Reasonable watering is an important measure to ensure the robust growth of greenhouse vegetables and increase production. The temperature in winter and spring is low. Watering vegetables in greenhouses depends on the nature of the day, seeing the fields, and watching the seedlings to preve…
After spring sowing, most peasants have a certain amount of surplus fertilizer in their homes. If these fertilizers use some unreasonable storage practices, they will not only cause loss of nutrients and inconvenience for later use, but may also cause accidents such as explosion, burning, …
Nowadays, when the farmers plow in the spring, fertilizer is an indispensable agricultural material for farming. On April 17, the Liaoning Provincial Administration for Industry and Commerce issued 15 types of unqualified fertilizer products. This time, the industrial and commercial author…
Field Convolvulus arvensis L. Alias ​​arrow leaf spin flowers. A convolvulaceae is perennially herbaceous. Rhizome and flower medicine. It is distributed everywhere. Color version 1861486 Symptoms damage the leaves, stems and even the whole plant…
Symptoms The disease mainly occurs on the ear damaged by mechanical damage, pests, or birds, and produces blue-green or green-brown mildew on the grain or between grains, which often occurs at the tip of the ear. The germs invade the embryo, and when the seeds…
At present, most plum gardens contain less than 1% organic matter, and some plum gardens are even below 0.5%. This is far from meeting the requirements of high-quality, high-yield farms. Therefore, the amount of basal fertilizer must be increased. If the dual needs of tree growth and soil …
The scientific name Apophylia flavovirens (Fairmaire) Coleoptera, leaf armor. Common names such as corn borer, yellow rice bug, borer, etc., are similar pests to wheat stem and leaf beetles. The distribution starts from Jilin in the north, arrives in Taiwan, H…
The rootstock and scion incompatibility are the same kind of seedlings with strong affinity and high grafting survival rate; seedlings of different species are difficult or unable to survive. Countermeasures: When grafting seedlings, be sure to use varieties with strong affinity and strong…
Control the amount of nitrogen fertilizer. In order to ensure that green vegetables have better yield and economic benefits, it is necessary to apply nitrogen fertilizer properly on the basis of organic fertilizers, but it is necessary to control the dosage in order to solve the contradict…
From the late August to the harvest, sweet potatoes are in the late growth stage. The main management measures are:
Foliar spray fertilizer for sweet potato sprayed many kinds of foliar fertilizer, commonly used 1% ~ 2% urea solution, 2% ~ 3% of superphosphate calcium leachate, 5% …