How to increase the yield of bitter gourd in greenhouse
How to increase the yield of planting bitter gourd in the greenhouse? In order to increase the yield of bitter gourd, field management is very important, and the following key technologies should be grasped. The cultivating and weeding soil is generally carried out after the planting and pouring of the seedling water, and the first cultivating is carried out when the topsoil is slightly dry and not sticky. If the windy day or the soil is dry, the water can be re-irrigated once and then cultivated. The second cultivating can be carried out 10 to 15 days after the first ploughing. This cultivating should pay attention to the protection of new roots.
Each time the cultivating can be combined with some high-quality farmyard manure: such as cake fertilizer, all kinds of poultry hair and decomposed chicken manure, pig manure and so on. After the erection, when the vine grows more than 50 cm, the roots are basically covered with the whole line, and it is generally not suitable for cultivating. But pay attention to the timely removal of weeds. In the first cultivator, if the seedlings or weak diseased seedlings are found, they should be replanted in time to preserve the seedlings.
Racks and pruning When the seedlings grow to about 20 cm, they need to be trussed. There are two types of scaffolding: flat scaffolding and herringbone. The flat scaffolding is ventilated and ventilated, with many knots and high yield. The flat scaffolding is divided into a flat flat scaffolding and a flat flat scaffolding. The slab flat scaffolding is generally in the melon row, every 3 to 4 meters, a wooden stake is piled up, and the wooden piles of the whole field are connected by a small bamboo, a small wooden stick or a nylon net, and the shed is about 2 from the ground. Around the meter;
Separate flat scaffolding is generally a shed with two rows of melons, and the shed is 1.5 to 2 meters high. The scaffolding must strive to be firm, to avoid the wind blowing down, and damage the melon seedlings, affecting the output. In the early stage, it is necessary to pay attention to artificial tying vines. After the bitter gourd is put on the shelf, the main vine can not be kept under 50 cm. The female flower should be removed to facilitate the overall development. After the main vine sits 6~7 melons, leave 5~6 leaves to top, and remove the remaining vines.
Fertilizer management bitter gourd has a long growth period and the harvest period lasts for more than 3 months. Therefore, it is necessary to ensure sufficient supply of water and fertilizer, especially in the fruiting period. If it is dry, water should be poured every 7 days. Before watering, urea or compound fertilizer should be combined with 7~10 kg per mu. If it is rainy, it should be treated with sputum; at the same time, foliar potassium dihydrogen phosphate should be sprayed 2~3 times.
Pest control Pesticide disease mainly includes anthrax, more than in the middle and late stages. Prevention and treatment should promptly remove residual, rotten and diseased leaves. It can also be sprayed with 50% thiophanate 800~1000 times solution or 70% chlorothalonil WP 600 times solution in the early stage of the disease. The pests mainly include aphids and cabbage caterpillars, and the enemy can kill the emulsion 1000~2000 times. Foliar spray of liquid or 40% dimethoate 1500 times solution.
The timely harvesting of the fruit on a bitter gourd is mature. At the end of the season, you should pick a mature melon every day; use scissors when picking up, so as not to tear the melon. At the same time, remove the miscellaneous melons, choose the color and melon shape to keep the seeds, and pick them up on the same day. Take the seeds and wash them on the same day to ensure the seed germination rate.
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