- 行业: Agriculture
- Number of terms: 29629
- Number of blossaries: 0
- Company Profile:
Water contained in the soil, expressed as a percentage of weight of water per unit weight of dry soil or the percentage of volume of water per unit volume of bulk soil.
Industry:Agriculture
A subspecialization of soil science concerned with soil-inhabiting microorganisms and their relation to agriculture, including both plant and animal growth.
Industry:Agriculture
The ability of the soil to supply nutrient elements in the amounts, forms, and proportions needed for maximum plant growth.
Industry:Agriculture
The unconsolidated mineral matter on the surface of the earth that serves as a natural medium for growth of land plants. This has been subjected to and influenced by genetic environmental factors of parent material, climate (including moisture and temperature), macro- and microorganisms, and topography, all acting over a period of time and producing a product--soil--that differs from the material from which it is derived in many physical, chemical, biological, and morphological properties.
Industry:Agriculture
An herbicide that kills or stunts some plant species but causes little or no injury to others.
Industry:Agriculture
1). The properties of the seed such as cleanliness, germination percentage, moisture content, shape, purity, and desirable characters for research. 2). The export qualities of the seed, the size, shape, moisture content, protein content, color, chalkiness, and other properties as desired by the millers or traders.
Industry:Agriculture
The seed being free of contamination from other genotypes, dirt, or foreign matter.
Industry:Agriculture
The fertilized and ripened ovule of a seed plant, comprising a miniature plant usually accompanied by a supply of food (endosperm) enclosed in a protective seed coat, often accompanied by auxiliary structures, and capable, under suitable conditions, of independent development into a plant similar to the one that produced it. In rice, the grain is the common form of seed; the caryopsis is the true seed.
Industry:Agriculture
An infection resulting from inoculum arising from a primary infection.
Industry:Agriculture
A finite series of observations taken from a population; a portion of a population. Individuals taken from a population to represent it.
Industry:Agriculture
