Abstract
The sources of nutrient accumulation in beans and bean seeds are the process of photosynthesis, root nutrition during the seed filling period, as well as the reutilization of substances accumulated in the vegetative organs in the previous period. The close dependence of the competition intensity on the number of plants per unit area of sowing is revealed. It was found that although increased nitrogen doses significantly reduce the competitive mutual inhibition of plants, it begins earlier than with a low nitrogen nutrition level. The main factor for which bean plants compete during the emergence-beginning of flowering phase under normal cultivation conditions is the available soil nitrogen. Therefore, the nitrogen fertilizers rational use leads to a more complete phenotypic manifestation of the vegetable beans genetically determined productivity.
Highlights
The sources of nutrient accumulation in beans and bean seeds are the process of photosynthesis, root nutrition during the seed filling period, as well as the reutilization of substances accumulated in the vegetative organs in the previous period
We studied the effect of mineral fertilizers on the yield of vegetable beans, depending on the competition between plants in crops in the central zone of the Krasnodar Territory
Plants growing at the seeding density of 19 plants per 1 m2, and the dose of 110.4 g / m2 of ammonium sulfate by dry weight were close to the plants of 4 times scarcer seeding against a background of 27.6 g/m2 (NH4)2SO4, and with 15 plants per 1 m2 their weight under conditions of high nitrogen dose was equal to the weight of plants growing at the density of 10 plants per 1 m2, and 4 times less provided with nitrogen fertilizer
Summary
• These data contain recommendations for bean sowing schemes to ensure optimal feeding area for plants. • These data can be useful for understanding the effect of the solution concentration used in foliar nutrition on the total nitrogen, starch, protein and dry matter content in seeds. • These data can be actively used to determine the timing and rates of mineral nutrition application to plants. • The data obtained can support agricultural researchers working in the field of legumes vegetable production.
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