Recently, the editors can always see many street vendors pushing a large cart of cold potatoes on the streets and alleys, and in the season when a large number of cold potatoes are on the mark.......
As the Lidong Festival has passed, the temperature in various places has gradually dropped, the grapes have basically been harvested, and the grape winter cutting is about to begin.
Winter pruning is an important part of the four annual grap.......
As one of the indispensable equipments in the pharmaceutical industry, centrifuges have been developing very strongly. Centrifuges are widely used in the medical field, and blood separation, virus research, DNA research, and drug purification are widely used in centrifuges. Centrifugation i.......
Yellowing of walnut leaves, also known as yellowing disease, is a common disease in alkaline soil. The main reason is that the soil in the walnut seedling orchard is alkaline or contains too much calcium carbonate, which causes the iron in the soil.......
"Returning Yang" fertilizer is also called fruit picking fertilizer. In some places, it is customary to apply fruit picking fertilizer one week before picking. However, in actual production, it is found that fertilizing before picking is .......
Look at the season. Winter temperature is low, plant growth is slow, most flowers are in a state of stagnant growth, generally no fertilization; spring and autumn are in the peak period of flower growth, root, stem, leaf growth, flower bud differen.......
Drinking tea in summer is indispensable, not only to quench your thirst, but also to refresh yourself. Some herbal teas can also achieve health and health benefits. Chinese medicine experts recommend the following herbal teas.
Xiaos.......
1, fertilization. Maize jointing to booting is the period when most fertilizer is needed, especially the large bell-mouth period (leaf age index is about 60%), which is the key period for determining the size of the ear and the number of grains. This period should be re-application of nitr.......
The setting of the air vent is a key part in the construction of the greenhouse. However, due to the difference in the structure of the shed, the position of the air vent is different when it is set.
The can.......
The key to the quality of grape seedlings lies in the management of summer and autumn.
1. Branch management
1. Wipe branches. Generally speaking, the new shoots of grape seedlings grown by cutting seedlings grow to 40-50 cm in earl.......
The main reason for poor corn
1. Adverse weather conditions
The most suitable temperature for flowering and pollination of corn is 22~26℃, and the most suitable relative humidity is 65%~90%.
From the big bell-mouth pe.......