Answer: after wheat in jointing-booting stage, subject to such as the heavy, sheath blight, rust and powdery mildew, spike aphid, armyworm, sawfly, mic spiders and other diseases;Also affected by the bad climate dry, hot wind, etc, on the other hand, due to irrational fertilization of wheat variety TanQing, these factors will influence the yield of wheat.This would require the use of pesticides, fungicides, prevention and treatment of foliar fertilizer, insect-resistant, medicine, nutrition, prevent the dry-hot wind, prevent TanQing late, lodging, increase grain weight problems, such as a solution."Three prevention" a spray duration generally booting - in - booting stage and jointing stage and milking stage 2-3 times, commonly used drug kung fu + three azole fungicide imidacloprid + + potassium dihydrogen phosphate/medium trace element fertilizer, etc., for full protection and prevention.
Q: tomato dehiscent fruit, how to control?
A: tomato fruit cracking and abnormal climate change, rapid moisture evaporation temperature, high temperature encountered some cold water, in the fruit of fruiting and turn period, timely spraying boron calcium fertilizer and chitin and rotating the spraying potassium dihydrogen amino acid mixture, enhance the resistance of plant.Water avoid high temperature, water to water, in the spring of tomato in growing process is indefinitely, fulvic acid, humic acid fertilizer nutrition supplements, cooperate with calcium fertilizer in the root growth and nutrient absorption, low water or irrigation.
Q: what's wrong with pepper and yellow leaves appear at the top of the blade is?
A: this is a yellow tea mite, typically suffer back in beige or brown.Yellow tea mite strong tender sex, always with plant growth and metastasis of the hazards.Daily attention to enhancing the plant monitoring, the field not too dry, prevention and control of in point occurs in a timely manner.Agents available: diphenyl hydrazine ester + 50% ethyl mite azole compound with hydrazine, biphenyl ester + benzene Ding Xifu match, biphenyl hydrazine ester ether + pyrazole c, biphenyl hydrazine ester + 4 mite lamictal, enjoying a + b mite azole, avi + dalai mite spirit, avi + screw mite ester compound with the above ingredients such as potions, mainly in the upper part of young plant area when spraying, the place such as back, 7 days to prevent again, generally 2-3 times can be controlled.When spraying, it is suggested that you can add some seaweed acid, chitin and other foliar fertilizer, promote the growth of leaves and stretching.
Q: cucumber seedlings what is going on?
A: this is water retting root caused too much too frequently.First of all should be watered control, reduce the humidity and raise the temperature, at the same time, with 30% fine armour evil, mildew + solution of bacillus filling root starch processing, with watering can spray seedling dish can also, promote root disease prevention.
Q: the leaves of watermelon are dry, what is going on?
A: look from the figure, have spirit of performance, very dry.For now, it is recommended that the spraying cytokinin + microelement amino acid, chitin alginate, promote root growth, ventilation rationalization Suggestions, avoid sudden snort at high temperature, etc., the plant can ease, influenced by pollen, mainly to avoid watering.
