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Gardening books encompass a variety of subjects from garden design, vegetable gardens, perennial gardens, to shade gardens. Every plant genus or category of plants may also be covered including roses, clematis, bulbs, hellebores, and hydrangeas. The Internet has expanded and enhanced the availability of gardening resources.
Since the establishment of the Office of Seed and Plant Introduction there has been an office within the USDA with this responsibility, though its name changes periodically. [2] Today, the branch of the USDA responsible for collecting and introducing new plant species is called the National Germplasm Resources Laboratory. [2] [7]
The International Plant Protection Convention (IPPC), established 1951, is an international plant health agreement that aims to protect cultivated and wild plants by preventing the introduction and spread of pests. This is done through International Standards for Phytosanitary Measures (ISPM).
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Soil moisture is intermediate between Udic and Aridic regimes; generally, plant-available moisture during the growing season, but severe periods of drought may occur; common in semi-arid regions. Aridic: Soil is dry for at least half of the growing season and moist for less than 90 consecutive days; common in arid (desert-like) regions. Xeric
Companion planting of carrots and onions. The onion smell puts off carrot root fly, while the smell of carrots puts off onion fly. [1]Companion planting in gardening and agriculture is the planting of different crops in proximity for any of a number of different reasons, including weed suppression, pest control, pollination, providing habitat for beneficial insects, maximizing use of space ...
Cyperus eragrostis is an herbaceous perennial growing from rhizomes. It is a green sedge with tall, erect stems, 10–90 centimetres (3.9–35.4 in) in height. Long, thin, pointed leaves radiate from the top, similar to parasol ribs. Its flowers are found within tough, rounded, greenish-yellow or beige spikelets. Fruiting is in the summer. [5]
The plant has many ethnobotanical uses. The roots and leaves were used medicinally, and the berries were occasionally used for food. [3] Native Americans used the plant to treat wounds and eyestrain. [4] Being tolerant of deep shade, drought, and extensive watering, the plant is becoming more popular as a shade groundcover in gardening. Care ...