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生产实践证明,在花生生长的中后期,适时进行“三防”即防徒长、防早衰、防病虫,可增产20%～30%.(一)防徒长 对水肥条件较好,植株生长旺盛的花生田,可在花生大批果针入土时,喷施植物生长调节剂.每亩喷施15%多效唑粉剂30～40g对水40～50kg,或20%的壮丰安每亩30ml对水40kg.宜在下午喷施,避免重喷、漏喷,喷后8小时之内遇雨
Production practice has proved that peanut growth in the late, timely “three defenses,” that is anti-Treasury, anti premature senility, pest control, increase 20% to 30%. (A) prevention and treatment of water and fertilizer conditions are good, vigorous plant growth Of the peanut fields, peanuts can be a large number of needle into the soil, spraying plant growth regulators spraying 15% per mom aerosol powder 30 ~ 40g 40 ~ 50kg of water, or 20% Zhuang Feng An 30 acres of water per 40kg Should be sprayed in the afternoon to avoid re-spray, spray leakage, spray within 8 hours of rain