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Analysis of the Causes of Cowpea Summer Decline and Preventive Measures
During cowpea cultivation and production, if the stems and vines grow too vigorously, they can flower and set pods continuously, but after one heavy yield, the plant grows weakly, the leaves turn yellow and drop, the root system grows poorly, and pod setting decreases. This phenomenon is called summer decline. So what causes cowpea summer decline?
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Nine Practical Methods to Prevent Summer Decline in Bees
"Summer decline" is generally caused by high temperatures. To avoid and reduce "summer decline," the key is to do a good job of heat prevention and cooling for the colony, creating a suitable microclimate for the bees. The specific measures are as follows: 1. The summering apiary should be set under large trees or in a bamboo grove, in a ventilated and shady place, avoiding direct sunlight. The hive entrances should face south with the backs to the north. 2. Build a shade shed over the hives and cover it with straw, and plant crops such as pumpkins, hyacinth beans, and loofahs to let their vines climb onto the shed, increasing the shading layer. 3. Place a water-soaked sponge between the inner cover and the outer cover of each hive, which can
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How to prevent summer decline in bees? Lack of nectar sources and low egg-laying by the queen are the main causes
How to prevent summer decline in bees when nectar sources are lacking in summer and the queen lays few eggs
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Summer Tomato Cultivation Techniques to Prevent Vine Decline
How to prevent vine decline in summer tomatoes? Here are the methods. In summer, high temperatures and frequent rain cause severe vine decline in tomatoes. During the over-summering period, the "two changes, three timely" management measures should be adopted to prevent vine decline. Change the cultivation method: change flat-bed cultivation to ridge cultivation, which can prevent tomato roots from being waterlogged and declining. For those already using flat-bed cultivation, you can...
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Summer Grain Purchase Investigation: Grain Prices Open Low and Move Steadily, Farmers Panic-Selling and Holding Back Both Decline
Grain prices opened low and are moving steadily, enterprises are more rational in purchasing, and farmers panic-selling or holding back are both decreasing. Near noon, at the "Zhongyu contract high-quality wheat" purchasing point in Binzhou, Shandong, 45-year-old Hu Fuhua sits on a tricycle, waiting to sell grain. With a towel draped around his neck, he wipes the sweat from his face
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China's summer grain state reserve purchase volume fell 23% year-on-year this year
Since Sinograin launched the wheat state reserve purchase in Jiangsu, Hubei, Anhui, Henan and Shandong at the end of May, and launched the early indica rice state reserve purchase in Anhui, Jiangxi, Hunan and Hubei at the end of July, the purchase work has been steady and orderly, and has now entered its final stage. As of September 10, Sino
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