Method for rice cropping

FIELD: agriculture, in particular rice cropping.

SUBSTANCE: claimed method includes soil treatment, fertilization, seeding and irrigation regime, plant treatment in tillering period with mixture of herbicide and growth controlling agent. Treatment id carried out using mixture of bazagran M as herbicide in amount of 3 l/hectare and emystim as growth controlling agent in amount of 0.5-5 ml/hectare against the background on N60-120P90K60.

EFFECT: decreased adverse herbicide action; increased rice yield.

4 tbl, 1 ex

 

There is a method of rice cultivation (see, for example, Kalinin A.P., Aleshin, H.E., Chebotarev M.I. Agronomy journal. Rice cultivation intensive technologies. M: Rosselchozizdat, 1987. P.41-43), including tillage, fertilization, rice crops, flooding, processing of rice crops by herbicides against weeds.

The disadvantage of this method is that the application of the herbicide, in addition to the overwhelming action on weeds, has for some time a negative impact on cultivated plant (see, for example, Pankov V.I. Change photochemical activity of chloroplasts in leaves of tomato under the influence of herbicides. Reports of the Russian Academy of agricultural Sciences, 2001, No. 6, P.14-15).

In addition, it is known that the application of herbicides wide actions partially inhibit the metabolism and cultivated plants (see, for example, Isakov LI improving the safety of herbicides for cultivated plants (foreign experience) // Agricultural production: experience, problems and development trends. - 1988, No.1, P.35-44). So, for example, herbicides based on 2,4-D and many others, as a rule, have a partial toxicity and protected from weeds of cultivated plants. Given that the positive effect of herbicides are much more than their toxic negative effects, then this fact the OS is moved outside the focus of attention of consumers. However, all large corporations for the production of herbicides in recent decades working on creating antidotes (remedies) and protective (protective) compounds to reduce the toxic effects of herbicides.

There is a method of rice cultivation with the use of antidotes and herbicides (see, for example, Further studies with herbicides safeness on rice and maize. Parker C. "Brit. Crop Prot. Conf. The Weeds. Proc., Brighton, 22.25thNov., 1982. Vol.2." Croydon, 1982, 475-482), which includes seed treatment of rice anhydride (0.5% of the weight of the seeds) and Sa(O)2(30-40%); in terms of put options also spraying the soil surface or plant antidote R25788 (1 kg/ha) with application of various commercial herbicides. As a result of this treatment increased the resistance of rice to the herbicides.

The disadvantage of this method is that the application of the above antidotes requires high doses of the active substance and does not contribute to the activation of growth of morphogenetic and functional processes, only increasing the resistance of plants to stress.

There is a method of rice cultivation (see, for example, Agugua, Epicore, Nvenue. Influence of plant growth regulator of the drug Furlan on plant productivity of rice, Byull. The ARIFA. 2003. No. 118. P.63-65), we adopted as the prototype, including tillage, fertilization, planting, flooding, processing on evow at the tillering stage, herbicide basargan together with the growth regulator Furlan.

The disadvantage of this method is that at the moment in rice instead of herbicide basargan used it more effective similar basargan M, which reduces to 30-40% of the consumption of the active substance - bentazone. In addition, the used growth regulator Furlan has little impact on the yield of rice.

The objective of the proposed method is to minimize the negative effects of the herbicide on the cultivated plant, as well as increased yields.

The solution of this problem is achieved by the fact that the processing of rice crops in the tillering stage, carried out with a mixture of herbicide basargan M in a dose 3 l/ha and growth regulator Emistim at a dose of 0.5-5 ml/ha on the background of N60-120P90K60.

Emistim - liquid, derived from the products of metabolism of symbiotic fungus Acremonium lichenicola. Metabolic products contain a complex of growth substances, vitamins, amino acids, polysaccharides, and other physiologically active substances in aqueous-alcoholic solution.

Summary of the invention is illustrated by examples of implementation of the proposed method.

A specific example of the method.

