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Key Points of Soybean Chemical Control Technology and Detailed Usage Methods
Chemical control cultivation is an emerging technology in agricultural production. When applied to soybean cultivation, chemical control can regulate plant growth and development, help increase flowers and preserve pods, and raise yields. Application of rare earth: rare earth is also called rare earth micro-fertilizer or rare earth nitrate, with the trade name Changle Yizhisu. It is a new type of rare earth element fertilizer first developed in China and a key promoted product; at the soybean seedling stage and initial flowering stage, spray once each with rare earth solutions at concentrations of 0.03%-0.04% and 0.08% respectively, which can increase grain protein content by 5.