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Rice Vocs

Rice Vocs
11
Jul

Mulch tillage

Crop residues are left on the surface, and subsurface tillage leaves them relatively undisturbed. In dryland areas, a maximum amount of mulch is left on the surface; in more humid regions, however, some of the mulch is buried. Planting is accomplished with disk openers that go through several inches of mulch. Since mulch decomposition may deprive the crop of Nitrogen, extra fertilizer is often placed below the mulch in humid areas.

11
Jul

Mulch

Organic material that is used to protect the soil. Any material, such as straw, sawdust, leaves, plastic film, loose soil, etc., that is spread upon the surface of the soil to protect it and plant roots from the effects of raindrops, soil crusting, freezing, evaporation, etc.

11
Jul

Muck soil

An organic soil in which the organic matter is well decomposed.

11
Jul

Muck

Highly decomposed organic material in which the original plant parts are not recognizable.

11
Jul

Mow

To cut the standing grass or grain or similar produce with a scythe, sickle, or machine. To cut close to the ground short standing grass with a lawn mower.

11
Jul

Mouldboard Plough

A major advance in plough design was the mouldboard plough, which aided the cutting blade. The coulter, knife or skeith cuts vertically into the ground just ahead of the share (or frog) a wedge-shaped surface to the front and bottom of the mouldboard with the landside of the frame supporting the below-ground components. The upper parts of the frame carries (from the front) the coupling for the motive power (horses), the coulter and the landside frame.

11
Jul

Mouldboard

The curved part of a plough which lifts the soil, turns it to the side.

11
Jul

Moth

An adult of the insect order Lepidoptera, suborder Heterocera.

11
Jul

Mosaic

The mottled patchy pattern on leaves caused by a virus. The arrangement of leaves on the upper stem to avoid shading.

11
Jul

Mortar and pestle

A device for grinding, consisting of a vessel (mortar) in which substances are ground with a club-shaped implement (pestle).

11
Jul

Mortality

The occurrence of death.

11
Jul

Morphology

A branch of biology that deals with the physical form and structure of plants and animals. A study of the forms, relations, metamorphoses, and phylogenetic development of organs apart from their functions.

11
Jul

Morphogenesis

The combined processes of cell division, differentiation, organ initiation, and organ development.

11
Jul

Monsoon

The cyclic surface winds blowing in tropical and subtropical latitudes for several months from the southwest, switching for several months from the northeast, and the rains that accompany them.

11
Jul

Monotonous swamps

Freshwater swamps inland of and overlapping with the tidal swamps.

11
Jul

Monosomic Alien Addition Line (MAAL)

An individual having one extra chromosome from the genome of another species.

11
Jul

Monosomic

A plant that lacks one of a pair of homologous chromosomes.

11
Jul

Monoploid (Haploid)

A plant or organism having only one set of chromosomes.

11
Jul

Monohybrid cross

A cross between two parents differing in one gene.

11
Jul

Monohybrid

Heterozygous for one pair of alleles.

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