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Comprehensive planting and breeding method for rice and crayfishes

A paddy field and paddy rice technology, applied in the field of rice, rice and shrimp comprehensive breeding, can solve the problems of failure to achieve the goal of rice and shrimp comprehensive breeding, late emergence, poor quality, etc.

Pending Publication Date: 2020-10-20
湖南助农农业科技发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Through the above analysis, the existing problems and defects of the prior art are: the shrimp seedling yield of the existing rice-shrimp comprehensive breeding mode is low, the seedlings emerge late, and the quality is poor, and the comprehensive breeding goal of rice-shrimp cannot be realized.

Method used

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  • Comprehensive planting and breeding method for rice and crayfishes
  • Comprehensive planting and breeding method for rice and crayfishes
  • Comprehensive planting and breeding method for rice and crayfishes

Examples

Experimental program
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Embodiment 1

[0058] Example 1: Double cropping rice + shrimp model

[0059] The double-cropping rice+shrimp integrated planting mode provided by the embodiment of the present invention is as follows: image 3 shown.

[0060] 1. Planting content: early rice, late rice, crayfish.

[0061] 2. Technical regulations: Throw seedlings in mid-to-late February, start harvesting in early April, produce more than 90% of crayfish before April 20, machine-plant (throw) early rice before May 1, and harvest early rice before July 20 , Harvest the late rice before the end of October.

[0062] 3. Model characteristics: The core is the separation of crayfish seedling cultivation and crayfish finished product shrimp cultivation. 20% of the existing rice fields will implement double-cropping rice + crayfish seedlings, and 80% will implement double-cropping rice + crayfish finished shrimp to realize crayfish seedlings. , crayfish finished shrimp quality both improved.

[0063] 4. Mode advantages: Crayfish ...

Embodiment 2

[0065] Example 2: Double cropping rice + shrimp model

[0066] The double-cropping rice+shrimp integrated planting mode provided by the embodiment of the present invention is as follows: Figure 4 shown.

[0067] 1. Planting content: early rice, late rice, crayfish.

[0068] 2. Technical regulations: Fertilize and water in October, throw seedlings in November, catch at the beginning of March of the following year, produce more than 80% of crayfish before April 20, plant (throw) early rice before May 1, and harvest before July 25 The early rice is finished, and the late rice is harvested before the end of October.

[0069] 3. Features of the model: The core is that the release period of crayfish seedlings is 3 to 5 months earlier than the existing large-scale production method.

[0070] 4. Advantages of the model: Crayfish are caught from early March to April 20. The price is high and easy to sell, which avoids the shrimp plague in May.

[0071] 5. Comprehensive analysis: T...

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Abstract

The invention belongs to the technical field of comprehensive planting and breeding, and discloses a comprehensive planting and breeding method for rice and crayfishes. The comprehensive planting andbreeding method for the rice and crayfishes comprises the following steps: rice field transformation; aquatic plant transplantation; planting and breeding mode selection: selecting a double cropping rice and crayfish planting and breeding mode as a comprehensive planting and breeding mode for the rice and crayfishes, and performing crayfish larva delivery and rice cultivation; rice and crayfish management; rice and crayfish harvesting; and rice field management. The comprehensive planting and breeding method for the rice and crayfishes provided by the invention employs the double cropping rice+crayfish planting and breeding mode; the core of the double cropping rice+crayfish planting and breeding mode is separation of crayfish larva cultivation and finished-product crayfish cultivation; double cropping rice+crayfish larva planting and breeding is carried out in 20% of an existing rice field, and double cropping rice+finished-product crayfish planting and breeding is performed in 80% ofthe existing rice field, thereby improving both the quality of crayfish larvae and the quality of finished-products crayfishes. The comprehensive planting and breeding method can also improve the grain production capacity of the rice field, enhances the market competitiveness, realizes double profits of the grain and crayfishes, and increases incomes of rice growers.

Description

technical field [0001] The invention belongs to the technical field of comprehensive planting and breeding, and in particular relates to a method for comprehensive planting and breeding of rice, rice and shrimp. Background technique [0002] At present, rice field farming is an ecological agricultural farming model that combines planting and breeding, rice-fish symbiosis, and rice-fish complementary. On the one hand, the introduced animals can affect the growth of rice by changing the composition of the system, affecting the energy flow and food nutrition relationship; on the other hand, they can affect the rice production directly or through the improvement of environmental conditions. A large number of research results show that the growth and development of rice cultivated in paddy fields is better than that of traditional paddy fields, mainly in the rice plants with dense green and lush plants, tall plants, tidy heading, rice panicle length, effective panicle number, tot...

Claims

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Application Information

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IPC IPC(8): A01G22/22A01K61/59A01G22/00A01G33/00C05G3/40C05G3/80
CPCA01G33/00A01K61/59A01G22/00A01G22/22C05B17/00C05G3/40C05G3/80C05C1/00C05D1/02C05F11/08Y02A40/81
Inventor 黄庆明毛泽俊毛竹青孙权
Owner 湖南助农农业科技发展有限公司