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The expression of protein and oil content of soybean seeds in rrrrrrrrnworldwide was studied. The results shown that: Latitude and rrrrrrrrnyear’s weather conditions affected protein content of soybean rrrrrrrrnseeds importantly. Elevation affected oil content significantly. rrrrrrrrnThere was important difference in protein / oil content among rrrrrrrrndifferent eco - geographical regions. The zone, in which there rrrrrrrrnwas the highest content of protein / oil, was that one with latitude rrrrrrrrnfrom 0°to 20°59′ . And in this zone, there were different rrrrrrrrnelevation regions, in which protein or oil content was the highest. rrrrrrrrnFor high pro-tein, it was the elevation region with 500 - 1000 m; rrrrrrrrnfor oil, it was 0~ 500 m. Protein / oil content was also different rrrrrrrrnamong different years. However, the changing range among years in rrrrrrrrnTropical and Subtropical regions was smaller than that in Temperate rrrrrrrrnRegions. The relationship between protein / oil content and latitude, rrrrrrrrnelevation or soil pH in the regions outside the Tropic of concerned rrrrrrrrna
The expression of protein and oil content of soybean seeds in r r r r r r r r n nwidely was studied. The results shown that: Latitude and r r r r r r r r n n n n n n n n n n n n nyear’s weather conditions affected protein content of soybean r r r r r r r r n nseeds importantly. r r r nThere was important difference in protein / oil content among r r r r r r r r ndifferent eco - geographical regions. The zone, in which there r r r r r r r r nwas the highest content of protein / oil, was that one with latitude r r r r r r r nfrom 0 ° to 20 ° 59 ’. And in this zone, there were different r r r r r r r r r r r r r r r r r r r r r r r r r r r nFor high pro-tein, it was the elevation region with 500 - 1000 m; r r r r r r r nfor oil, it was 0 ~ 500 m. Protein / oil content was also different r r r r r r r r r n namong different years. However, the changing range among years in r r r r r r r r nTropical and Subtropical regions was smaller than that in Temperate r r r r r r r nRegions. The relationship between protein / oil content and latitude, r r r r r r r nelevation or soil pH in the regions outside the the Tropic of concerned r r r r r r r na