The experiments were conducted on rice irrigation system rice research Institute in the period 2001-2003 as the object of research was used rice estuary, cultivated under the scheme:

1. Without processing plants (control)./p>

2. Treatment of plants with the herbicide basargan M in the recommended dose.

3. Treatment of plants with the herbicide basargan M+ growth regulator Emistim at a dose of 0.5 ml/ha

4. Treatment of plants with the herbicide basargan M+ growth regulator Emistim dose of 1 ml/ha

5. Treatment of plants with the herbicide basargan M+ growth regulator Emistim at a dose of 5 ml/ha

The effectiveness of the options was estimated on four backgrounds mineral nutrition:

1. Without application of mineral fertilizers (N0P0K0), control.

2. The introduction of N60P90To60(kg A.I/ha).

3. The introduction of N90P90To60(kg A.I/ha).

4. The introduction of N120P90To60(kg A.I/ha).

As nitrogen fertilizer used urea (46% A.I), phosphate - superphosphate simple modified by 19.5% A.I), potassium - potassium chloride (60% D.V.), which was applied to a total dose before sowing.

Herbicide basargan M in the experiments were used in the recommended manufacturer BASF dose 3 l/ha

Treatment of vegetating plants only herbicide basargan M and tank mixtures (basargan M in a dose 3 l/ha+growth regulator Emistim at a dose of 0.5-5 ml/ha) was performed in the tillering stage of rice on the background of N60-120P90K60by using a sprayer. The working solution was prepared by adding to the tank mix the herbicide growth regulator Emistim. Control the fatigue was treated with pure water, not containing regulator and herbicide.

Analysis of the features distinguishing the claimed technical solution to the prototype, as well as its effectiveness in front of him, giving this method of rice cultivation, the criterion of "novelty", presented in tables 1 and 2.

Table 1

Analysis of the characteristics of novelty
The placeholderThe claimed technical solution
1. Tillage1. The same
2. Fertilization2. The same
3. Seeding3. The same
4. Irrigation regime4. The same
5. Processing of rice crops in the tillering stage, herbicide basargan mixed with growth regulator Furlan5. Processing of rice crops in the tillering stage, a mixture of herbicide basargan M in a dose 3 l/ha and growth regulator Emistim at a dose of 0.5-5 ml/ha on the background of N60-120P90K60

Table 2

Analysis of the essential features that create a positive effect
The characteristic of the proposed technical solutionsNew properties acquired by the use of signs technical solutionsAchieved positive is the effect
Processing of rice crops in the tillering stage, a mixture of herbicide basargan M in a dose 3 l/ha and growth regulator Emistim at a dose of 0.5-5 ml/ha on the background of N60-120P90K60Stimulates the development of more powerful assimilative surface and activates the photosynthetic activity of the leaves, which is expressed through the content of plastid pigments.Reducing the negative impact of the herbicide on rice plants, as evidenced by the increase of leaf area index and increases the yield of grain.

The analysis of the obtained results indicates that the use of herbicide basargan M reduces photosynthetic activity of plants rice, expressed through the leaf area index and content in leaves of plastid pigments (table 3). The greatest decrease in the content of plastid pigments occurred in the agricultural background N0P0K0and N120P90K60and more on padobranom background. All backgrounds mineral nutrition, in addition to N120P90K60the herbicide reduced the leaf area index within -1,7...by 12,7%. All this had a negative impact on rice yield, which padobranom background decreased by 3.3% (table 4). With increasing doses of fertilizer application the negative impact of herbicide Basargan M IG who was arevalos.

Adding Emistim to basargan M not only took off the negative impact of the herbicide on the content of plastid pigments (chlorophyll and carotinoids) and leaf area index, but also increased their values compared to the control (untreated plants). The excess of leaf area index in relation to the option, which was used only herbicide, was in the background of N0P0K0to 29.8%, N60P90K60- 52,8%, N90P90K6019.3% and N120P90K60to 12.0%, which in turn led to an increase in yield of 12.7, and 6.6, 6.9 and 3.9 per cent respectively. It should also be noted that the greatest efficiency from this application was provided when using Emistim dose of 1 and 5 ml/ha on the background of N60-120P90K60.

