Three-dimensional sampling method applicable to root system research
A root system and three-dimensional technology, applied in the direction of sampling devices, etc., can solve the problem of not being able to truly reflect the distribution of roots in drip irrigation cotton fields
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[0020] Under the site conditions with drip irrigation or micro-irrigation or sprinkler irrigation facilities, with the planting method of cotton plant + drip irrigation belt + cotton plant, the row spacing of the cotton plants is 22 cm, and the empty belt row spacing of the cotton rows is 45 cm; Drip irrigation belts are arranged in the row belt and plastic film is laid. The width of the plastic film is 115cm; under the condition of maintaining moisture, three-dimensional sampling is carried out on the growing plants at the seedling stage, bud stage, flowering and boll stage, boll stage, and boll opening stage. Soil moisture control: 60% at the seedling stage; 60% at the bud stage; 75% at the flowering and boll stage; 60% at the boll stage;
[0021] Sampling of the whole plant: Select two adjacent cotton plants (i.e., one inside and one outside) located on one side of the drip irrigation belt in the plastic film for sampling, and the selected plants are 60cm in length, 45cm in ...
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