Effect Of Cultivation Modes On Soil Factors And Wheat Development On Rice-harvested Field Along Huaihe River

The field experiment proceeded in the testing farm of Long Kang in Huaiyuan County, from October,2006 to June,2008.It researched on the impact of the soil factor of the rice stubble of wheat,and growth characteristics and quality of wheat on different methods of farming along Huaihe River.Main results were as follows:1.The impact of the rice stubble of wheat on different ways of farming along Huaihe RiveThe Soil temperature of the rice stubble of wheat changed with regularity along Huaihe Rive.The soil temperature gradually decreased with the increasing depth of the soil during the same period,which the soil temperature was Ploughing Drilling＞Ploughing sow＞Rotary Drilling in the depth of the same soil from Festival period allocated to the boot stage,and ploughing Drilling＞Rotary Drilling＞ploughing sow from Flowering period to maturity of wax.The soil temperature of Rotary Drilling was lower at 1-2℃than the Rotary Drilling and ploughing Drilling during the same period.The temperature of ploughing sow was the smallest at 16℃difference between day and night during the flowering period.The nitrogen and phosphorus content of Drilling ploughing maintain a higher level during the growing period,which was the nitrogen content of up to 85.0ug/g, phosphorus content of up to 9.86 ug/g.soil organic matter content of Rotary ploughing was lower than Ploughing Drilling at13.15 g/kg before sowing at soil of 10-20 cm,and organic matter content of Rotary ploughing was the highest and up to 12.24 g/kg.Soil compaction of the three treatments was the little difference,and it showed Rotary Drilling＞ploughing sow＞ploughing Drilling at the soil of 20 cm during the growing period,soil compaction of Rotary Drilling was the largest,to 1288.43 kpa at the La maturity.2.The impact of wheat morphological and physiological of the rice stubble of wheat on different ways of farming along Huaihe RiveThe total number of sem tillers was the highest in the jointing stage of the trial of three treatment,which it was the highest up to 19.05 million/hm2 of sow ploughing, effective ears was a maximum of Rotary Drilling at 7065000/hm2,germination rate was the highest up to 97.60 percent of ploughing Drilling,and a rate spike was a maximum of Rotary Drilling at 47.1 percent.The leaf area index all reached the maximum in the boot stage,after booting decreased significantly.it was a performance of ploughing Drilling＞Rotary Drilling＞ploughing sow during different stages,which ploughing Drilling and Rotary Drilling of leaf area index difference was not obvious,and ploughing sow difference significantly.Nikko rate was the largest at 10:00 at the wheat flowering stage,and the greatest photosynthetic rate was differences between the various methods,which was a performance of ploughing Drilling＞Rotary Drilling＞ploughing sow.It was a declining trend after 10:00,and there was the second peak around 14:00,that was not obvious differences,and the photosynthetic rate of ploughing Drilling was 8.50 umolCO2m^-2s^-1. The trend of leaf chlorophyll content was "parabola" shape from the tiller to wax maturity,and the maximum to boot stage,that the highest up to 4.43 mg/g of ploughing Drilling.The chlorophyll content of performance was ploughing Drilling＞Rotary Geng Drilling＞ploughing sow in the same growth period.soluble sugar content of Leaf sheath all increased from the jointing stage,and got to the maximum of the flowering period,which was 3.00 percent of ploughing Drilling.performance of leaves soluble sugar content was ploughing Drilling＞Rotary Drilling＞ploughing sow from jointing stage to the filling stage,and ploughing sow＞Rotary Drilling＞ploughing Drilling at Maturity wax stage.1000-grain weight had stopped growth after 30 days of the flowering for ploughing sow;however was still a small amount of grain growth for ploughing Drilling and Rotary Drilling,which the rate of ploughing Drilling growth was more than Rotary Drilling.Soluble sugar content of Wheat seed achieved maximum about five days of the flowering,and the performance was ploughing Drilling＞Rotary Drilling＞sow ploughing,which was 3.68 percent of ploughing Drilling,however the difference of three treatments gradually reduced in the following.3.The impact of wheat yield and quality characters of the rice stubble of wheat on different ways of farming along Huaihe RiveSpike numbers per 667m² was Rotary Drilling＞ploughing sow＞ploughing Drilling,and a maximum of Rotary Drilling,to 7065000/hm2.Panicle showed ploughing Drilling＞ploughing Sow＞Rotary Drilling,and the highest up to 28.5/Sui of ploughing Drilling.1000-grain weight was ploughing Drilling＞Rotary Drilling＞ploughing sow,and a maximum of ploughing Drilling,to 43.8g.actual output was a maximum of ploughing Drilling,to 7785 kg/hm2,and ploughing Drilling＞Rotary Drilling＞ploughing sow.it showed that could significantly impact on the rice stubble of wheat production with different farming methods along Huaihe Rive.Different farming methods could significantly affect weak gluten wheat quality on Wanmai 48,and the density was the highest up to 811.0 g/l of ploughing Drilling, which was ploughing Drilling＞ploughing Drilling＞Rotary sow.Protein content was 13.85 percent of Rotary Drilling,and the wet gluten content was 31.85 percent,the SDS settlement value was 29.08 ml,and the alkaline water retention was 60.45 percent.Protein content,wet gluten content,SDS settlement value and alkaline water retention capacity all were the Rotary Drilling＞ploughing Drilling＞ploughing sow. Swelling power was Rotary Drilling＞ploughing sow＞ploughing Drilling,and the highest to 9.13 of Rotary Drilling.