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What is the function of black-and-white film? Main functions and uses explained
Black-and-white film has a warmth-preserving effect in winter. Its uses in our country are very widespread, including edible mushroom greenhouses, livestock and poultry breeding sheds, silkworm sheds, vegetable greenhouses, etc. Other greenhouse films: 1. Blue agricultural film This color of greenhouse film has good insulation performance; its light transmittance is higher than ordinary film under weak light conditions and lower than ordinary film under strong light conditions. It is suitable for covering rice seedlings, which can increase tillering, make the seedlings grow short and sturdy, and significantly improve both the seedling survival rate and seedling quality. When used to cover crops such as vegetables, cotton, peanuts, potatoes, and strawberries, it also has obvious yield-increasing and quality-improving effects.
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Try this effective formula for controlling pear psyllids
In mid-March, during the peak emergence period of overwintering adults, spray 90% acephate (Nuodeshi) soluble granules at 1500-2000 times dilution for control; when pear psyllids occur severely, spray 240g/L spirotetramat at 4000-5000 times dilution or 90% acephate (Nuodeshi) soluble granules
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When is the best time to top-dress winter wheat?
Winter wheat should be top-dressed at the seedling stage, overwintering stage, greening stage, jointing stage, booting stage, and after heading. Apply farmyard manure at the seedling stage, ammonium bicarbonate or urea from the overwintering stage to the booting stage, and urea after heading. If the base fertilizer and seed fertilizer are relatively sufficient, there is no need to top-dress at the seedling stage;
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Detailed Guide to Winter Flower Planting Methods and Management Techniques
In mountainous areas, select a loose and fertile sunny slope plot or sunny slope lowland, deep plow and fertilize, and prepare field beds and drainage ditches according to the terrain. After the seeds mature, treat the seeds and evenly broadcast them on the bed surface, then cover with soil and a layer of rice straw. After a week, the seedlings will emerge.
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When does red plum blossom bloom? Which months are the usual flowering period
Red plum blossom (Prunus mume) generally blooms in late winter in January-February or in early spring in February-March, but because the climate varies from place to place, the flowering time also differs. For example, in the southwest region red plum blossom generally blooms from December to January of the following year, while in central China it generally blooms from February to March. When it blooms, the flowering period can last about 20 days
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When is the blooming period of winter jasmine?
The scientific name of winter jasmine, with the alternative names Yingchun, Huang Suxin, and Golden Belt, is a deciduous shrub that grows in clumps. The plant height is 30-100 cm. So when is the blooming period of winter jasmine? 1. The blooming period of winter jasmine. Winter jasmine generally blooms around February to March in spring, and its blooming period is
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A Detailed Guide to Winter Melon Planting Time and Technical Points
Winter melon is a green and healthy vegetable, and many families use it for cooking and making soup. Eating more winter melon can clear heat and reduce swelling, and it is rich in nutrients, so many farmers grow winter melon. Let's take a look below at the planting time and techniques for winter melon. 1. Planting time Winter melon is
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When Is Wheat Harvested in the South?
Winter wheat generally matures and finishes harvest from late June to early July of the following year; spring wheat generally matures and finishes harvest from mid-July to late August. Wheat harvest in the south is earlier than in the north, and the further north you go, the later the harvest time. 1. What is wheat
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What to Do When Winter Jujube Turns White? Key Points of Control Techniques Explained
When winter jujube fruiting enters the white-ripening stage, management must be emphasized, as it affects the color and ripening of the jujubes in the later stage. Today we will briefly understand the key points of winter jujube turning white techniques. Key points of winter jujube turning white techniques: 1. When winter jujube turns white, the chlorophyll in the peel decreases
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Tomato Freeze Damage: Prevention and Control Methods and Precautions
In winter, tomatoes are susceptible to low-temperature freeze damage, which causes fruit to spoil and drop, resulting in serious economic losses for vegetable growers. So in winter we must take effective measures to strengthen the cold resistance of tomatoes so that the leaves, flowers and fruit are not damaged by freezing. So what
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