Mineral source culture medium and preparation method thereof
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A technology for cultivation substrates and minerals, applied in the agricultural field, can solve problems such as burning seedlings, and achieve the effects of good ventilation and water permeability, reasonable configuration and easy implementation.
Inactive Publication Date: 2018-03-23
YUNNAN PHOSPHATE CHEM GROUP CORP
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[0005] The Chinese patent application number 02132595.2 discloses the use of peat moss and natural minerals to produce plant growth substrates without disease and weeds. It is composed of natural minerals and organic materials such as pumice, sandstone, perlite and vermiculite, and added a certain amount available nutrients, there is a risk of burning seedlings
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Embodiment 1
[0019] The preparation of mineral source cultivation substrate of the present invention, concrete steps are as follows:
[0020] Taking the preparation of 10L mineral source matrix as an example, the single components of coconut peat, peat soil, perlite, humic acid, yellow phosphorus slag (coarse) and phosphorus tailings are in order according to the volume ratio of 4:2:2:1:0.5:0.5 Mix, and select the Miracle.Gro nutrient soil that is sold well in the market and has a good cultivation effect as a control (CK).
[0021] (1) Take 4L coconut peat; soak the coconut peat pieces in water, dry them in the air until the water content reaches below 20%, and crush them to 0-6mm.
[0022] (2) Measure 2L of peat soil;
[0023] (3) Measure 2L perlite; (large particle size, rinse the dust with running water, and place it in a ventilated place to dry)
[0033] The mineral source cultivation substrate prepared in Example 1 was used in the cultivation experiment of Chinese cabbage, and at the same time, Miracle.Gro nutrient soil was selected as the control (CK). The substrate humidity is adjusted to 80% of the water holding capacity in the field, try to select pakchoi seeds of the same size (weighing method), use 10% H 2 o 2 The solution was soaked for 30 minutes for disinfection, and then rinsed repeatedly with deionized water after treatment, dried and sowed. 40 days after planting, the plant height, leaf area, SPAD and fresh weight of the pakchoi were measured.
[0034] It can be seen from Table 2 that the plant height, leaf area, SPAD and fresh weight of pakchoi treated with mineral source matrix increased by 12.3%, 16.7%, 19.46% and 12.7% compared with the control. Miracle.Gro nutrient soil is a mainstream matrix product in the market, and its product quality has been widely praised. The effect of the mineral source matr...
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Abstract
The invention discloses a mineral source culture medium and a preparation method thereof. The mineral source culture medium comprises organic host materials (coco coir, peat soil and humic acid), inorganic mineral materials (yellow phosphorus slag, phosphate tailings and perlite), controlled release fertilizer and the like which are adopted as main ingredients. The mineral source culture medium isprepared from, by volume, 40% of coco coir, 30% of peat soil, 20% of perlite, 10% of humic acid, 5% of yellow phosphorus slag, 5% of phosphate tailings and 2g/L controlled release fertilizer (14-14-14). The organic matter host material and the inorganic host material can mutually make up the deficiency of the physical and chemical properties of a single medium, and the physical and chemical properties of the culture medium are improved. According to the organic and inorganic composite medium, the deficiency of the single medium can be overcome, the solid waste yellow phosphorus slag and phosphate tailings generated in the phosphorite processing process can be fully utilized, meanwhile, the use amount of the peat soil in the culture medium is reduced, the production cost of the culture medium is reduced, and obvious economic benefits and environmental ecological benefits are achieved.
Description
technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to a mineral source cultivation substrate. Background technique [0002] With the rapid development of agriculture, soil problems in facility agriculture are becoming more and more prominent, mainly reflected in soil compaction and acidification, soil nutrient imbalance, soil secondary salinization, accumulation of autotoxic products in soil, imbalance of soil microbial flora, soil Root-knot nematodes are a serious threat. The cultivation substrate is a growth medium that can provide plants with a stable and coordinated structure of water, air and fertilizer. It plays a pivotal role in facility agriculture. It has the advantages of improving agricultural economic benefits, reducing soil pollution, improving the quality of agricultural products, and increasing land utilization and output. [0003] Yellow phosphorus slag is the industrial waste discharged during the ...
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