Six measures in melon garden to make melons and fruits sweeter
Enlarging the diurnal temperature difference is beneficial to the accumulation of photosynthates (sugars). In the fruiting period of muskmelon, the diurnal temperature difference should be enlarged as much as possible. Generally, the temperature in the greenhouse is kept at 30 ℃-35 ℃ during the day, 13 ℃-14 ℃ at night, and the temperature difference between day and night is 16 ℃-18 ℃.
Less application of chemical fertilizer, heavy application of organic fertilizer is mainly organic fertilizer, no or less application of chemical fertilizer is another effective measure to improve the sweetness of muskmelon. General organic fertilizer to chicken manure, bean cake-based, can be 15 cubic meters per mu of chicken manure, bean cake 100-150 kg.
Results the sweetness of muskmelon decreased significantly under the condition of high soil nitrogen and low potassium. Therefore, the amount of nitrogen fertilizer should be reduced and potassium fertilizer should be increased during the melon fruiting period. Potash fertilizer 8-10 kg per mu or high potassium compound fertilizer 20 kg per mu can be applied in the early stage of melon.
Excessive soil moisture before melon ripening will not only reduce the sweetness of muskmelon, but also prone to "rotten melon". In particular, melons must pay attention to water control within 10 days before ripening.
Keep sufficient light shed film to wipe frequently, muskmelon around the shaded leaves should pay attention to thinning, in order to enhance the light transmittance between plants.
In general, it takes 30-35 days for melon to fully mature, high sugar content and good flavor. However, at present, some melon farmers often harvest early in order to go on the market early, which seriously reduces the sweetness of melons. Therefore, timely harvest is the most basic measure to ensure the sweetness of muskmelon.
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Control techniques of Diseases and insect pests in Pear Orchard
At present, when the pear orchard is in full bloom, fruit growers should timely control the following diseases and insect pests at the end of pear flowering: pear gall mosquito and pear planthopper: according to the flowering situation of pear trees, spray control in time at the end of flowering. The medicament can choose 10% Shenjian 1500 times liquid plus 10% Shijia pyridine 2000 times liquid. Pear rust and pear scab: timely spray control at the end of pear flowering. The medicament can choose 15% Fenjingning 1500 times liquid or 45% Dasheng 800-1000 times liquid, add 105Gao 60
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Technical service schedule for the construction of Golden Pear Base
First, the schedule of technical services for the establishment of the garden in September: centering on soil improvement and fertilization, training in planning and laying out, trench-type soil improvement and fertilization, irrigation and ridging; in October, supervision and guidance of large-scale soil improvement and fertilization work to ensure high-quality completion of soil improvement tasks; November: around seedling planting, carry out pollination tree configuration, seedling planting, irrigation and other technical training; December: check the implementation of technical measures for the establishment of the garden and point out the existing problems. Technical service schedule after the construction of the park January: winter shaping and pruning technical training; February: inspection
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