Effect Of "Maize-chicken" Planting And Breeding Mode On Farmland Soil Physical And Chemical Traits And Maize Yield And Quality

With the development of society and the improvement of people’s living standards,people’s requirements for the quality of agricultural products are also improved,and high-quality agricultural products are welcomed by consumers.In order to diversify the production of green corn and improve the added value of farmland production,this experiment uses the different sweet and waxy corn of spring corn and autumn corn to explore the influence on farmland soil physical and chemical properties and corn yield quality traits through the combination of"corn and chicken".The experimental design of"low-density chicken-corn"(YJL)、"Medium-density stocking chicken-corn"(YJM)、"high-density chicken-corn"(YJH)and single maize(YCK),explored the influence of corn-chicken on soil physical and chemical traits,analyzed the effect on dry material accumulation and agronomic traits,and revealed the influence of root mode on corn yield and quality traits.The main study results are as follows:(1)The"maize-chicken"lotus root pattern increased the soil acidity of the maize field compared to maize alone,and the"maize-chicken"lotus root pattern of three different stocking chicken densities indicated a positive correlation between soil acidity and stocking chicken density.Compared with corn alone,the"Corn-chicken"planting and breeding mode significantly improved the content of alkali nitrogen and quick phosphorus in soil,and YJM treatment had the most obvious effect on soil alkali nitrogen and quick phosphorus.The soil full nutrient content of"corn-chicken"coupling lotus mode was improved.In the spring corn season,the most obvious treatment on soil total nitrogen was YJL treatment,and the soil total nitrogen increased by 18.3%;the most obvious treatment was YJM treatment,and the soil whole phosphorus increased by 16.9%.In the autumn corn season,the most obvious treatment on soil total nitrogen was YJL treatment,which increased by 17%and the treatment was YJM,which increased by 11%.(2)Effect on the dry material accumulation and agronomic traits of corn:Two seasons show that the"Corn-chicken"planting and breeding mode can increase the dry material accumulation of corn roots and facilitate the dry material accumulation of stalks and leaves.In spring corn season,24.5%and 14.8%higher than root and control,13.7%and 7.6%higher respectively.In terms of total dry matter,there was no significant difference between the total dry matter of"corn-chicken"coupling root and corn alone."Corn-chicken"planting and breeding is conducive to corn leaf growth,increase the corn leaf area and leaf area index.However,the YJH treatment(chicken density of 2381 birds/hm~2)inhibited the leaf area and leaf area index,because the lower leaves of the treated corn were observed to be eaten up by the chickens.Compared with maize alone,the mode of"maize-chicken"lotus root favors the growth of maize stem base circumference and plant height.(3)Effect on corn yield and quality:The"Corn-chicken"planting and breeding mode improves the corn yield to some extent,which is conducive to corn high yield,but there is no significant difference.In the spring corn season experiment,there was no obvious regular change in the yield of corn alone and the"Corn-chicken"planting and breeding mode of three different stocking density chickens.In the autumn corn season experiment,both the theoretical yield and the actual yield were the lowest corn single treatment,in which the theoretical yield of YJH treatment was 8.8%higher than the control,and the actual yield was10.1%higher than the control.From the perspective of yield composition factors,the"Corn-chicken"planting and breeding mode of spring corn season test is beneficial to the growth of ear length and ear thickness,and the influence on the number of ears and grain number is not obvious;In the autumn maize season experiment,the"maize-chicken"lotus root mode was beneficial to increase the grain number and one hundred grain weight of maize,and the influence of grain thickness was not obvious.From the three corn quality traits of total protein,soluble solid content and amylose in the experiment,the"Corn-chicken"planting and breeding mode improved the quality of corn.In the spring corn season,the amylose and total protein treated with YJM were 14.3%and 6.8%higher,respectively,and the soluble solid content and total protein treated by YJM were 5.3%and33%higher,respectively.