When vegetables are deficient in boron, they often show symptoms such as poor growth, damaged vascular bundles, necrosis of growth points, malformation of vegetative organs, and reduced yield and quality. Such as the lack of boron in celery often causes petiole splitting, radish lack of boron easily cause hollow, black heart, lettuce boron deficiency can easily cause heart leaf necrosis, cucumber deficiency of boron easily cause fruit malformation.
Precautionary measures: (1) Basic application of boron fertilizer. 0.5 to 1 kg of boron fertilizer per acre, mixed with nitrogen, phosphate or organic fertilizer and applied to the soil. (2) Foliar application. After the vegetables show symptoms of boron deficiency, the leaves can be sprayed with 0.1% to 0.2% borax solution. In order to improve the preventive effect, it can be sprayed in the windless evening to prevent the rapid evaporation of the fertilizer. (3) Apply more fully decomposed organic fertilizer to improve soil physical and chemical properties.
Picnic backpack is a type of backpack designed specifically for carrying everything you need for a picnic. It typically includes compartments and pockets for storing food, drinks, utensils, plates, and other picnic essentials.
A typical picnic backpack may include the following:
-
Insulated compartment: This compartment is designed to keep your food and drinks cool for hours. It is usually lined with thermal material to maintain the temperature of the food.
-
Utensil compartment: This compartment is designed to hold utensils such as knives, forks, spoons, and bottle openers.
-
Plate and glass holders: These are usually attached to the sides of the backpack and are designed to hold plates, glasses, and cups.
-
Napkin holder: This is a small pocket or strap designed to hold napkins.
-
Blanket: Some picnic backpacks also come with a built-in blanket that can be rolled up and stored in a compartment.
-
Other accessories: Some picnic backpacks may also include salt and pepper shakers, cutting boards, cheese knives, and other picnic accessories.
Picnic backpacks come in different sizes, styles, and designs. They can be made of different materials such as canvas, polyester, or nylon. Some backpacks may also be waterproof or water-resistant to protect your food and drinks from getting wet in case of rain.
Our factory has years of experiences of making picnic backpack, please send us inquiries if you have any business ideas.
picnic backpacks set, outdoor dining backpack, picnic rucksack with blanket, picnic backpack for 4
ZHANGJIAGANG CITY XIANGLE TOOL CO., LTD. , https://www.xiangletoolbag.com