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Nutrient control method for improving eating quality of rice in saline-alkali land

A technology of eating quality and saline-alkali land, applied in fertilization methods, rice cultivation, nitrogen fertilizer and other directions, can solve the problems of poor rice quality and poor eating quality in saline-alkali land, and achieve the effects of promoting absorption, avoiding aggravation of salt damage and improving utilization rate.

Active Publication Date: 2019-12-10
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problems of poor quality and poor eating quality of rice in saline-alkali land at present, and provides a nutrient control method for improving the eating quality of rice in saline-alkali land

Method used

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  • Nutrient control method for improving eating quality of rice in saline-alkali land
  • Nutrient control method for improving eating quality of rice in saline-alkali land

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specific Embodiment approach 1

[0016] Specific implementation mode one: the nutrient regulation and control method of improving saline-alkali land rice eating quality of the present embodiment, carries out according to the following steps:

[0017] 1. 7-10 days before transplanting, spread the base fertilizer on the rice field in saline-alkali land, till it into the 15-20cm soil layer, soak the field and harrow the ground; the base fertilizer is nitrogen, phosphorus and potassium ternary compound fertilizer or special fertilizer for rice, The amount of nitrogen fertilizer in the base fertilizer calculated as pure nitrogen is 75-90kg / ha, and the amount of nitrogen fertilizer is calculated as P 2 o 5 The calculated phosphorus fertilizer application rate is 60-75kg / ha, expressed in K 2 The amount of potassium fertilizer applied in O is 50-60kg / ha;

[0018] 2. Dissolve medium and micronutrient fertilizers in water 3 to 5 days before the rice seedlings are transplanted to obtain the seedbed nutrient solution, ...

specific Embodiment approach 2

[0022] Specific embodiment two: the difference between this embodiment and specific embodiment one is that the medium and micronutrient fertilizer described in step two is a nutrient solution containing MgO, and the mass percentage of MgO is ≥ 2%; other and specific embodiments One is the same.

specific Embodiment approach 3

[0023] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that the mass percentage of the micronutrient element fertilizer in the seedbed nutrient solution described in step two is 5% to 8%; other and specific embodiment one or two Two same.

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Abstract

The invention provides a nutrient control method for improving the eating quality of rice in saline-alkali land, and relates to methods for cultivating rice in the saline-alkali land. The method aimsto solve the technical problems that existing rice in the saline-alkali land is poor in quality and poor in eating quality. The method includes the steps that 1, a base fertilizer is spread before transplanting; 2, before seedling transplanting, a medium trace nutrient element fertilizer is supplemented as a nitrogen fertilizer before transplanting; 3, a tillering fertilizer is applied after transplanting; 4, a booting fertilizer is applied; 5, a medium trace nutrient element fertilizer is applied on leaf surfaces in the flowering and fruiting stages of the rice, and nutrient control is completed. According to the rice cultured through the method, the brown rice rate is reduced by 1.9-3.1%, the head rice rate is increased by 2.0-13.6%, the protein content of the rice is increased by 14.3-97.1%, the amylase content is increased by 5.5-64.2%, and the taste value is increased by 3.0-10.4%. The method can be applied to the field of rice culture in the saline-alkali land.

Description

technical field [0001] The invention relates to a nutrient regulation method for improving the nutritional and eating quality of rice, belonging to the technical field of agricultural planting. Background technique [0002] Rice planting is an important method for biological improvement of saline-alkali land. Taking advantage of the relatively saline-alkali tolerance of rice and the principle of water pressure to salt, planting rice can not only effectively control saline-alkaline barrier land, but also play an important role in increasing food production and improving the ecological environment. . The soda saline-alkali land in the west of the Songnen Plain in Northeast my country has the potential to develop rice on a large scale. Jilin Province has listed it as an important base for increasing grain production by 10 billion jin. More than 4 million mu of saline-alkali rice fields have been developed. [0003] At present, the method of rice seed value in saline-alkali lan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/22A01C21/00C05G1/00
CPCA01C21/005A01G22/22C05C9/00C05D1/02
Inventor 黄立华刘颖李冠男
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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