Method of surface watering

FIELD: agriculture.

SUBSTANCE: method includes treatment of strips of an irrigated area surface, covering of strips with a synthetic film and supply of watering water under the film. Prior to coating of irrigated area surface strips with a synthetic film, anti-helminth agents piperazin or diethyldiamine are applied on a part of the film surface. The film surface faces heads of irrigated area surface strips.

EFFECT: technology will make it possible to expand functional capabilities of watering by development of conditions to suppress pathogenic helminths in watering water.

 

The present invention relates to irrigation, and more specifically to methods of surface irrigation wastewater.

The known method of furrow irrigation by cutting irrigation furrows and supply of water in them, described in the book: Sthaviravada and other Workshop on agricultural drainage. - M.: Kolos. 1970. P.30-31.

The disadvantage of this method of irrigation is lost to evaporation from the water surface and slope of the furrow.

The closest in technical essence and purpose of the proposed technical solution is the method of surface irrigation by processing strips the surface of the irrigated plot with simultaneous coating of synthetic film, submission under the film of irrigation water that is described in patent No. 2365095. IPC A01G 25/00 (2006.01), EN published in bull. No. 24, 27.08.2009.

In the way there is no possibility of suppression in irrigation water pathogenic helminths.

The aim of the invention is to expand the functional capabilities of the irrigation system by creating conditions for suppression in irrigation water pathogenic worms.

This goal is achieved by the fact that before coating strips of the surface irrigated area synthetic film on part of the surface of the film facing the heads of the bands of the surface irrigated area, put drugs - piperazine or diethylenediamine.

For implementing the method loosened environments is their part and seal the sides of the strips of the surface irrigated area. Each band covers a synthetic film, the edges of which are buried in the soil. Before coating strips on part of the surface of the film facing the heads of the bands of the surface irrigated area, are a means of combating weeds, piperazine (diethylenediamine). Then under the film serves irrigation water. The drug is dissolved in the irrigation water and suppresses the worms.

The drug is applied to the film in the form of granules or powder encapsulated adhesive polymer hydrogels based on N-vinylpyrrolidone, polyamines, cellulose. On tape, the drug can be applied in two steps. In the first stage, on film put a layer of sticky polymer hydrogel, and then the particles of the drug. Polymer hydrogels do not have a negative impact on the quality of irrigation water, plants, soil and do not reduce the effectiveness of deworming drugs. The length of the zone of deposition of the drug in the head band take no more than 1/3 of the length of the irrigation strip. Increasing the length of the zone of application of the drug for more than 1/3 reduces the uniformity of distribution of the drug along the length of the irrigation strip. Reducing the length of the zone of application of the drug increases the complexity of setting dispensers.

The rate of the drug is set by reference to the normative literature, in accordance with the kind and amount of pathogenic helminth. To configure the feed is of Satarov the rate of the drug in units - % concentration in irrigation water are converted to units of pounds per irrigated strip. The conversion performed by the formula:n=(Mals)/1000000wherenthe rate of the drug, kg/lane;M- irrigation rate, m3/ha;and- the distance between the axes of irrigation bands, m;l- the length of the irrigation strip, m; s is the concentration of drug in irrigation water, %. For example, the concentration of piperazine in irrigation water 3% by suppression of pinworms. Irrigation rate - 1200 m3/ha. the distance between the axes of irrigation strips length 89 m is 0.6 m Feed dispensers set up by the consumption of the drug (1200890.63)/1000000, kg/lane.

The length of irrigation bands take from 75 to 120 m Simultaneously with the processing of the irrigation strip covered synthetic film, the longitudinal edges of which are buried in the soil. The edges of the film in the minds of irrigation strips fixed on the underground culverts distribution pipes. In the head irrigation lanes flow rate of 0.25 l/s served under the pressure of the water. The magnitude of the pressure is taken in the range 0.4-0.6 m of the water column (0.04-0.06 ATM). When the pressure is less than 0.4 m of water. senior dramatically reduces the speed of water moving along the length of the irrigation strip. When the pressure of more than 0.6 m of water. Art. a possible breach of synthetic films.

The width of the irrigation bands take in the range from 0.2 to 0.4 m With a width of irrigated strip less than 0.2 m increases substantially about aiternate irrigation by reducing the area of absorption of irrigation water. If the width of the irrigated strip more than 0.4 m, the formation of a misbehaving flow and water erosion of soils.

As a synthetic film is rational to apply opaque reclamation film thickness of 120-150 microns.

The proposed method of irrigation strip surface irrigated area extends the functionality of the method-analogue by applying an anthelminthic drugs, piperazine or diethylenediamine

on the part of the surface of the film facing the heads of the bands of the surface irrigated area, providing suppression of pathogenic helminths in waste irrigation water and contamination of soil.

Irrigation method, comprising processing strips the surface irrigated area, cover bands synthetic film and submission under the film of irrigation water, characterized in that the front cover bands surface irrigated area synthetic film on part of the surface of the film facing the heads of the bands of the surface irrigated area, put drugs - piperazine or diethylenediamine.



 

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EFFECT: increased efficiency and simplified construction.

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