-
Control Methods and Technical Key Points for Early Blight in Cherry Tomatoes
Early blight is a major disease of cherry tomatoes, widely distributed and commonly occurring, mainly in open fields in autumn, and also occurring occasionally in protected cultivation. Generally 30%-50% of plants are diseased, and in severe cases 100% become diseased, with some branches and leaves necrotizing due to the disease, significantly affecting cherry tomato production. This disease mainly damages leaves, and in severe cases also infects...
-
Key Technical Points for High-Yield Cultivation of Winter Melon in Greenhouses in Early Spring
Trellised cultivation of winter melon in greenhouses not only brings it to market early, but also gives higher early and total yields. 1. Varieties: generally use Guangdong Province green-skinned winter melon, Yichuanling No. 4, etc. 2. Raising seedlings: raise seedlings with heating in early January, using 8×8 cm plastic seedling pots. 1-2 days before sowing, the seeds must be sun-dried; after soaking and disinfecting the seeds...
-
Key Technical Points and Operation Methods for Conservation Tillage of Spring Maize
Maize is a high-yield crop with a relatively large fertilizer requirement and is also very sensitive to medium and trace element fertilizers. Rational fertilization is essential to meet the nutrient needs of maize throughout its entire growth period. According to experiments, producing 100 kg of maize grain requires 2.5 kg of nitrogen, 1 kg of phosphorus, and 2.1 kg of potassium. If the yield is 500 kg of maize per mu, then 3... kg of urea is needed per mu.
-
A Complete Analysis of the Key Technical Points for Soil Testing and Formula Fertilization in Spring Corn
1. Choose suitable varieties. Select suitable and superior varieties according to local conditions; based on heat resources and actual production conditions, choose medium-to-late maturing varieties with a growth period of 120-130 days. Among spring corn varieties with relatively outstanding comprehensive traits, the main one is Nongda 108, etc. 2. Fine land preparation. Spring corn requires deep plowing, and the earlier the autumn plowing...
-
Key Technical Points for High-Ridge, Sparse-Planting, High-Yield Cultivation of Spring Corn
Many excellent spring corn varieties now require high ridges and sparse planting, but farmers generally adopt low ridges and dense planting, so the superior traits of corn cannot be fully expressed, seriously affecting farmers' income growth. This is especially true for excellent varieties such as Dongdan 60, Sanbei No. 6, Dongdan 13, and Zunyan No. 1, whose planting density per mu must not exceed 3000 plants, while...
-
Key Technical Points for Trellis Cultivation of Winter Melon in Autumn
Adopting the new trellis cultivation technique can make full use of available space, save ground area, raise the multiple cropping index, and increase land output. Autumn planting can fill the market's off-season gap and increase agricultural income. 1. Variety selection. Choose small-fruited varieties such as Guangdong Long Black-Skinned Winter Melon. 2. Planting...
-
Autumn Fruiting Management Methods and Technical Key Points for Button Mushrooms
Button mushrooms (Agaricus bisporus) are a medium-to-low temperature type of mushroom. Their fresh mushrooms have a protein content of 35%-38%, and their nutritional value is 4-12 times that of vegetables and fruits. They enjoy the reputation of "health food" and "king of vegetarian foods," and are highly favored by domestic and international markets. When button mushrooms are cultivated in the Beijing area, September-November and April-May of the following year are the fruiting periods. Double...
-
Peach Tree Summer Pinching Methods and Technical Key Points
Peach trees bloom very profusely; how should flower and fruit thinning be carried out? What should be noted? Peach trees bloom heavily and have a high fruit-setting rate, but too much fruit set can affect fruit quality, reduce commercial value, and can also weaken tree vigor and shorten lifespan. Flower and fruit thinning should be done in a timely manner, and earlier is better than later. First thin buds and flowers, then thin fruitlets 1-3...
-
Detailed Explanation of Summer Wax Gourd Cultivation Key Points and Technical Methods
To explore delayed cultivation techniques for wax gourd, farmers in Shanting District, Zaozhuang City, Shandong Province, conducted summer-sown wax gourd trellis cultivation trials from 2004 to 2006, achieving an average yield of 4203 kg per mu, with the market supply period extending from October all the way to mid-December. The main cultivation technical points are as follows. 1. Variety selection: select varieties with thick flesh, hard skin, and compact...
-
Detailed Explanation of Greenhouse Cilantro Cultivation Methods and Technical Points
I. Sowing Cilantro is generally sown from late October to early December. After sowing cilantro and before emergence, apply 250 to 300 grams of 25% nitrofen wettable powder, or 100 to 200 grams of 50% prometryn wettable powder, per mu, mixed with 75 to 90 kg of water, stir evenly, and spray on the bed surface, which can achieve good weed control...
条件筛选