Planting technology of alfalfa in saline and alkaline land

A technology of alfalfa and planting technology, applied in land preparation methods, botanical equipment and methods, horticulture, etc., can solve the problems of deterioration of soil structure, high concentration of soil solution, difficult utilization of soil resources, etc., and achieve considerable economic and social benefits. , the effect of improving land quality and improving soil utilization

Inactive Publication Date: 2017-09-08
甘肃亚盛田园牧歌草业集团有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main manifestations of the hazards of soil salinization are: ①Crop yield reduction, high soluble salt content, high soil solution concentration, high osmotic pressure, resulting in abnormal growth of crops, resulting in crop yield reduction
②Decrease in soil fertility: the deterioration of soil structure hinders the growth of plant roots, which not only affects the absorption of water and fertilizer by plants, but also reduces the supply and coordination of soil to water, fertilizer, gas and heat, and also limits the further improvement and improvement of soil fertility. potential fertility
③ Soil resources are difficult to use: saline-alkali hazards have formed a large number of medium and low-yield fields, making it difficult to use large areas of soil resources, reducing comprehensive agricultural production capacity, and destroying the ecological environment, seriously affecting the development of agricultural production and the improvement of farmers' living standards
In view of this, the utilization rate of saline-alkali land is generally low at present. For the Hexi Corridor area in Gansu Province, desertification is serious and the usable land is seriously insufficient. The problem of land shortage is of great significance, and it can play a role in windbreak and sand fixation, and improvement of saline-alkali land

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  • Planting technology of alfalfa in saline and alkaline land
  • Planting technology of alfalfa in saline and alkaline land

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: A kind of alfalfa planting technology in saline-alkali land

[0017] (1) Pretreatment of saline-alkali land: Because of the surface accumulation of soil salt in saline-alkali land, alkali pockets are formed on the ground surface, resulting in crop seedling shortage. Therefore, salt washing and alkali removal treatment must be carried out before sowing. The specific method of salt washing and alkali removal treatment is to treat the After the land is plowed to a depth of 30cm, it is fully irrigated with water every ten days, and the amount of water per irrigation is 260m 3 per mu, and the surface water storage must be kept not less than 20cm, so repeat irrigation 3 times; after treatment, keep the soil mature and wait for sowing;

[0018] (2) Sowing: Before sowing, it is necessary to fertilize according to the base fertilizer standard of 48kg of superphosphate, 8kg of diammonium phosphate, 20kg of phosphorus nitrate, 15kg of potassium sulfate, and 30kg of a...

Embodiment 2

[0021] Embodiment 2: a kind of alfalfa planting technology in saline-alkali land

[0022] (1) Pretreatment of saline-alkali land: Because of the surface accumulation of soil salt in saline-alkali land, alkali pockets are formed on the ground surface, resulting in crop seedling shortage. Therefore, salt washing and alkali removal treatment must be carried out before sowing. The specific method of salt washing and alkali removal treatment is in late July After deep plowing of 35cm to the land, fully irrigate once every ten days, and the amount of water per irrigation is 280m 3 per mu, and the surface water must be kept not less than 22.5cm, so repeated irrigation 4 times; after treatment, keep the soil mature and ready for sowing;

[0023] (2) Sowing: Before sowing, it is necessary to fertilize according to the base fertilizer standard of 51kg of superphosphate, 10kg of diammonium phosphate, 22.5kg of phosphorus nitrate, 17.5kg of potassium sulfate, and 32.5kg of Angel yeast. Th...

Embodiment 3

[0026] Embodiment 3: a kind of alfalfa planting technology in saline-alkali land

[0027] (1) Pretreatment of saline-alkali land: Because of the surface accumulation of soil salt in saline-alkali land, alkali pockets are formed on the ground surface, resulting in crop seedling shortage. Therefore, salt washing and alkali removal treatment must be carried out before sowing. The specific method of salt washing and alkali removal treatment is to treat the After the land is plowed to a depth of 40cm, it is fully irrigated with water every ten days, and the amount of water per irrigation is 300m 3 per mu, and the surface water storage must be kept not less than 25cm, so repeat irrigation 5 times; after treatment, keep the soil mature and wait for sowing;

[0028] (2) Sowing: Before sowing, it is necessary to fertilize according to the base fertilizer standard of 54kg of superphosphate, 12kg of diammonium phosphate, 25kg of phosphorus nitrate, 20kg of potassium sulfate, and 35kg of ...

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Abstract

The invention discloses a planting technology of alfalfa in a saline and alkaline land. The technology mainly comprises four steps including pre-processing of the saline and alkaline land, sowing, field management, measurement and harvesting, etc. According to the invention, soil compositions and the alfalfa yield are changed greatly after improvement; the highest salt rejection rate in the soil reaches up to 50.22%; dry weight of the unit area of alfalfa increases by 0.21-0.30kg; the water content decreases slightly with the decrease rate of 0.30-2.13%; and the mu yield increases by 139.14-199.33kg. Hence, the technology disclosed by the invention has significant effects in aspects such as increase of the soil utilization rate and improvement of land quality; outstanding achievements can be obtained in plantation of the alfalfa; and during pasture plantation, wind protection and sand stabilization are achieved. Therefore, the technology disclosed by the invention can achieve outstanding economic benefits and social benefits.

Description

technical field [0001] The invention relates to the technical field of agricultural planting, in particular to a technique for planting alfalfa in saline-alkali land. Background technique [0002] Saline-alkali soil is a soil type widely distributed on the earth's land, accounting for about 25% of the total land area. The area of ​​saline-alkali land in my country alone is more than 33 million hectares. The annual increase of saline-alkali land in the Yellow River Delta in Shandong Province reaches as many as 6,000 hectares. , do not pay attention to the matching of drainage and irrigation projects, water management and regulation, so that the area of ​​land salinization is still expanding, and a large amount of land is abandoned. The main manifestations of the hazards of soil salinization are: ①Crop yield reduction, high soluble salt content, high concentration of soil solution, high osmotic pressure, resulting in abnormal growth of crops, resulting in crop yield reduction....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01B79/02
CPCA01B79/02
Inventor 张延林李天银李建勇孙鹏中刘军
Owner 甘肃亚盛田园牧歌草业集团有限责任公司
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