Abstract
Tobacco is an important economic crop with high economic value. At present, China’s tobacco planting area and total output ranks first in the world, and the tobacco industry plays an important role in China’s economic development. Based on the above background, the purpose of this study was to study the effects of cake fertilizer and humic acid on soil nutrients and growth of Flue-cured Tobacco under VR vision. The effects of humic acid fertilizer and cake fertilizer on the growth, nitrogen, phosphorus, potassium content, nicotine content and chemical composition of flue-cured tobacco were studied by using randomized block test method with no fertilization as blank control. The causes of improving yield and quality of flue-cured tobacco were discussed, The results showed that humic acid and cake fertilizer improved the dry matter quality of root, stem, lower leaves and middle leaves of flue-cured tobacco, which were 22.69%, 16.52%, 27.25%, 15.44% and 41.50% higher than those of conventional fertilization, respectively. It showed that humic acid fertilizer increased the biomass of Flue-cured tobacco, provided material basis for the improvement of yield and quality, and promoted dry matter accumulation of various organs.
Highlights
Virtual reality technology (VR) is developed on the basis of computer graphics technology, computer display technology, human-computer interaction technology, computer vision and other disciplines
The results showed that the interaction of humic acid and nitrogen fertilizer promoted the root activity of flue-cured tobacco, and the improvement range of humic acid nitrogen
In the era of digital media, VR technology was applied to study the effects of cake fertilizer and humic acid on soil nutrients and flue-cured tobacco growth, so as to enrich the theoretical system of VR interaction
Summary
Virtual reality technology (VR) is developed on the basis of computer graphics technology, computer display technology, human-computer interaction technology, computer vision and other disciplines. As a kind of pollution-free green fertilizer, humic acid has been paid more and more attention to improve the yield and quality of agricultural products. It has good application in onion, wheat, sweet potato, mango, cucumber and other crops. Using bagasse and tobacco stem (waste tobacco) as the main raw materials, Jesh studied the effects of different Cake Fertilizers on fermentation and organic fertilizer quality. The effects of different levels of humic acid and nitrogen fertilizer interaction on dry matter accumulation, root activity, nitrogen absorption and accumulation, soil aggregates, soil available nutrients, soil enzyme activities, conventional chemical components of flue-cured tobacco leaves, petroleum ether extract and neutral aroma components were studied
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