Method for improving germination rate of corns sowed in coastal beach saline-alkaline land

A technology of saline-alkali land and germination rate, which is applied in the fields of soil preparation methods, botany equipment and methods, horticulture, etc., can solve the problems of difficult seedling preservation and low seedling emergence rate of feed corn, so as to increase crop yield, enhance the effect of seedling emergence and seedling growth, and inhibit The effect of soil return salt

Inactive Publication Date: 2017-09-15
JIANGSU COASTAL AREA AGRI SCI RES INST
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for improving the germination rate of corn sown in coastal saline-alkali land in view of the low seedling emergence rate and difficulty in seedling preservation of sowing fodder corn in coastal tidal flat saline-alkali land in the prior art

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  • Method for improving germination rate of corns sowed in coastal beach saline-alkaline land

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Embodiment

[0026] The present invention has carried out experiment and implementation in Jinhai Farm Experimental Base, Dafeng City, Jiangsu Province. The total salt content of the soil in the 0-20cm plow layer of the tidal flat saline-alkali land is 3.1‰±0.3‰wt, with 3 replicates, each of which is 43.2m 2 , the tested variety is feed corn Suyu 29. The sowing date was April 10, 2013, and the harvest date was August 5, 2013. The comparison is live broadcast in the open. The main implementation links are as follows: (1) Deep loosening and rotary tilling the land, and applying sufficient base fertilizer. After the land is idle and before corn planting, subsoil and rotary tillage the land, the subsoiling depth is 20-25cm, and the rotary plowing depth is 10-15cm; before subsoiling and rotary plowing, use 150kg / mu of organic fertilizer, combined with monoammonium phosphate (total nutrient ≥ 55%) 40kg / mu and mixed evenly as a base fertilizer, evenly applied to the soil. After plowing, the d...

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Abstract

The invention discloses a method for improving the germination rate of corns sowed in coastal beach saline-alkaline land and relates to the technical field of agricultural planting and cultivation. The method comprises the steps of deep scarification and rotary tillage of land, enough base fertilizer application, furrowing and ridging, sowing and water-retaining agent adding, herbicide spray application and mulching film coverage, and seedling emergence and final-period management. 'Low-salt belts' are formed in a sowing zone through certain improvement of soil fertility and by integrating mulching film temperature rise and salt decrease, ridging for salt absorption, water-retaining agent adding, water retaining, fertilizer maintenance, soil moisture increase and moisture evaporation decrease, and accordingly it is achieved that the germination rate of the corns sowed in the coastal beach saline-alkaline land is improved. The problems of low germination rate of corns and difficult seedling protection in coastal beach saline-alkaline land are solved, complete and strong feed corn seedlings in the saline-alkaline land are achieved, and the method is economic, simple, effective, strong in operability and suitable for popularization.

Description

technical field [0001] The invention relates to the technical field of agricultural planting and cultivation, in particular to a method for increasing the germination rate of corn sown in coastal beach saline-alkali land. Background technique [0002] Jiangsu Province has a large population and little arable land, and arable land resources are an important factor restricting the sustainable development of agriculture in Jiangsu Province. The total area of ​​coastal tidal flats in Jiangsu Province is more than 10 million mu, ranking first in the country, of which 4.43 million mu is in the supratidal zone, and the annual growth rate is 2 The rate of growth is 10,000 mu, and coastal saline-alkali land is an important reserve resource for agricultural development in Jiangsu Province. With the rapid development of the national economy and society, the contradiction between population growth and arable land reduction has become increasingly prominent. Various saline soil resources...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01B79/02
CPCA01B79/02
Inventor 倪正斌孙红芹万林生
Owner JIANGSU COASTAL AREA AGRI SCI RES INST
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