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Where is the dark brown soil distributed in China? What is suitable for growing?
Dark brown soil is a zonal soil developed under temperate humid monsoon climate and coniferous and broad-leaved mixed forest. it is an independent soil classified by brown forest soil after the founding of the people's Republic of China. The total K content is 15.7-19.3, the profile configuration is O-AB-Bt-C, the surface humus accumulates, and the whole profile shows
2020-11-09 Dark brown soil distribution in our country which areas are suitable for planting -
Nutritional value of vegetables: which is higher, dark vegetables or light vegetables? Which is better, dark vegetables or light vegetables?
Dark vegetables, as the name implies, refers to darker vegetables. Dark vegetables tend to contain more chlorophyll, carotene and other substances than light vegetables.
2019-02-22 -
Dark Tribes Division Marcus
"Taiwan's most profitable tribe" Dark tribe Division Marcus annual suction 20 million Hsinchu County Jianshi Township Division Marcus was once known as "Dark tribe Division Marcus", but this place with the latest electricity in Taiwan, today depends on the cooperation of all residents, a year...
2018-07-03 -
Why do dark vegetables have higher nutritional value than light vegetables?
Dark vegetables, as the name implies, refers to darker vegetables. Dark vegetables tend to contain more chlorophyll, carotene and other substances than light vegetables.
2019-02-23 -
Control of Dark Gill Beetle in Peanut Field
Dark Gill beetle is the dominant population of peanut in Xinyi area. Its larvae (grubs) not only seriously harm peanut pods, but also damage crop roots in soybean, corn, sweet potato, traditional Chinese medicine, flowers and seedlings. Production should be based on the occurrence of dark Gill beetles.
2020-11-08 Species peanut field dark field dark Gill beetle control -
The nutritional value of dark vegetables is greater than that of light vegetables.
The nutritional value of vegetables can be distinguished only by the color of vegetables. It is well known that there are many kinds of vegetables that people often eat, but the colors of all kinds of vegetables are different.
2019-02-23 -
Control of Violet bacterial Rot
Symptom-nbsp; shape: the disease occurs at seedling stage and adult plant. When the seedlings fell ill, the main stem of the disease showed water-stained dark green soft rot, and then turned dark brown. The disease occurs in the adult stage, and the disease spot appears in the stem near the ground. The disease spot is irregular or surrounds the stem, dark brown, slightly sunken and cracking, resulting in plant death and pus in the disease.
2018-12-19 -
Is it true that the nutritional value of dark vegetables is greater than that of light vegetables?
The nutritional value of vegetables can be distinguished only by the color of vegetables. It is well known that there are many kinds of vegetables that people often eat, but the colors of all kinds of vegetables are.
2019-02-23 -
Is the disease can not avoid Dahlia suffering from dark stripes how to do?
Now is the active season of Dahlia, Dahlia is gorgeous and fascinating, which is one of the reasons why many people love it. But the editor has also heard the "worries" of many flower friends and some difficult problems about the maintenance of dahlias. ...
2018-10-24 -
Jiuhong Chunlan
Xingyi County, Guizhou Province, native species under the mountain purple safflower lycopene (Chunlan): first, flowers: fleshy lotus-shaped petals, lip full red, obvious veins, the whole flower color is bright and dark rose red. Round tongue and flat shoulders, the middle palace is full, the flowers are well guarded. Second, leaves: mature leaves are thick and dark, dark green, seedlings dark purple, heavy color, few leaves, normal.
2018-02-24 -
Control methods of leaf roll moth
Control methods of leaf roll moth
2018-08-09 -
Characteristics of beet armyworm: what are the larvae and adults of Spodoptera exigua
Beet armyworm is a pest, we know it, but do you know its ecological habits and morphology? Let's take a look. Ecological habits: the adults of beet armyworm lie dormant during the day and go out at night, live on the back of leaves or in the dark during the day, and begin to move and mate after sunset.
2019-01-20 Beet nocturnal moth characteristic larva and adult what kind of -
What are the characteristics of Robinia pseudoacacia?
Black locust diamondback moth, also known as bean diamondback moth. It is mainly harmful to Robinia pseudoacacia, soybeans, vines and so on. The larvae feed on the leaves, and in serious cases, the leaves can be eaten up. The adult worm has a body length of 40mm to 50mm, a wingspan of 100mm to 120mm, yellow-brown body wings, dark purple of the head and forechest dorsal plate, a pale white semicircular spot near the center of the forewing, six wavy stripes on the wing surface, and a dark brown twill on the top of the wing to divide the top angle into two parts; the rear wing is dark brown and dark brown in the middle. Egg, oval, yellow and white. Larva, the last instar is about 80 mm.
2019-01-15 -
Soybean bacterial spot disease
Symptoms: damage to seedlings, leaves, petioles, stems and pods. The cotyledons of the seedlings were infected with semicircular or subcircular brown spots. Leaves infected with primary chlorosis irregular small spots, water stains, expanded polygonal or irregular shape, the size of about 3-4mm, dark brown to dark brown in the middle of the disease spot, with a narrow halo ring on the periphery, and the disease spot fused into dead patches. The stem was dark brown water-stained strip at the beginning of the disease, irregular after expansion, slightly sunken. Dark brown strips infected with pods and beans
2019-01-16 -
Methods and techniques of hydroponic culture of hyacinth
1. After receiving the ball, do not rush to open it, you should pay attention to protective measures, because some flower friends are allergic, so it is best to wear gloves, or hold hands in a plastic bag, then unpack, and then soak the ball in a carbendazim solution prepared in advance for 10-20 minutes of disinfection and sterilization.
2018-12-23 -
How to identify tomato late blight
Late blight: the whole growth period and leaves, stems and fruits can be damaged, especially leaves and green fruits. The disease of seedlings generally appeared dark green watery spots from the leaves, and then extended to the stem, showing dark brown rot near the petiole. with the development of the disease, the base of the young stem was waterlogged constricted and the plant wilted and collapsed. The disease in the adult stage starts from.
2018-09-11 -
What's with the dark spots on the green apple leaves?
Most of the green pineapple breeding partners will find that their green pineapple is not green all over the body, but has black spots. What on earth is going on? In fact, there are several reasons: the most common is leaf spot disease, in addition, if the air is too closed, the light is not enough, the environment is not warm enough may also cause this disease. Next, let's take a look at how to solve it.
2018-04-17 -
How is eggplant stem and leaf long spot to return a responsibility after all?
The small spots on eggplant leaves are light in the middle and dark brown on the edges, and the larger ones are irregular. There are also many small black spots on the disease spot. Many petioles have dark brown necrotic spots. After the stem disease, also has the dark brown disease spot, the disease spot is also the edge dark brown, the middle color is lighter, above also dense small black spot.
2018-09-11 -
How to make the magnolia quickly draw arrows and move to the dark environment to maintain the most commonly used?
How to make the magnolia quickly draw arrows and move to the dark environment to maintain the most commonly used?
2019-12-03 -
What is purple potato made of? How to plant purple potatoes and when to harvest them
Purple potatoes, also known as Peruvian purple potatoes, have natural purple or dark blue skin and flesh, and are unusually high in antioxidants, which makes them very healthy. Their unique colors come from natural anthocyanins; some Peruvian potatoes are natural.
2019-04-27 Purple potato what is it formed how planting purple