Method for preventing and treating insect pests by composting fallen leaves and waste branches of Swietenia macrophylla
A technology of mahogany and fallen leaves is applied in the fields of crop pest control and organic fertilizer production, which can solve the problems of low contact activity and low antifeedant activity of Spodoptera litura in the third instar, and achieves the promotion of harmlessness, good control effect, and improved product quality. Effect
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Embodiment 1
[0026] Embodiment 1: take the fallen leaves and waste branches of big-leaf mahogany as the method of raw material production fertilizer
[0027] (1) Mix the fallen leaves and waste branches of big-leaf mahogany, biochar, and kitchen waste as raw materials for composting;
[0028] (2) Pretreatment of compost raw materials, including crushing and mixing, pH adjustment, moisture content adjustment and carbon-nitrogen ratio adjustment. Crushing and mixing is to crush each component to a particle size of 5-7mm, and then mix; the pH adjustment is to adjust the pH of the compost raw material to 8.0 with 3wt% sodium hydroxide solution; the moisture content adjustment is to make the compost raw material moisture content by adding water. 60wt%; the adjustment of carbon-nitrogen ratio is to mix the fallen leaves and waste branches of big-leaf mahogany with biochar at a mass ratio of 6:1, and then add kitchen waste to adjust the carbon-nitrogen ratio to 25;
[0029] (3) Feed the pretreat...
Embodiment 2
[0036] Embodiment 2: take the fallen leaves and waste branches of big-leaf mahogany as the method for raw material production fertilizer
[0037] (1) Mix the fallen leaves and waste branches of big-leaf mahogany, biochar, and kitchen waste as raw materials for composting;
[0038] (2) Pretreatment of compost raw materials, including crushing and mixing, pH adjustment, moisture content adjustment and carbon-nitrogen ratio adjustment. Crushing and mixing is to crush each component to a particle size of 5-7 mm, and then mix; pH adjustment is to use 3wt% sodium hydroxide solution to adjust the pH of the compost raw material to 7.5; moisture content adjustment is to add water to make the compost raw material hydrated The carbon-nitrogen ratio adjustment is to mix the fallen leaves and waste branches of the big-leaf mahogany with biochar at a mass ratio of 7:1, and then add kitchen waste to adjust the carbon-nitrogen ratio, so that the compost raw materials reach a carbon-nitrogen r...
Embodiment 3
[0040] Embodiment 3: the method for raw material production fertilizer with the fallen leaves and waste branches of big-leaf mahogany
[0041] (1) Mix the fallen leaves and waste branches of big-leaf mahogany, biochar, and kitchen waste as raw materials for composting;
[0042] (2) Pretreatment of compost raw materials, including crushing and mixing, pH adjustment, moisture content adjustment and carbon-nitrogen ratio adjustment. Crushing and mixing is to crush each component to a particle size of 5-7mm, and then mix; pH adjustment is to use 3wt% sodium hydroxide solution to adjust the pH of compost raw materials to 8.5; moisture content adjustment is to add water to make compost raw materials The moisture content is 55wt%; the carbon-nitrogen ratio adjustment is to mix the fallen leaves and waste branches of big-leaf mahogany with biochar at a mass ratio of 6:1, and then add kitchen waste to adjust the carbon-nitrogen ratio, so that the compost raw materials can reach the car...
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