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Key Techniques for Plastic Film Mulch Cultivation of Spring Peanuts
The plastic film mulch cultivation technique for spring peanuts is one of the "Top Ten" advanced agricultural technologies promoted by the Ministry of Agriculture. It was introduced to our city for trials in 1998 and began demonstration and extension in 1999. Years of practice have proven that this technique is indeed an important measure for improving peanut yield and quality.
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Occurrence of Spring Frost Damage in Wheat and Remedial Measures
Every year in February and March of spring, cold air frequently breaks out and moves southward in the north, with a large temperature drop during the process, and wheat that has jointed too early often suffers frost damage. At this time, for seedlings growing too vigorously, the method of pressing should be adopted to inhibit growth; for weak seedlings, reasonable topdressing should be applied to promote weak ones into strong ones
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Spring field management for winter wheat: remember these eight key points
Spring is the critical period that determines the number of spikes per mu, the number of grains per spike and grain weight in wheat. Strengthening spring field management according to seedling conditions is the key to achieving high wheat yields. In terms of management, the eight key points of pressing, raking, clearing, topdressing, watering, controlling, preventing and protecting should be implemented as priorities. Pressing: namely early
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How to prevent and control spring soybean virus disease? Detailed explanation of occurrence patterns and control methods
Viral disease is a major disease of spring soybean, causing about 15% yield loss in normal outbreak years and over 50% yield loss in severe outbreak years. 1 Symptoms After spring soybean is infected, the upper leaves first show light yellow-green mottling, and the mesophyll bulges in a blister-like manner along the veins; then the mottling and wrinkling become increasingly severe, the leaves become deformed, the mesophyll protrudes, the leaf margins curl downward, plant growth is clearly stunted, the number of pods decreases, the pods are small and slender, and the pods show deformed symptoms such as flattening and bending. After infected spring soybean matures, the seeds are clearly smaller, and light brown streaks can appear on the seeds.
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Key Technical Points for Spring and Summer Field Management of Navel Orange Orchards
Spring comes early in southern Jiangxi, warm and rainy. From March to June, navel oranges are in the phenological stages of spring shoot growth, flowering and fruit set, and the first and second physiological fruit drop. This is also the dangerous period when more than 10 kinds of pests and diseases, such as citrus flower bud midge, mites, scale insects, tortrix moths, longhorn beetles, anthracnose, resin disease, and canker, rapidly multiply, spread, and proliferate.
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Key Technical Points for Spring Management of Apricot Trees in Greenhouses
In winter-warm greenhouses, the fruit development period of apricot trees runs from mid-February to the end of April. This period is divided into three main developmental stages. The first stage is the first rapid growth period of the apricot tree and the new shoot growth period, lasting 28-34 days; the second stage is the pit-hardening period, lasting 8-12 days; the third stage is the apricot
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Three Key Measures for Autumn Management of Apricot Trees
The apricot tree is the earliest fruit tree to bloom in spring, and it also leafs out first and then flowers. The nutrients needed for flower organ formation depend on the accumulation in the tree body from the previous autumn, so good autumn management plays a decisive role in the flower organ structure and fruit set the following spring. Autumn management of apricot orchards should
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Key Points of Early High-Yield Cultivation Techniques for Peach Trees
In the spring of 2002, a peach orchard of 0.67 hm2 was established in Yutian County, Tangshan City, with the cultivars Shijiwang Tao and Shijihong Tao. In 2003, the average yield per 667 m2 was 890 kg; in 2004 it reached 2400 kg; and in 2005, 2006, and 2007 the yield stabilized at 3500 kg. The specific management techniques are described below.
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Angelica dahurica Cultivation Experience and Key Planting Techniques
This spring and summer, the nationwide climate has been abnormal, with large areas affected by drought and long duration. Angelica dahurica production has been affected to some extent. Currently, the market supply of new goods is low, and most of the supply has been purchased by medicine dealers in the production areas. The movement of old stock has also turned from sluggish to smooth. Angelica dahurica prefers a warm and humid climate and an environment with
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What are the key technical points for spring management of apple orchards?
I. Orchard sanitation: In combination with winter pruning, saw off rotten and diseased dead branches, cut off branches with woolly apple aphid galls, and thoroughly clean the orchard. Clear away fallen leaves, dropped fruit, residual branches and rotting bark, then bury them in pits or burn them to reduce the source of pests and diseases. In late March, when the buds show green, spray to sanitize the orchard.
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