At the moment, it is rape seeding and nursery season. Rape seedlings are susceptible to pests, cabbage caterpillars, aphids, cocoon beetles, and vegetable pests, and appropriate measures should be taken to prevent and control them. I. Agricultural control 1, clear the field and nearby weeds. The stubble leaves of field stubbles are concentrated or burned to kill adult larvae and pupa. 2, manual killing. For the grasshopper, cabbage caterpillar, aphid can be combined with weeding, field seedlings or transplanting artificial killing or removal of aphids; the use of cockroach instead of the false death habits, shake the plants let it fall, and then kill. Second, chemical control Drug killing is the preferred measure to prevent rape pests. For every 667 square meters, one of the following medicines is optional: 50 kg of conventional spray: 2.5% of the enemy's killing or protection cream 30 ml, 50% of the anti-inflamy 20 grams, 48% of the emulsion 20 ml, 20 % Juma EC 40 ml, 90% insecticidal single powder 35 g. For severely planted areas, pest control can also be used for killing with monocropping powdered cornmeal or sweet potato pieces at the time of sowing. Rain boots also named Wellington boot or gumboots. It has
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