Small-Scale Chinese Fruit Preventant Production: Workshop Formula, Ratios & Method
In short: Small-Scale Chinese Fruit Preventant Production: Workshop Formula, Ratios & Method. This entry documents a formula & ratios taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 2810 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.
Fruit drop prevention agentFruit drop will occur in all kinds of fruit trees as they approach maturity. The reason is more complicated. For example, meteorology, plant physiology and cultivation conditions will all cause fruit drop. Although the conditions are complicated and difficult to determine, it is certain that spraying certain drugs will help prevent fruit drop and increase the yield per unit area. The spraying drugs invented by Xuan Jinpei of Japan are now provided as follows:1. Take 20 parts of 2-(2·4-dichlorophenoxy)propionic acid, 70 parts of clay, 5 parts of white carbon powder (light calcium carbonate), 2 parts of higher alcohol sulfonate, and 3 parts of sodium lignosulfonate, crush them and mix them evenly to make 100 parts of hydrating agent.2. Take 20 parts of 2-(2·4-dichlorophenoxy)ethyl propionate, 3 parts of mixed xylene, 2 parts of polyoxyethylene alkyl acrylate, and 2 parts of calcium dodecyl benzene sulfonate, stir evenly, and add water to make 100 parts of emulsion.When fruit drop is found, spray the above emulsion 1 to 3 times. In addition, this emulsion can also be mixed with various pesticides, fungicides, plant growth regulators, etc.The drug spraying period is August 18th. District 1 is sprayed three times repeatedly, and statistics are collected on September 11th. The fruit drop rate is the cumulative average of the three zones.The drug spraying period was August 30. District 1 was sprayed three times repeatedly. By September 26, the fruit loss rate was calculated as the cumulative average of the three districts.This agent has the obvious effect of preventing fruit drop, …
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Lei Cheng
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