Method of moisture reduction of corn grain when harvesting

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agriculture, namely to the technology of corn harvesting for grain. In the method of moisture reduction of corn grain when harvesting 8-10 days prior to panicle appearance the spraying of crops is provided with the mixture of Brexile-zinc and para-aminobenzoic acid in a ratio of 1:1, which is dissolved in water per hectare rate.

EFFECT: method enables to obtain grain with optimum moisture content when harvesting, reduction of the cost of agricultural receiving, final drying of grain, reduction of the growing season and saving the environment.

1 tbl, 1 ex

 

The invention relates to agriculture, namely the technology of harvesting corn.

There is a method in which to reduce the moisture grain corn dried on the vine by removing the upper part of the stem and flag leaf above the top of the cob during humidity 38-45%, and the lower parts of stalks with ears removed during the grain moisture content is not more than 16% (patent 2108023 from 10.04.1998, MRK A01D 91/04).

However, the known method is costly as it requires removal of the upper parts of plants, check the moisture content of the grain before making the cut, which reduces the efficiency of the method.

There is also known a method where used defoliants for drying harvested crops (A.S. 1561230, A01N 57/24, 1988).

High dose of defoliant contaminates the environment and increases the toxicity of Agroecosystems.

The closest technical solution is a technique in which the use para-aminobenzoic acid (PABK) and when ripe, 50-60% of a mixture of defoliants in half dose (patent No. 2267925 from 20.01.2006,).

The disadvantage of the prototype is that the defoliants are toxic to soil microflora. In addition, two-time processing of crops (when ripe 20-30% 50-60% of cases) increases the cost of implementation of the method.

The technical result is reduced costs and pollution of the physical environment.

The method of reducing the moisture content of corn at harvest, involving the spraying of corn crops in a phase of formation of generative organs for 8-10 days before panicle mixture Brexil-zinc and para-aminobenzoic acid in the ratio of 1:1, which is dissolved in water on a hectare norm.

The method is as follows.

Brexil-zinc (10%) contains 8% of microgranules, it is soluble in water pH (1% water solution) is 3.5. In this environment, PABK soluble. Both components are highly synergistic action.

From field crops is greatest demand for zinc is corn. Zinc affects the processes of fertilization of plants and development of the embryo, enhances cell division.

Zinc is part of carbonic anhydrase and carboxylase, involved in the process of plant respiration. He activates enolase, under the action of which leads to the formation of phosphate compounds. Zinc is part and activates oxaloacetic dehydrogenase responsible for the formation of pyruvic acid, which is essential for metabolism in the plant organism.

The synergy of 2 components: Brexil-Zn and PABK explained by the participation of zinc metabolism with the stimulator and activator of growth, which is PABK. Their joint action is determined eno is the principal content of auxin, the main growth driver.

Zinc is actively involved in the synthesis of chlorophyll. This is especially important in the formation of generative organs, when zinc affects the bond strength of chlorophyll with protein-lipid carrier. An important role zinc plays in the process of fertilization. The combined effect of zinc and PABK affects the flow and content of mineral nutrition and metabolism.

PABK - one of the leading factors in stress protection of plants and microorganisms in the corn. PABK - the precursor of folic acid, is involved in the synthesis of purines, which are part of nucleic acids.

Through this synergy of components fertilization and maturation of corn cobs is reduced for a few days, allowing harvesting to reduce the moisture content of the grain. However the quality is much higher than in the control (without fertilization).

Treatment of crops with a mixture PABK and Brexil-zinc provides an increase in the intensity of photosynthesis, has a positive effect on the overall metabolism of plants. Under the action of a mixture shorter vegetation period. By feeding PABK mixed with Brexil-zinc reduces the toxic load on the maize agro-ecosystem. The amplification process of photosynthesis and General metabolism contributes to a more intensive flow of water and thereby reduces humidity the ears.

The parameters of the method (8-10 days before panicle) is explained by the joint action of 2 components to the formation of the generative organs, as Brexil-zinc is not recommended for use on formed fruit formation.

Example

On the corn double interstrain hybrid Krasnodar 385 MB for 8-10 days before panicle (on the basis of the drawing of the main shoot and the development 9-10 sheet, after 50-55 days after sowing) was sprayed crops with a mixture of Braxil-zinc and para-aminobenzoic acid in 150 g of each component. Pre para-aminobenzoic acid was dissolved in Braxil-zinc, since the latter acidic environment (pH of 3.5). Then the mixture of the two components were dissolved in water at the rate of 300 l/ha and sprayed crops cultivated crops.

The results of the experiments are summarized in table.

Options experienceThe number of daysThe moisture content of the grain at harvest, (%)
from germination to emergence of paniclesfrom germination to flowering paniclesfrom flowering to ripening grain
Without spraying Brexil-zinc (control)64-65 72-732825
Spraying Brexil-zinc for 8-10 days before panicle60-6267-692219
Spraying of crops PABK58-6070-722622
The mixture Brexil-zinc + PABK (proposed)50-5560-641916
Spraying a mixture of Braxil-zinc + PABK in the phase of emergence of panicles56-5870-722520

Therefore, the method allows to reduce the cost of reduced grain moisture at harvest, preserve the environment, without the use of chemicals, reduce the vegetation period.

The method of reducing the moisture content of corn at harvest, involving the spraying of corn crops in a phase of formation of generative organs for 8-10 days before panicle mixture Brexil-zinc and para-aminobenzoic acid in the ratio of 1:1, which is astonaut in the water on a hectare norm.



 

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