Factors affecting plant population pdf

Disagreement on the optimum plant population is common. Maize population for maximum economic grain yield varies between 30,000 to over 90,000 plants per hectare. In this study, we established 108 plots covering the entire hainan island. Living environmental factors that bring about premature death of plants and animals. Factors affecting the distribution pattern of wild plants. Field population density effects on field yield and. Factors significantly affecting maize field yield are population density of plants, as well as row spacing 8. Understanding plant density effects on maize growth scielo. Factors affecting plant populations the student room.

Other areas need ing ecological studies include hostparasite relations, mixed populations of plant parasites, the influence of other microorganisms in the rhizosphere, the influence of plant microclimate on aerial plant parasites, the influence of soil factors on population levels of plant parasites, and the application of nematodehatching. Clay soils with their smaller particles hold more water than sandy ones. T1 40000 plants ha1, t 2 60000 plant ha 1, t 3 8 0000 plants ha 1, t 4 00 plants ha 1, t 5 120,000. Understanding which factors affect the distribution pattern of extremely small populations is essential to the protection and propagation of rare and endangered plant species. Plant location decisions and factors affecting plant. Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition.

Factors affecting the distribution pattern of wild plants with. Pdf environmental factors that affecting plant growth. Plant density in rapeseed governs the components of yield, and thus the yield of individual. For example, populations of 10,000 through 25,000 plants per acre did not differ in yield at becker because lack of moisture limited yields to 1,000 pounds per acre. A plant is a place where the cost of the product is kept to low in order to maximize gains. Plant population is the most basic level of plant ecology, connecting plant individuals with communities and ecosystems. In it, disease results from the timing and duration that populations of the system experience the environment regardless of whether disease is associated with extreme environment, or interactions with other populations. Plant density effects on growth, yield and yield components of two.

Factors other than population may limit yield and lead to an erroneous conclusion that population is not important. Plant density is an important agronomic factor that manipulates micro environment of the field and affects growth, development and yield. What is the optimum population or spacing for a specific vegetable crop. Minerals different species require different minerals and so the distribution and size of any population is dependent on the blend of available minerals. Pdf it is generally believed that grain yield per unit area of modern maize hybrids is related to their adaptability to high plant population density find, read. Plant location refers to the choice of the region where men, materials, money, machinery and equipment are brought together for setting up a business or factory. Ecological factors that affect the growth of plants with. Population dynamics general considerations notes i. The distributio n of a population is affected by abiotic factors such as soil nutrient level, soil moisture availability, intensity of solar radiation, or the incidence of wildfire. Texture this is determined by the proportion of sand, silt and clay particles. To have optimum plant population in unit area certain rules should be followed. The effect of plant population densities on growth, yield and yield.