In agricultural production, the rational use of agricultural hormones can effectively promote the growth and development of crops, improve quality, increase production, and create greater economic benefits. On the contrary, if the hormone is abused, the concentration is increased blindly, or the method is improperly used, the crop will be reduced or reduced, resulting in unnecessary losses. Therefore, when using agricultural hormones, we must pay attention to the following three aspects.
1. Method of use Different characteristics and methods of use of different agricultural hormones. Some hormones need to be diluted and dissolved with hot water before use; some hormones need to be dissolved with alcohol before use (such as gibberellin); some hormones should be mixed with other elements, or can only be used with them. And use it all at once in the specified time. Another point to note is that hormones that are better used on food crops cannot be used on other cash crops, especially when vegetable crops use agricultural hormones. Do not treat hormones as “universal medicines”. This will be counterproductive and will not achieve the desired results. Therefore, the use of agricultural hormones must be scientific and reasonable, and should not be used at will.
2. Time of use Some agricultural hormones are very sensitive to temperature and can only be used in the morning, evening or cloudy days to show their yield increase. If it is used under the hot sun, it will not only have no effect, but also cause damage to crops, resulting in reduced production and reduced income. Some hormones need to be used in the seedling stage, but some hormones can only be used in the late growth stage. Therefore, when using hormones, it must be targeted.
3. Use concentration The concentration of agricultural hormones used is a key factor that directly affects crop yields. Excessive concentrations used not only increase costs, but are also prone to phytotoxicity and even toxins. Therefore, do not use your own subjective impressions and estimates to formulate the concentration, but to prepare the appropriate concentration of crops according to the actual conditions such as climatic conditions and temperature, do not arbitrarily increase the concentration, so as not to affect its effect. In addition, some agricultural hormones are sensitive to climate, environment, soil and other factors. Sometimes the same hormone is used in the same crop. Under different climates and environmental conditions, the effects are quite different. Even using the same concentration, the original use effect was very good, but it was later caused by changes in conditions such as climate, concentration, and soil quality. Therefore, when using agricultural hormones, it should be strictly selected according to the requirements of the manual or the guidance of the agricultural technicians of the local agricultural technology department. Excerpted from "Practical Technology in Rural Areas"
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