The article describes the effect of mineral fertilizers on the cultivation of dyed Indigofera (Indigofera tinctoria L.) and henna (Impatiens balsamina L), the amount of their application and the ratio of basic nutrients (nitrogen, phosphorus and potassium) related. It has been established that the adequate development of Indigofera and henna plants depends on the ratio of mineral fertilizers used.
The article presents the data on seed germination of Salvia officinalis L. in laboratory and field conditions. The mass of 1000 seeds of the plant is 7-8g. It has been revealed that the optimal sowing time for S. officinalis L. is the spring period. At the same time, laboratory and soil germination of freshly harvested seeds of S. officinalis L. constitutes 70-85%. Plant seeds sprout 15-20 days after sowing. Plant safety in the conditions of Tashkent oasis in the aisles is 70-80%. In the first year of life, plants do not enter the generative phase of development. In recent time, a collection of this plant has been created and methods of mass reproduction, as well as agricultural measures, are being studied.
KEYWORDS: Salvia officinalis L., field, generative, reproduction, seeds, biology, raw material.
The article states that the Coriandrum sativum L. plant can be used as an intermediate crop in the establishment of plantations. Experiments have shown that the use of intermediate crops in the cultivation of cashmere (Coriandrum sativum L.) on plantations has yielded effective results. In particular, in the cultivation of Coriandrum sativum L., the use of intermediate crops for one year increased the yield to 6%, and in the case of continuous crop rotation using intermediate crops, this figure increased to 12-14%. The use of intermediate crops in the cultivation of medicinal and spice plants is important not only to improve the structure of the soil, but also to increase its economic efficiency.
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