What are the main points of spring management of carambola orchard? Spring management method of carambola orchard

Answer: 1. Fertilization and application.

(1) Apply quick-acting water and fertilizer when budding, or apply 0.3-0.5 kg15:15 compound fertilizer per plant to promote flowers and strengthen them.

(2) In order to control Alternaria alternata, the control should be started at the stage of spring shoot pulling and leaf spreading. 250 times of 25% carbendazim wettable powder or 800 times of 75% chlorothalonil, spray/kloc-0 every 8 days for 2-3 times continuously.

(3) Before the end of this month, mix 5 kg of 25% acephate wettable powder with 12-20 kg of soil to make toxic soil and scatter it under the trees. Using 480g/L chlorpyrifos EC or 500 times of 45% phoxim EC to make toxic soil and spread it under the tree to kill the larvae at the early flowering stage.

(4) Prevention and control of leaf roller, whose larvae are harmful to early and middle-maturing varieties in the middle and late of this month. It can be controlled with cypermethrin EC 25g/L, rural avermectin EC 3500 times of 18g/L, or chlorpyrifos EC 480g/L of Jiangjun. com 1000, 7-7 times each time.

Step 2 prune branches

The drooping, aging, crossing, too fine, too dense, too flourishing, and dead branches are cut short and thinned. When thinning branches, leave 10-20 cm long branches and let them bear fruit.