Van-type no-tillage improved high-yield cultivation method of cold mud field

A cultivation method and mud field technology are applied in the field of van-type no-tillage improvement and high-yield cultivation in cold mud fields, which can solve the problems of soaring prices, difficulty in promotion and application, high labor intensity, etc., so as to improve yield, promote tillering of rice, and increase the temperature of topsoil layer. Effect

Inactive Publication Date: 2013-01-09
INST OF SOIL FERTILIZER SICHUAN ACAD OF AGRI SCI +1
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Problems solved by technology

Manual ridges are labor-intensive. Generally, it takes two or three times to complete the ridges. After transplanting the seedlings, it is necessary to clear the ditch and support the ridges 1 or 2 times, which is lab

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  • Van-type no-tillage improved high-yield cultivation method of cold mud field

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[0015] Example

[0016] This example takes the shallow hilly winter paddy field in the southeastern part of the Sichuan Basin as an example: take the mud surface of the original flat field as the open box, the width of the box is 3m, and the length of 8m; the channel 4 is 30cm wide and 20cm deep, and the drain 5 is 30cm wide and deep. 30cm. Spread the ditching mud evenly along the length of the box on the entire surface of the box. Depending on the soil quality, it can be repeated 2-3 times to ensure that the surface of the box is 15-20cm above the water surface. Rice planting specifications are planted in wide and narrow rows, that is, 20cm narrow rows and 50cm wide rows. Conventional fertilization is used, and 100kg / mu silicon-calcium fertilizer is added as a modifier.

[0017] Through the field experiment, the box-type no-tillage rice yielded 568.62kg per mu, 1000-grain weight 28.4g, plant height 124.73cm, ear length 29.32cm, and the number of grains was 193.67 grains per ear; ...

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Abstract

The invention discloses a van-type no-tillage improved high-yield cultivation method of cold mud field. According to the method, the van width of the gully field with serious gleying can be about 3.0m; the van width of the field with light gleying can be 4.0-5.0m or more; the van length can be determined according to the field shape; the width of the van ditch is 30cm and the depth is 20-30cm; the ditch penetrates through the whole rice field; the rice plantation rule adopts wide and narrow row spacing plantation, namely, the narrow row is 20-23cm and the wide row is 43.33-50.00cm; a drainage ditch is formed between two vans in order to drain water; the dug soil can be uniformly paved on the whole van along the length direction of the van in order to ensure that the van is 15-20cm higher than the water level; the fertilizer application method is as follows: based on the application of proper nitrogen-phosphorus-potassium fertilizer, 100kg of silicon-calcium fertilizer applied in per mu is used as a modifier in order to regulate pH value and redox potential of the soil in winter paddy field. With the adoption of the cultivation method, rice yield in one season can be improved by more than 5%.

Description

technical field [0001] The invention relates to the technical field of rice planting, in particular to a box-type no-tillage improved high-yield cultivation method in a cold mud field. Background technique [0002] Cold mud field is an effective farming system that uses natural precipitation scientifically in hilly and mountainous rice areas that lack water conservancy projects and supporting irrigation conditions to ensure smooth planting and stable and high yield of rice. It has scientific and economical use of natural precipitation resources; fallow soil, fertilization Soil fertility; cropping crops earlier, alleviating labor tension and water conflicts; preventing soil erosion, improving the ecological environment; supplementing groundwater sources, reducing geological disasters; comprehensive utilization, improving the efficiency of cultivated land, etc. Factors constraining the low yield of paddy soil in cold mud fields include poor soil structure, low water and soil t...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G16/00A01G22/22
Inventor 秦鱼生陈琨涂仕华石孝均樊红柱冯文强曾祥忠喻华
Owner INST OF SOIL FERTILIZER SICHUAN ACAD OF AGRI SCI
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