Steroidal sex hormones including androgens and estrogens are important in the reproductive development of mammals. A number of studies suggested that these ster
<正>Rice quality is decided by genotype,environ-ment,and cultivation.We studied the effectson rice yield and quality by applying N fertiliz-er at late growth st
<正> Although at different content levels, phytohormones including auxins, gibberellins, cytokinns and ahscisic acid distribute widely over rice tissues. It has
In 1992, the government of Brazil presented nine crop varieties to China. One of them is Brazil upland rice IAPAR9. It was evaluated for commercial usage in Chi