With the number of babies born through in vitro fertilization at an all-time high, some doctors are trying an alternative that potentially could be less expensive and less taxing on a woman's body.
The rational fertilization could control the timeof bud sprouting, bleeding and growth of the plant to decrease the occurrence of the disease.
合理施肥,控制春季萌芽的早晚、伤流的多少和树木生长势,降低病害发生程度。
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Comparative experiments was conducted on the effect of one-time irrigation and fertilization on the DBH and crown density of young 107 poplar plantations of even planting density.