-
Detailed Explanation of Integrated Control Techniques for Ginger Bacterial Wilt
In recent years, ginger bacterial wilt has commonly occurred in ginger-producing areas. The disease generally appears in mid-to-late June (after the seed ginger is dug up). In the early stage of the disease, the main symptoms are dead seedlings and rotted hills, and it occurs until the harvest season. In mild cases, the rate of dead hills reaches 30-40%, and in severe cases, the rate of dead hills reaches 80%, causing serious yield reduction and even total crop failure. The pathogen of ginger bacterial wilt can overwinter in seed ginger and soil. When suitable temperatures occur, it spreads through flowing water and underground pests. The pathogen invades through the natural openings or wounds of ginger, causing the collapse and rotting of ginger tissues, and ultimately leading to the death of the whole plant. Therefore, when ginger is planted continuously in the same plot, the
-
Detailed Explanation of Processing Methods for Dehydrated Garlic Flakes and Garlic Powder
The raw materials for dehydrated garlic flakes require a uniform variety, white color, large cloves, normal shape, full maturity, and no disease, insect damage or scars. The garlic skin can be removed by hand or machine, the cloves separated, and then the outer skin of the cloves removed. Cut the peeled cloves into thin slices 2 to 3 mm thick; slices that are too thick are difficult to dry, while slices that are too thin are hard to keep in shape. Soak the cloves in a 0.1% to 0.7% sodium bisulfate or sodium sulfate solution for about 20 minutes for color protection, to prevent the oxidative loss of alliin. After color protection, wash the garlic slices thoroughly with clean water, rinsing away the mucus and
-
Detailed Guide to Preparing Wheat Grain Substrate
Formula and treatment: 100 kg wheat grain, 10-20 kg dried stored fermented manure-straw or rice husk. 1-2 kg calcium carbonate or gypsum powder. Wheat grain is rich in nutrients and promotes vigorous mycelial growth. To prevent premature decline of mycelial vigor, add 50 g magnesium sulfate and 100 g monopotassium phosphate per 100 kg wheat grain for better results. Choose wheat grains that are plump with thick hulls and free of insect damage or broken grains. Generally, aged wheat that has undergone a dormancy period gives better soaking results, absorbing water and softening quickly. Soak the wheat grains in 1%-2% lime water, with the water level higher
-
Study on the Absorption Rate of Cotton to Different Doses of Mepiquat Chloride
The indeterminate growth habit of cotton and its strong plant-type plasticity determine that multiple mepiquat chloride growth-regulation treatments must be carried out during its growth period. This is especially true under the "early, dense, dwarf, film" cultivation model, where directional induction is used to shape a reasonable field structure and obtain the optimal temporal and spatial distribution of cotton bolls. This article uses large-scale spraying machinery and takes Xinluzao 23 as the subject to study the absorption rate of mepiquat chloride by cotton at different stages of growth and development as follows. 1. Selection of spraying machinery: traction power between 30 and 65 horsepower, tank volume between 1.7 and 2.2 cubic meters,
-
What are the control measures for the difficulty of shiitake mushrooms fruiting in bag substrate
In recent years, the "Xixia model" of cultivating flower shiitake mushrooms on plastic racks with bag substrate as the main body has become a model for the south-to-north migration of mushrooms in China, blooming all over the country. However, due to regional climate temperature differences and the fact that mushroom farmers in newly developed areas have little understanding of shiitake mushroom variety types and fruiting characteristics, they used medium-temperature shiitake varieties such as 135, 241, 939, L26, etc., or similar strains, and when forcing fruiting in low-temperature seasons, the abnormal phenomenon of being unable to fruit normally after forcing occurs, resulting in reduced yield in mild cases and loss of capital in severe cases. Now we present our control measures for bag substrate
-
How to cultivate fingerlings after autumn stocking to ensure the survival rate
Doing a good job of autumn intensive cultivation of fingerlings is the key to improving the overwintering survival rate of fingerlings. To improve the environment, before stocking the fingerlings, release half of the original pond water and then add fresh water. Apply 150 kg of fermented manure per mu of pond, once every 9 days, for a total of 3-5 applications. Appropriately apply additional chemical fertilizer mainly consisting of nitrogen and phosphorus; generally apply 1.5-2.5 kg of urea and 3-5 kg of superphosphate per mu of pond, once about every 7 days. After each fertilization, add fresh water so that the pond water transparency remains at 20-30 cm. Every half month, use 10
-
How can easily confused species of premium fish be accurately identified?
With the development of the socialist market economy and the improvement of people's living standards, fisheries production has taken a new leap forward. In particular, in recent years the development of premium fish has been extremely rapid. However, because some premium fish are extremely similar in appearance and rather difficult to distinguish, this has caused certain difficulties for farmers and consumers in purchasing and identifying them. The identification methods for currently easily confused species of premium fish are presented below for reference. 1. Yellow catfish, long-barbel yellow catfish, darkbarbel catfish, and glossy yellow catfish. Among these four fish, the pectoral fin hard
-
What measures can prevent contamination of the substrate bags for tea tree mushroom cultivation
Contaminant organisms can appear during the cultivation of the tea tree mushroom (Agrocybe aegerita), and the following measures should be taken to prevent contamination of the substrate bags. First, add water to the cottonseed hulls 24 hours in advance and pile them for fermentation, raising the substrate temperature to 60-70°C to kill contaminant organisms. Second, after adding wheat bran to the ingredients, the time from mixing the substrate and filling the bags to placing them on the stove for sterilization must not exceed 6 hours, to prevent the substrate from souring. Third, during sterilization, maintain the temperature above 100°C for 24 hours, without letting the fire go out, adding cold water, or letting the temperature drop, so as to achieve thorough sterilization. Fourth, when moving the substrate bags after sterilization, handle them gently to prevent the bags from being damaged.
-
The key to precision sowing of wheat with reduced seed rates lies in accuracy
When mechanical precision sowing with reduced seed rates is used for the three wheat crops, it can save 5 kg of seed per mu compared with conventional mechanical drilling, save 10 yuan in costs, and increase yield by 50 kg. But to truly achieve this effect, the word "precision" must be emphasized during sowing. 1. Fine seedbed preparation. The wheat field soil is required to be "deep, level, fine, and clean," with the mature soil layer reaching more than 8 cm deep, the surface level with no depressions, clods broken down until there are no "egg clods," and no exposed stubble, waste film, or other debris on the surface. Farmyard manure should be applied heavily all at once before sowing.
-
Key Technical Points for the Early-Stage Operation of Edible Mushroom Growing Substrate
Preparing a good edible mushroom growing substrate is very important, as it directly affects the growth of the edible mushrooms and the grower's returns. Here I will use the preparation of growing substrate with Jinbaobei fermentation agent as an example to introduce the key operating points. 1. Material preparation: Prepare Jinbaobei edible mushroom substrate fermentation aid at 0.1% of the substrate weight (that is, one part per thousand; if discarded substrate is being reused, it may be added at 0.2%); pre-soak or rinse the crushed or cut main material in advance to pre-wet it, and adjust the moisture to 60-70% and the pH to about 8. If the moisture is too low, it is not conducive to the rapid reproduction of functional microorganisms,
条件筛选