the ground cover rice production system with the same covering film as the GCRPSsat and with near saturation until the rice-regreening stage and at approximately 80% of the GCRPSsat management for the reminder of the season; −N , no synthetic nitrogen fertilizer application; +N, ...
Follow my methods in the "How to Find Test Equipment Bargains" guide and pick up a cheap spectrum analyzer such as a 'pocket RF explorer' or perhaps a USB spectrum analyzer dongle. These won't have great performance, sensitivity or amplitude accuracy and will probably lack some of the RBW...
The test lab will scan the frequency band of interest and look for emissions that are close to the limits. Using a process called 'maximization' (described below), the test lab focuses in on each of these emissions, and quantifies the amplitude of the field strength. Class A digital devic...
Sulphur was initially used for urea coating as it is cheap, has fungicidal properties, is biodegradable, and also acts as a secondary plant nutrient which may promoting the development for crop15,16. However, the sulphur coating shell is fragile and can be ineffective at controlling nutrition ...
(Grandy et al.2006; Kaiser et al.1996). The quality of a calculated flux was calculated flux was adequately assessed using the goodness of fit test and/or by visual inspection; plateauing of gas concentration over time, and data that failed to meet the linearity standards were rejected (...
The predictions based on FTIR spectra of milk samples, on the contrary, could be obtainable on all samples analyzed during milk recording on the entire recorded dairy cattle population at every test date with the only additional cost the calibration equations and their periodic maintenance. The ...
The ISO 8178 standard engine test procedure was used to do linked tests for engine emissions and performance, and these were based on short-term tests by a full factorial experiment based on the complete randomized block design. In this study, each experiment was performed with four repetitions....