Excessive use of pesticides crops after application under low temperature , high humidity , drought and other adverse natural conditions , crop slow metabolism , the injury worse. Plant protection machinery is not standard, pressure water sprayer spray uneven , excessive pesticide can cause injury. Synthetic plant growth regulating agent, excessive or repeated use will break the plant hormone balance, leading to enzyme metabolic imbalance , will inhibit crop growth, decreased immune function, increased disease .
Crop injury occurred after rescue methods
Rice seedbed injury occurs after every 100 square meters with " Bi protection of" 3 grams to 6 grams watered 15 kg ~ 30 kg + "Bi care partner" ~ 6 ml + 3 ml vinegar 50 ml - 100 ml spray , can be quickly lifted injury.
Soybeans, corn, rice, potatoes, flax , red beans , kidney beans , vegetables and other farm found after injury , mu , " Pitt guard " 3 grams watered 15 kg foliar spray ; or mu " Pitt guard " 2 g watered 10 kg +3 ml " Pitt guard companion " + vinegar 30 ml to 50 ml foliar knapsack sprayer spray.
Fruit injury occurred after mu "Bi protect " 9 grams to 12 grams ( one gram " Pitt guard " watered 5 kg , dubbed 5000 times ) foliar spray ; or mu " Pitt guard " 6 g ~ 9 g ( 5000 times ) + "Bi care partner" 15 ml to 20 ml + 100 ml vinegar , stir foliar spray , can significantly alleviate efficacy.
Use "Bi care " recommended dosage, spray evenly , generally 10 to 15 days effective .
没有评论:
发表评论