Study On Soybean Root Systems Along With Its Relations With Upperground Characteristics

Crop normal growth depends on the process of the shoot parts photosynthesis and the underground partial roots group takes up water, the nutrient. The formidable root system promotes the photosynthesis, but the photosynthesis can provides the sufficient nutrients for root system. Therefore accurately understand root system growth the characteristic is very important to scientifically estimated the yield as well as at the right moment implements the agronomy measure like to apply fertilizer, the irrigation and the machinery weeding and so on. The crop science is take enhances the yield, the quantity, the quality, reduces the consumption as the goal, the study on crop growth, the climate environment, the technical regulation science. The system structure core is the shoot parts " photosynthesis system" and underground partial "root system". The crop science have already done the massive research revolves the yield to the crop shoot parts "the photosynthesis system" the structure and the function since long ago. Now scientist have already pays attention on underground partial and root system, but it is difficult to the observation because of the soil limit root system, people study on the root system difficultly under the field condition, the study on crop root system was inferior to on the shoot characteristics, such work are also quite few in the domestic and foreign developments. Crop underground root system relations be intimate to the crops the growth underground partially, to the environmental condition response also is enormous. Research on crop root systems has the very big significance, it can obtains the cultivation method which is suitable and the crop variety which is strong and fertility aspect regarding the selection adaptive to the poor surroundings faculty all.In the pot experiment, we studied the differences of root and shoot characteristics among soybean varieties, which had different traits and belonged to different regions. We first has carried on the preliminary investigation and the analysis to Heilongjiang Province and the Jilin Province total 50 materials partial characters, afterwards selects the yield level high 25 genotypes, and then study on the shoot characteristics and the root systems characteristics .The purpose of the study is to recognize the differences of root characteristics and the shoot characteristics and to reveal the traits of different kinds of soybean varieties and to provide basic information for the soybean root...