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How to skillfully apply nitrogen fertilizer to ginger for high quality and high yield
Reasonably applying suitable varieties of nitrogen fertilizer according to the fertilizer uptake pattern of ginger can greatly increase yield, improve quality, increase the starch, protein and volatile oil content of commercial ginger, and reduce the soluble sugar and cellulose content. Among the four nitrogen fertilizers ammonium bicarbonate, sodium nitrate, urea and ammonium nitrate, sodium nitrate has the...
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Identifying Zinc Deficiency Symptoms in Rice and Techniques for Skillfully Applying Zinc Fertilizer in Paddy Fields
Zinc is one of the essential trace elements for the growth and development of rice. Zinc deficiency in rice shows obvious symptoms. When rice is deficient in zinc, chlorotic yellow-white spots first appear in the midrib area of the lower leaves, with reddish-brown spots and irregular patches forming on them, which then gradually expand into reddish-brown streaks, turning reddish-brown and drying from the leaf tip downward, and from...
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