Method for measuring crude protein content in Phalaris arundinacea by using near infrared spectrum
A near-infrared spectroscopy and crude protein technology is applied in the field of detecting the crude protein content of A. chinensis, which can solve the problems of long measurement period, cumbersome steps, harm, etc., and achieve the effects of shortening the test period, improving the analysis efficiency, and having broad application prospects.
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[0032] The method utilizing near-infrared spectroscopy to measure the crude protein content of Asparagus, comprising the following steps:
[0033] (1) Collection of representative and extensive calibration samples
[0034] Calibration samples from 5 varieties (lines), 7 fertilization gradients, 8 cultivation row spacings, 6 growth years, 10 growth periods, 3 drying methods, 2 cutting times and 4 different parts were collected A total of 454 parts were dried to constant weight, crushed and passed through a 40-mesh sieve, and stored in ziplock bags for future use.
[0035] 5 varieties (strains) including Chuancaoyin No. 3 Lilygrass, Z0603, Z0604, Z0605, Z0607;
[0036] 7 fertilization gradients include 5, 10, 15, 20, 25, 30, 35 kg / mu compound fertilizer;
[0037] 8 kinds of cultivation row spacing including 30, 50, 70, 90, 100, 200, 300, 400cm;
[0038] 6 kinds of growth years include 1, 2, 3, 4, 5, and 6-year-old weeds;
[0039] 10 growth stages include tillering stage, joi...
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