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supplement of soil elements to increase crop yield and quality!
compared with nitrogen, phosphorus and potassium, silicon, calcium, magnesium and sulfur are included in the middle elements. the content of zinc, boron, manganese, molybdenum, copper, iron and chlorine in plants is 0.1%-0.5%. the other seven elementswhat fertilizer should be applied during fruit tree expansion？
the growth of apple is actually divided into two staggered growth forms: vegetative growth mainly consisting of long branches and leaves and reproductive growth mainly consisting of flowering and fruiting. in fact, the growth of branches and leaves ihow to balance out fertilizer production practice
we all know that in the biological world there is a law of mutual restraint. among all kinds of fertilizers, there is also a relationship between mutual generation and mutual restraint. for example, the excess available phosphorus combined with the apopularization of knowledge on maize vigorous control
lodging, as an important factor affecting maize high and stable yield, has been paid more and more attention in recent years. in addition to strengthening cultivation management and other agronomic measures, spraying plant growth regulator to controlwhat problems should we pay attention to when applying water-soluble fertilizers
the important fertilization principle of water-soluble fertilizer is: a small number of times, this is because the root system of plants has the characteristics of continuous absorption of nutrients, so it is necessary to reduce a large amount of onecitrus management into summer, beware of pesticide damage!
pesticide damage refers to the phenomenon that the normal growth and physiological function of protected plants are destroyed due to incorrect use of pesticides, thus reducing the yield or quality. sometimes the tree can repair itself, but most of th
