Agronomically, it is convenient to divide the life cycle of rice in terms of three phases – vegetative, reproductive and ripening phase. Development in each phase is further divided according to 0-9 numerical scale to identify the growth stages of a rice plant. Each number in the scale corresponds to a specific growth stage. Life […]
Life Cycle of Rice | Rice Cultivation | Agronomy
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Growth and Development of Rice | Rice Cultivation | Agronomy
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In this article we will discuss about the growth and development of rice. 1. Roots: Rice form a fibrous root system consisting of seminal, nodal and lateral roots. Seminal roots originate from embryo, whereas nodal roots emerge from stem. Both produce numerous lateral roots. On germination, the primary root emerges followed by two additional seminal […]
How to Calculate Partial Productive Efficiency of Nitrogen ? | Agronomy
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One of the central themes in plant nutrition is to find the particular growth stage when supply of a particular nutrient leads to highest yield per unit amount of the absorbed. Partial productive efficiency of nitrogen for grain production is defined as: Partial productive efficiency of nitrogen absorbed at period (n-1) to (n) = [Y(n) […]