Shangnong Yidao Xianjing
Shangnong Yidaoyanjing is an internal absorption fungicide with a safe interval of more than 20 days and low toxicity to human beings and animals. The dosage form is 40% EC. Shangnong Yidaojing is mainly used to control rice neck blast, and it is also effective against rice glomerular sclerotinia, Sclerotinia sclerotiorum, sheath blight and planthopper, and has both insecticidal and lodging resistance.
The method of use is to control rice blast, sheath blight and micrococcosis, and the liquid spray should be diluted 600 to 1200 times.
Note: ① is also a defoliating agent for cotton. When applying this agent, you should pay attention to adjacent to the cotton field. ② this agent can not be mixed with alkaline agents such as stone sulfur mixture and Bordeaux solution.
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Jieshu 16
Characteristics: plant shape semi-erect, top leaf green, leaf-shaped heart tooth, leaf vein green, stem green, potato skin white, potato flesh light yellow, potato spindle more beautiful, tuber good, storage resistance, sprouting medium. The dry matter rate is 33.5%, the taste is 84.6 points, the starch rate is 24.9%, and the vitamin C content is 24.19 mg per 100 grams. High resistance to potato blast. Participated in the provincial regional test in 2001 and 2002, the average yield of fresh potato per mu was 2036 kg, which was 2.37 lower than that of the control variety Guang Shu 111.
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What if there is fertilizer damage to rice seedlings?
Blindly increasing the amount of chemical fertilizer will cause a variety of physiological obstacles in rice seedlings and make the growth and development of rice abnormal after transplanting. Excessive application of unripe organic fertilizer will also cause poor growth of rice. This kind of physiological obstacle caused by excessive application of fertilizer is called "fertilizer damage". First, there are many reasons for fertilizer damage of rice seedlings, which can be summarized as follows: first, improper fertilization methods. For example, when ammonia or ammonium bicarbonate is applied at high temperature at noon, the volatile ammonia causes fumigation to rice plants.
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