Effects Of Different Planting Patterns On The Yield,Quality And Comprehensive Benefits Of Konjac In Foping

Konjac is a typical shade-requiring plant.In the traditional cultivation process of konjac,the input of production materials is relatively high,the land use efficiency is low,the disease is serious,and the economic benefits are unstable.In order to improve land utilization,reduce pests and diseases,increase the output per unit of cultivated land,and improve overall benefits.In this paper,through the field experiment,the konjac single planting mode,the konjac corn intercropping planting mode and the shade net cover planting mode were selected,and the effects of different planting patterns on soil physical and chemical properties,konjac agronomic traits,yield,quality and economic benefit were systematically studied.Provide a scientific reference for the selection of local konjac planting patterns.The main findings are:1.Different cultivation modes have no significant effect on soil pH change;soil moisture content under shading net cover planting mode and konjac intercropping mode is significantly higher than single cropping;soil nutrient content in each treatment is in four key growth stages of konjac growth Gradually reduced,both showed:seedling stage>head change period>bulb growth period>maturity stage.The soil nutrient content of konjac and corn intercropping at seedling stage was not significantly different from that of konjac,and the other three key growth stages were lower than the single planting mode.2.The length of the konjac petiole,the diameter of the petiole and the diameter of the leaf disc are larger than that of the konjac under the shading net planting mode;the diameter of the petiole and the diameter of the leaf disc of the konjac corn intercropping pattern are smaller than that of the konjac single cropping and the shading net cover planting mode;The chlorophyll content of konjac leaves in the same period was higher than that in the konjac single planting mode;the shade planting under the shade net and the konjac intercropping planting were compared with the konjac single planting mode,and the konjac soft rot disease occurred in the same period of each treatment.The rate is lower than the konjac single planting mode.3.The konjac quality index of the shading net planting mode and konjac intercropping planting mode is higher than that of the single planting mode.The glucomannan content,starch content,soluble protein content and soluble sugar content of konjac under the shade planting mode were increased by 5.44%,12.21%,23.31%and 7.81%,respectively,compared with the konjac single planting mode;The glucomannan content,starch content,soluble protein content and soluble sugar content of konjac were increased by 2.72%,9.69%,23.02%and 6.07%,respectively,compared with the konjac single planting mode.4.the shade net cover planting and konjac intercropping planting mode,the konjac production is significantly higher than the konjac single planting mode,in which the shade planting pattern konjac yield is up to 3131.66kg/667m~2,which is 22.60%higher than the konjac single planting mode;konjac corn intercropping planting mode of konjac was3097.66kg/667m~2,which was 13.99%higher than that of konjac.It shows that moderate shading is beneficial to the increase of konjac production.5.The cost input under three different planting modes is as follows:shade net cover planting mode>konjac corn intercropping planting mode>konjac single planting mode;net income presents:konjac corn intercropping planting mode>shading net cover planting mode>Konjac single planting mode.In summary,shading coverage and intercropping treatment are better than the konjac single planting mode in improving the physical and chemical properties of the soil,improving the yield of konjac and improving the quality.The comprehensive benefit of the konjac and corn intercropping model is relatively good.Suitable for local promotion.