flash Drive publication is available in late spring of each year.For information on ISO activities, contact the assigned ASABE Administrator found here.Projects approved:
X639.2, Safety Standard for Large Row-Crop Flail Mowers
X20383, Tractors and machinery for agriculture and forestry - Speed Identfication Sign (SIS)
X431.4, 2000-RPM Front and Mid PTO for Lawn and Garden Ride-on Tractors
X620.1, Safety of Anhydrous Ammonia Application Equipment
X619.1, Safety for Tractor-Mounted Boom-Type Post Hole Diggers
X583.2, Safety for Agricultural Front End Loaders
X606, Properties and Relationships for Distillers Dried Grains with Solubles (DDGS) (Press release PDF)X631, Machine Vision Method of Forage or Biomass Particle Size and Size Distribution (Press release PDF)
New standards approved since the last publication:
ASABE S573 OCT2018Procedures for Evaluating Variable-Rate Granular Material Application Accuracy (Press release PDF)
ANSI/ASABE S647 OCT2018Seed Cotton Module Identification System (Press release PDF)
ANSI/ASABE S642 SEP2018Recommended Methods for Measurement and Testing of LED Products for Plant Growth and Development (Press Release PDF)
ANSI/ASABE S624 AUG2018Grain Bin Access Design Safety (Press Release PDF)
ANSI/ASABE S632-1 JUN2018Precision Agriculture Irrigation Language: Core Concepts, Processes, and Objects (Press release PDF)
ANSI/ASABE S632-3 JUN2018Precision Agriculture Irrigation Language: Irrigation System Operations (Press release PDF)
ANSI/ASABE S641 MAY2018Droplet Size Classification of Aerial Application Nozzles (Press release PDF)
Revisions since the last publication:
ANSI/ASABE S602.3 OCT2018General Safety Standard for Agricultural Tractors in Scraper Application (Press Release PDF)
ASAE/ISO 5687:2018 OCT2018Equipment for harvesting - Combine harvesters - Determination and designation of grain tank capacity and unloading device performance (Press Release PDF)
ANSI/ASABE S604.2 OCT2018Safety for Power Take-off (PTO), PTO Drive Shafts, and Power Input Connection (PIC) for Agricultural Field Equipment
ASABE S591.1 APR2018Procedure for Measuring Point Trip Force and Maximum Trip Height of Tillage Shank Assemblies (Press Release PDF)
ASAE S341.5 MAY2018Procedure for Measuring Distribution Uniformity and Calibrating Granular Broadcast Spreaders (Press release PDF)
ASAE S487.1 MAY2018Moisture Measurement - Tobacco
ASAE EP415.3 JUN2018Safety Color Code for Educational and Training Laboratories
ANSI/ASABE S613-3.1 JUN2018Tractors and self-propelled machinery for agriculture — Air quality systems tractor for cabs — Part 3: Filters for environmental cab HVAC systems (Press Release PDF)
ASAE S324.2 JUL2018Volumetric Capacity of Open-Top Manure Spreaders - Dual Rating Method (Press Release PDF)
ANSI/ASAE S572.2 JUL2018Spray Nozzle Classification by Droplet Spectra
ANSI/ASABE S625.1 JUL2018Drawbar Pin Dimensions and Requirements for Towing Machine with Clevis(Press Release PDF)
ANSI/ASAE S315.5 AUG2018Agricultural Baling Twine for Automatic Balers (Press release PDF)
ANSI/ASAE S354.7 SEP2018Safety for Farmstead Equipment
Withdrawals since the last publication:ANSI/ASAE S493.1, Guarding for Agricultural Equipment