How to Manage Peanuts in the Later Period

The spring sowing of peanuts has entered the period of fruit pin down, and the (spring) wheat sets and the summer sowing peanuts have entered the flowering stage. It is the period of vegetative growth and reproductive growth. It is also the most sensitive period for water and fertilizer, and its main measures:

First, reasonable irrigation, wheat mulching coverage

According to the characteristics of growth and development of peanuts, the plants grew faster at this stage, and the plants flowered in large numbers and formed fruit spikes. The nutrient increased sharply. It was also the critical period of water demand, the leaf area coefficient increased, the transpiration was intense, and the drought was aggravated. It should be based on the situation of the seedlings. Lyrical irrigation should be carried out in real time to maintain soil looseness, promote flowering and lowering of fruit needles. After irrigation, wheat stubble should be applied between rows to ensure soil moisture and weight gain; or in deep-medium tillage and soil ridges before peanuts are sealed to reduce no effective needles. Increase the number of results.

Second, scientific fertilization, timely control

Insufficient fertility, insufficient base fertilizer, impeded growth and development of peanuts, should reapply spent stalked fertilizer, usually 10-15 kilograms of urea, 10 kilograms of diammonium phosphate, 10 kilograms of potassium sulfate, and sandy soil. Can be divided into two applications, with an interval of 15-20 days is appropriate, to reduce water and fertilizer leakage; better soil, and the field has been topdressing early, can be appropriate to recover a small amount of fertilizer, the general urea urea 7.5-10 kilograms, Or two press 7.5 kg, potassium sulfate 7.5 kg, and should vigorously promote foliar spray fertilizer, especially sand, organic matter lacking in the soil, spray 600-800 times organic humic acid potassium leaf fertilizer, add and mix 0.1 -0.2% ammonium molybdate supplements nutrition, increases drought resistance, resists disease, promotes fruit pin down, pods inflates, sprays once every 10-15 days, sprays three times in succession, and shows fragrant for boron deficiency. In the plot, 0.2% borax was sprayed twice between the beginning and the full flowering period to promote flowering and reduce no effect. If 1% of urea is added to the weak growth, it will enhance growth.

For fields with good water and fertilizer conditions and a prosperous phenomenon, 40-50 days after flowering, a large number of fruit needles have been buried, the plant height exceeds 40 cm, and 15% paclobutrazol is sprayed with 50 grams of water and 40-50 kg of water is sprayed. When the amount of drought can be reduced, sprayed paclobutrazol has a significant increase in production and promote the role of early maturing, we must pay attention to timely harvest to prevent fruit drop.

Third, prevent pests and diseases

Because of drought, aphids and cotton bollworms are prone to occur, and peanuts are also prone to diseases such as leaf spot, rust, and virus diseases.

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