In-service Gas Pipeline On Its Soil Temperature Influence And Corn Yeld And Agronomic Traits Influence

This study of Zhongwei City,Ningxia,Shanxi Pu County,Huaiyang County,Henan pressure gas upstream station 8km,2km,downstream 2km,8km,16 km,32km,48 km pipeline directly above(0m),from pipeline 1m,2m,3m at corn site visits and testing,to study the pipe above the corn yield,agronomic traits,chlorophyll and other factors,at the same time for each compressor station pipe directly above(0m),1m,2m,3m at 100 cm,70cm,40 cm soil depth soil temperature long-term monitoring to study the influence of the pipeline on the soil temperature.In addition to Zhongwei in Ningxia and Henan Huaiyang pressure above the gas station pipe chase Panicle corn processing,fertilizer processing explore the effect of improving the size of the pipe above the yield of corn.Research indicates:(1)The pipeline compressor station just above the soil temperature than the other horizontal and vertical pipe above the sampling points is the highest,the closer the soil temperature,the higher the level of the vertical distance from the pipeline,with increasing vertical distance(0m to 5m)soil reduce the temperature decreased,at a distance of 2m to 5m line at the temperature changed little,indicating that the main pipeline in horizontal and vertical direction within the soil temperature range(unilateral)2m.Along the pipeline direction,the farther from the compressor station,monitoring sites the same pipe above(0m,1m,2m 5m and)the smaller the soil temperature changes,not showing off gas compressor station nearer to the soil temperature above the pipe trend.(2)Above the pipeline compressor stations Zhongwei City corn crop reached 1.41% ~36.93%,above the Pu County of Shanxi gas pipeline compressor stations corn crop reaches13.50% to 100% above the corn Huaiyang County,Henan gas pipeline compressor stations to achieve cuts 4.45%-23.90%,were showing off gas compressor station near the greater the production trend.Gas pipeline directly above the corn crop is more serious,affected in areas where less than 2m(one-sided),a handful of more than 3m(unilateral).Yield differences between maize varieties can be seen from the various monitoring points,over the same maize varieties at different distances from the compressor station pipeline affected planting different varieties of maize of different genetic characteristics of the pipe to withstand the impact of different pressures.Pipe above corn yield was negatively correlated with soil temperatureshowed that soil temperature rises above the pipeline is not conducive to the formation of maize.(3)Each compressor station above the corn yield pipeline mainly for pipe directly above the pipeline from the more recent smaller value most severely affected.Wherein Zhongwei pipeline compressor station just above the corn ear length,ear diameter,grain weight,grain weight is reduced,increasing the length bald,rows per ear,kernels per row were not significant,Pu County of Shanxi pipeline compressor station just above the long ears of corn,grain weight,grain weight is reduced,increasing the length bald,rows per ear,kernels per row,ear diameter difference was not significant,Henan Huaiyang pipeline compressor station just above the corn grain weight,grain weight is reduced,increasing the length bald,differences whole rows per ear,kernels per row,ear diameter,ear length,which are not significant.(4)The gas pipeline compressor stations above the corn plant traits are subject to different degrees.Main features: Zhongwei City,Ningxia upstream compressor station 2km,downstream 2km,8km,16 km,32km,48 km gas pipeline from the top of the pipe the more recent plant height,lower ear height,stem diameter,smaller leaf area(3m above the pipeline and at the height of poor control in the 19 ~ 49 cm between ear height in 3 ~ 25 cm between poor,very poor stem diameter between 0.22 ~ 0.5cm,leaf area Range 700-1800cm2),8km upstream monitoring points traits in plants is not significant;Pu County of Shanxi pressure gas upstream station 2km,8km,downstream 8km,16 km,32km,48 km from the pipeline near the top of the corn plant height pipeline(between the poor in the 13 ~ 64cm)ear height lower(range 3 ~ 18 cm in between),the smaller stem diameter(range between 0.12 ~ 0.3cm),downstream of 16 km,32km nearer the smaller pipeline leaf area(range 700 ~ 5000cm2),other monitoring points difference in leaf area per plant is not significant.Huaiyang County,Henan above the gas pipeline corn discrepancy is different from Zhongwei City plant traits and differences in Shanxi Pu County,Huaiyang County,Henan pipeline corn significantly above the monitoring point,the closer from the pipeline,plant height,ear height,leaf area larger value(directly above the pipeline and 3m height control in 30 ~ 560 cm between poor and ear height in 10 ~ 14 cm between poor,poor leaf area in the 1600 ~ 2600 cm2 Room),stem diameter were not significant,and some monitoring sites plant traits were not significant.Maize yield and agronomic traits Department showed changes caused directly maize agronomic traits yield changes.(5)In the same position above the same section of pipeline monitoring points maize sequence of a different length differences.Zhongwei City gas pipeline between the top of the corn tassel Dir 6,7,8,9,10,11,12 section reduce length;Pu County of Shanxi pipe above Corn serious monitoring points,the length of the section between corn were decreased affectingmore serious monitoring points in between corn tassel Dir 1,4,7,10,11 section reduce length;corn pipeline monitoring points above the Huaiyang County,Henan height increase,mostly tassel Paragraph 1 section 3,5,6,7,8,10,11,12,13,14 between increased length due.(6)Pu County of Shanxi pressure gas upstream station 2km,downstream 8km above the corn chlorophyll pipeline affected very significantly,pipe just above the corn chlorophyll lowest corn chlorophyll above the pipeline elsewhere significantly different monitoring points,is the highest above the content above the differences in chlorophyll pipeline Huaiyang County,Henan significant monitoring points,the pipe just above the maximum chlorophyll content,chlorophyll content monitoring sites showed ultimately cut.In summary,in the maize growing process,the impact of the pipeline is not the direct cause of corn fertility.TIts main effects by soil temperature and maize growth,poor corn growth caused decrease,leading to inter-section is reduced,plant height,ear height lower blade is reduced,and also broke the maize late reproductive growth and vegetative growth balance,and ultimately reflected in the maize grain weight,grain weight,bald and long yield traits,thus affecting production.