Legume vegetables refer to the annual or biennial herbaceous plants of the leguminous family and are mainly eaten with fresh bean pods and tender bean grains. The straight roots of legumes are well developed, and they all have symbiotic nodules of different shapes. The ratio of nitrogen, phosphorus, and potassium is 1:1:1, and trace elements such as molybdenum, boron, zinc, and copper are also needed. Beans and vegetables are fertilized with the goal of increasing production.
To obtain high quality, high yield, and high efficiency in the production of legumes and vegetables, it is crucial to carefully master the techniques of efficient and efficient fertilization and effectively reduce production costs.
1. Definite the characteristics of fertilizer requirements and set fertilizers as required. The roots of legumes are well developed, with nodule symbiosis of different shapes, have a nitrogen fixation, can fix nitrogen in the air and soil for their own use, the requirements for soil nutrients are not very strict, but they are also high in demand. The demand for vegetables and vegetables, especially for phosphorus and potassium, is greater. Production promotes stable application of basal fertilizer, generally based on soil fertility status, per 667 square meters (1 acre) on the basis of high-quality decomposed organic fertilizer 2000 to 2500 kilograms, based on 25 to 35 kilograms of bean special fertilizer. However, care should be taken not to use unripe organic fertilizer as a basal fertilizer, otherwise it will lead to bad seeds and affect the yield and quality.
2, grasp the key period of fertilizer, sub-fertilizer. Focus on the application of seed fertilizer, bean sprouts began to flower bud differentiation shortly after sowing, into the development period, the application of seed fertilizer can ensure the early development needs, generally apply 4 to 5 dry grams per 667 square meters of three-element compound fertilizer, pay attention to seed fertilizer separate. Seedling rhizobia are weak in nitrogen fixation. Appropriate topdressing can promote early seedling emergence. It can apply 8 to 10 kg of special fertilizer for soybeans per 667 square meters. Flowering and podling period is the period of vegetative growth and reproductive growth. It requires large amount of fertilizer. It can apply 20 dry grams of special fertilizer for every 667 square meters of soybeans to make flower topdressing to reduce the loss of calyx and increase fertilizer stamina to achieve enhanced fruiting. And prevent premature aging. The application method promotes ditching along the side of the root to reduce the loss and increase the fertilizer utilization.
3, master two fertilization principles. Mainly organic fertilizer, supplemented by chemical fertilizers; basal fertilizer mainly supplemented by topdressing, pay attention to foliar fertilizer.
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