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Optimization and Preparation of Soil Mixture with Agricultural Residue Maize Stalk for Cultivating Maize Seedling


Affiliations
1 College of Engineering, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
 

In mainland China, maize is widely planted in large areas and maize yield ranks the second in the world. With increasing of people's living standards, the demand for crop quality is rising. Improving maize quality via new agronomic methods is the goal of the farming industry. Cultivating maize seedlings and transplanting them into farmland field is suitable in cold areas in the North of China because an early frost can be avoided, maize seedlings are stronger than those obtained with conventional method, and maize growth period is extended. However, a large amount of farmland soil is consumed via this method, thereby inevitably damaging farmland. On the other hand, maize stalks are one of the main byproducts in the maize-growing region. The yield of maize stalk is high, but its utilization rate is low. Environmental damage due to burning maize stalk has attracted increasing attention. Exploring new methods to recycle maize stalks helps with energy conservation, emission reduction and sustainable development. To reduce environmental damage caused by consuming farmland soil in cultivating maize seedlings, and to allow recycling of maize stalks as an agricultural residue in great numbers, three tests were designed and conducted to obtain the best ratio of soil mixture with maize stalk for cultivating maize seedlings. The agronomic traits of maize seedlings such as plant height, stem diameter and dry weight were analysed. The proper materials were determined in the single-factor test, and the best ratio of soil mixture with maize stalk was obtained in the quadratic general rotary combination test, which was checked and verified by the verification test. Results demonstrate the best ratio of the soil mixture is farmland soil, maize stalk powder, phosphogypsum powder and ground charcoal at 1: 0.12: 0.71: 0.36. Analysis of agronomic traits of maize seedlings shows that the plant height, stem diameter and dry weight in the best group are significantly higher than those in the other groups, including the pure farmland soil group. This study provides a basis for preparing the soil mixture for cultivating maize seedlings and for exploring a new method for recycling maize stalk, which is of dual significance of decreasing damage to farmland soil and recycling maize stalks.

Keywords

Maize Stalk, Agricultural Residue, Soil Mixture for Cultivating, Maize Seedling.
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  • Optimization and Preparation of Soil Mixture with Agricultural Residue Maize Stalk for Cultivating Maize Seedling

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Authors

Hengyan Xie
College of Engineering, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
Xinyu Wang
College of Engineering, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
Junxiang Hao
College of Engineering, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
Xin Zheng
College of Engineering, Heilongjiang Bayi Agricultural University, Daqing, 163319, China

Abstract


In mainland China, maize is widely planted in large areas and maize yield ranks the second in the world. With increasing of people's living standards, the demand for crop quality is rising. Improving maize quality via new agronomic methods is the goal of the farming industry. Cultivating maize seedlings and transplanting them into farmland field is suitable in cold areas in the North of China because an early frost can be avoided, maize seedlings are stronger than those obtained with conventional method, and maize growth period is extended. However, a large amount of farmland soil is consumed via this method, thereby inevitably damaging farmland. On the other hand, maize stalks are one of the main byproducts in the maize-growing region. The yield of maize stalk is high, but its utilization rate is low. Environmental damage due to burning maize stalk has attracted increasing attention. Exploring new methods to recycle maize stalks helps with energy conservation, emission reduction and sustainable development. To reduce environmental damage caused by consuming farmland soil in cultivating maize seedlings, and to allow recycling of maize stalks as an agricultural residue in great numbers, three tests were designed and conducted to obtain the best ratio of soil mixture with maize stalk for cultivating maize seedlings. The agronomic traits of maize seedlings such as plant height, stem diameter and dry weight were analysed. The proper materials were determined in the single-factor test, and the best ratio of soil mixture with maize stalk was obtained in the quadratic general rotary combination test, which was checked and verified by the verification test. Results demonstrate the best ratio of the soil mixture is farmland soil, maize stalk powder, phosphogypsum powder and ground charcoal at 1: 0.12: 0.71: 0.36. Analysis of agronomic traits of maize seedlings shows that the plant height, stem diameter and dry weight in the best group are significantly higher than those in the other groups, including the pure farmland soil group. This study provides a basis for preparing the soil mixture for cultivating maize seedlings and for exploring a new method for recycling maize stalk, which is of dual significance of decreasing damage to farmland soil and recycling maize stalks.

Keywords


Maize Stalk, Agricultural Residue, Soil Mixture for Cultivating, Maize Seedling.

References