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What are the key points for field management in the late stage of spring corn?
1. Choose good varieties. Choosing good varieties is the key to achieving a corn harvest; be sure to choose varieties introduced by formal agricultural technology departments, or varieties that have been approved by the provincial seed approval committee. In 2006, what we introduced was "Changxin No. 1," introduced from elsewhere by Danleng County Changxin Seed Co., Ltd. Per mu...
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What are the key technical points for sowing and ensuring seedling survival in spring corn?
1. Enrich the seedling bed: Practice seedling raising on a fertile bed. Choose a rapeseed seedling bed or a dry-raised rice seedling pool as the seedling bed for spring corn. Set aside a sufficient seedling bed according to the ratio. For seedling raising with 5 cm pot diameter, the ratio of seedling bed to field area is 1:20; for large-pot seedling raising with a pot diameter above 7 cm, the ratio of seedling bed to field area is 1:10-15. In early...
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Things to note when choosing seeds for spring-planted corn, these aspects cannot be ignored
How to choose good corn seed is a key issue that affects whether yields can be increased in autumn. When choosing good corn seed, farmer friends should follow these principles: 1. Choose seed according to heat resource conditions. The local heat resources are related to the growth period of the corn variety. Corn varieties with a long growth period have good yield performance and...
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What are the control methods for watermelon fruit hardening in spring
In recent years, protected cultivation of watermelon has developed rapidly in the Jiangsu area. Due to the many rainy days during the growing period, favorable conditions have been provided for the occurrence of watermelon gummy stem blight, and the disease has worsened year by year. Watermelon gummy stem blight mainly damages the stems and vines, and also damages leaves and fruits. When the vines are affected, the disease mostly occurs at the stem nodes near the ground, first appearing as dark green...
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Detailed Explanation of Key Techniques for Spring Watermelon Cultivation
1. Site selection and disinfection: Choose a plot with higher terrain and good drainage as the seedbed. Add 200 grams of "waxy Bacillus" per cubic meter of nutrient soil for soil disinfection. 2. Preventing uneven emergence: When emergence is uneven or there are no signs of emergence, check the seeds in the seedbed. If the tips of the seed radicles are yellow and rotten, it means...
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Symptom Identification and Spring Control of Watermelon Fruit Flesh Deterioration
Symptoms: When watermelon fruits are exposed to the scorching sun, the fruit surface temperature becomes very high, and the fruit tissue is scorched and necrosed, forming a dry scar. Cause: Sunburn is related to variety; varieties with dark rind color are prone to it. Secondly, in hilly areas where the soil is relatively poor, the plants have weak vegetative growth and few vines and leaves, and the disease occurs frequently when the fruits are exposed...
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Control Methods for Sunscald in Spring Watermelons
Symptoms: Watermelon fruits exposed to the blazing sun have a very high surface temperature, and the fruit tissue is scorched and necrotic, forming a dry scar. Causes: Sunscald is related to variety; varieties with dark rind color are prone to it. Secondly, in hilly areas the soil is relatively poor, plant vegetative growth is weak, there are few vines and leaves, and it occurs more often when the fruit is exposed...
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Effective Prevention and Control Methods for Watermelon Fruit Cracking in Spring
Watermelon fruit cracking can be divided into field cracking and harvest cracking. Field cracking is the bursting of the rind under static conditions, mainly caused by sudden changes in soil conditions. For example, if soil moisture is low during a certain stage of fruit development, fruit development is hindered; if rain or heavy irrigation suddenly occurs, soil moisture increases sharply, causing the fruit to expand rapidly and crack,...
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What are the methods for preventing watermelon fruit cracking in spring
Watermelon fruit cracking can be divided into field cracking and harvest cracking. Field cracking is the bursting of the rind under static conditions, and its main cause is a sudden change in soil conditions. For example, if soil moisture is low during a certain stage of fruit development, fruit development is hindered, and then rain or heavy irrigation suddenly causes soil moisture to surge, the fruit rapidly expands and cracks,...
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How to effectively prevent and control hollow heart in spring watermelons
Symptoms: Gaps or hollow cavities appear in the flesh inside the watermelon fruit. Causes: It occurs easily when fruit is set at low nodes, when excessive nitrogen nutrition causes rampant vine growth, or when fruit set is poor and leaf area increases. The main cause is excessive accumulation of nutrients in the plant. Hollow fruit usually shows longitudinal grooves on the fruit surface, with thick rind, irregular fruit shape...
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