Table 3

The effect of the proposed method on the photosynthetic activity of rice
OptionsThe content of plastid pigments, mg/DM2The leaf area index, m2/m2
Holdem. AndHoldem. Incarotenoids
N0P0Ko
Control2,370,950,57 1,42
Basargan M (3 l/ha)1,970,800,501,24
Basargan M+ Emistim (0.5 ml/ha)2,390,980,571,46
Basargan M+ Emistim (1 ml/ha)2,601,010,651,61
Basargan M+ Emistim (5 ml/ha)of 2.510,980,621,54
N60P90K60
Control2,480,950,602,60
Basargan M (3 l/ha)2,691,090,612,48
basargan M+ Emistim (0.5 ml/ha)was 2.761,110,64was 2.76
Basargan M+ Emistim (1 ml/ha)3,001,140,713,79
Basargan M+ Emistim (5 ml/ha)2,851,110,703,50
N90P90K60
Control2,651,070,634,12
Basargan M (3 l/ha)2,941,130,684,05
Bazar is n M+ Emistim (0.5 ml/ha) 2,931,130,694,27
Basargan M+ Emistim (1 ml/ha)2,991,200,71a 4.83
Basargan M+ Emistim (5 ml/ha)2,971,200,724,82
N120P90K60
Control2,991,180,695,00
Basargan M (3 l/ha)2,861,140,655,14
Basargan M+ Emistim (0.5 ml/ha)2,991,200,715,22
Basargan M+ Emistim (1 ml/ha)of 3.071,220,725,76
Basargan M+ Emistim (5 ml/ha)3,101,230,75of 5.81

Table 4

The effect of the proposed method on the yield of rice
OptionsYield, kg/haDeviations from the controlThe cost of allowances, RUB/ha
kg/ha%
N0P0K0
Control51,2---
Basargan M49,5-1,7-3,3-816
Basargan M+ Emistim (0.5 ml/ha)52,3+1,1+2,1+528
Basargan M+ Emistim (1 ml/ha)55,8+4,6+9,0+2208
Basargan M+ amistar (5 ml/ha)54,1+2,9+5,7+1392
N60P90K60
Control87,2-
Basargan M (3 l/ha)86,4-0,8-0,9-384
Basargan M+ Emistim (0.5 ml/ha)88,0+0,8+0,9+384
Basargan M+ Emistim (1 ml/ha)to 92.1+a 4.9+5,6+2352
Basargan M+ Emistim (5 ml/ha)91,5+4,3+a 4.9+2064
N90P90K60
Control94,3---
Basargan M (3 l/ha)93,9-0, -0,4-192
Basargan M+ Emistim (0.5 ml/ha)95,1+0,8+0,8+384
Basargan M+ Emistim (1 ml/ha)to 100.4+6,1+6,5+2928
Basargan M+ Emistim (5 ml/ha)100,0+5,7+6,0+2736
N120P90K60
Control102,2---
basargan M (3 l/ha)104,1+1,9+1,9+912
Basargan M+ Emistim (0.5 ml/ha)104,9+2,7+2,6+1296
Basargan M+ Emistim (1 ml/ha)to 108.2+6,0+5,9+2880
Basargan M+ Emistim (5 ml/ha)108,7+6,5+6,4+3120
NDSAnd1,6
NDSin1,8
NDSAB3,6

The method of cultivation ri is a, including tillage, fertilization, seeding and irrigation regime, processing, sowing, tillering stage of rice with a mixture of herbicide and growth regulator, characterized in that the processing of planting rice in the tillering stage, carried out with a mixture of herbicide basargan M in a dose 3 l/ha and growth regulator Emistim at a dose of 0.5-5 ml/ha on the background of N60-120P90To60.



 

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6 tbl, 1 ex

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