Question: Paying a large land planter in Qingxian County, Ganzhou City: Last year, hundreds of acres of soybeans planted under the forest in our village all had pods and unrealistic phenomena. Is this a matter of fact? Is it a herbicide?
Wang Hongping, Lu Hongyan (Senior agronomist of Renqiu Agriculture Bureau) A: This is not a disaster caused by herbicides. Last year, not only the soybeans planted under the forest in Qingxian County were pods, but also the dry crop soybeans that I planted in the field. There has also been a phenomenon of pods and unreality. The author analyzes the reasons for the unreality of the soybean pod as follows:
1. Poor pollination of soybeans;
Second, long-term high temperature and drought, causing pollen grains to die;
Third, the flower pod period is low temperature and low light, causing malnutrition;
Fourth, the lack of boron in the flower pod period, resulting in poor reproductive growth.
This is the author's superficial view for your reference. It is recommended that you plant soybeans under the forest this year for plots with good water and fertilizer conditions, so as to avoid the competition between trees and soybeans for water, fertilizer, light and heat resources, and create a suitable environment for soybean growth, laying a good foundation for high soybean yield. In addition, it is necessary to pay special attention to the fact that soybeans must not be planted again, at least one year apart, preferably at intervals of three years.
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