Composite microelement fertilizer containing chlorella and paenibacillus, preparation and applications thereof

A technology of bacillus and compound micro-fertilizer, applied in the direction of organic fertilizers, can solve the problems of deterioration of soil structure, decline of soil microbial activity, reduction of soil organic matter, etc., and achieve the effects of improving the quality of agricultural products, improving disease resistance, and promoting plant growth

Inactive Publication Date: 2016-06-08
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the excessive use of chemical fertilizers and pesticides in vegetables, fruits and field crops in my country has led to an increase in nitrite and pesticide residues in vegetables, fruits, etc., which has seriously threatened people's health
At the same time, the excessive use of chemical fertilizers leads to the reduction of soil organic matter, the deterioration of soil structure, and the intensification of desertification.
Long-term overuse and dependence on chemical nitrogen fertilizers have brought huge negative impacts on agricultural production and the ecological environment
Long-term excessive application of chemical fertilizers, especially chemical nitrogen fertilizers, on the one hand, the accumulation of nitrates tends to lead to soil acidification and salinization, and the decline in soil microbial activity; Exceeding the standard of nitrate seriously endangers human health. On the other hand, it increases the risk of water pollution and has become an important factor restricting the sustainable development of agriculture.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 Preparation of compound micro-fertilizer containing Chlorella and Azotobacter

[0030] In this embodiment, the preparation of the compound micro-fertilizer containing Chlorella and Azotobacter bacillus was prepared according to the following steps:

[0031] 1) Expansion of Chlorella sp.:

[0032] ①Inoculate Chlorella sp. 34-2 in liquid medium (KH 2 PO 4 0.7g / L, K 2 HPO 4 0.3g / L, MgSO 4 0.3g / L, FeSO 4 0.1g / L, VB10.01mg / L, A5+Co + Trace element liquid 1ml / L and glucose 20g / L. A5+Co + Trace element liquid from H 3 BO 3 2.86g, ZnSO 4 ·4H 2 O0.222g, MnCl 2 ·4H 2 O1.8lg, CuSO 4 ·5H 2 O0.079g, Na2MoO 4 ·2H 2 O0.39g and Co(NO 3 ) 2 ·6H 2 O0.049g is dissolved in deionized water, and the volume is adjusted to 1000mL to prepare) and culture for 3-5 days;

[0033] ②Put the sewage obtained by diluting the farming sewage 8-10 times into the 10m×20m open-air breeding pond, and inoculate the Chlorella sp. cultivated in ① at a volume percentage of 10% inoculum. 34-2. After culturing ...

Embodiment 2

[0038] Example 2 Fertilization effect test of compound micro-fertilizer containing chlorella and nitrogen-fixing bacillus

[0039] In 2014 and 2015, in Changping District, Beijing, the compound micro-fertilizer containing Chlorella and Nitrogen-fixing Bacillus prepared in Example 1 was used at a dosage of 4 kg / mu during tomato planting. The results showed that nitrogen-fixing microorganisms were used alone Compared with the unused control, the inoculum increased the yield by 11%, and when the microalgae was used alone, the yield increased by 3.3%. The compound fertilizer (chlorella and nitrogen-fixing bacteria) increased the yield by 18.3% than the nitrogen-fixing bacteria alone, and increased the yield by 31% compared with the non-fertilizer The results are shown in Table 1, indicating that Chlorella and Azotobacter have a synergistic effect.

[0040] Table 1. Effects of different treatments on tomato yield

[0041] deal with Yield (kg / mu) (1) Control (no fertilization)3798.2 ...

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Abstract

The invention relates to the field of microbial fertilizer, and specifically relates to a composite microelement fertilizer containing chlorella and paenibacillus. The composite microelement fertilizer is prepared by mixing chlorella sp. and paenibacillus sp. together. The composite microelement fertilizer can prominently promote the growth of plants, and is capable of enhancing the disease resistant performance of plants; moreover, the using amount o f chemical fertilizer and chemical pesticide is effectively reduced, the quality of agricultural products is obviously improved, and thus the composite microelement fertilizer can be used and popularized in agricultural production.

Description

Technical field [0001] The invention relates to the field of microbial fertilizers, in particular to a compound micro-fertilizer containing chlorella and nitrogen-fixing bacillus and its preparation and application. Background technique [0002] At present, the excessive use of chemical fertilizers and pesticides in vegetables, fruits and field crops in my country has led to an increase in the residues of nitrite and pesticides in vegetables and fruits, which has seriously threatened people's health. At the same time, excessive use of chemical fertilizers causes the reduction of soil organic matter, the deterioration of soil structure, and the intensification of desertification. Long-term excessive application and dependence on chemical nitrogen fertilizers have brought huge negative effects on agricultural production and the ecological environment. Long-term excessive application of chemical fertilizers, especially chemical nitrogen fertilizers, on the one hand, the accumulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F11/08
CPCC05F11/08
Inventor 陈三凤李永斌张波
Owner CHINA AGRI UNIV
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