Hydrology & Water Resources Engineering 4 min read
Forms and Types of Precipitation
Forms of Precipitation Precipitation occurs in many forms e.g. drizzle, rain, glaze, sleet, snow, hail, dew and frost, depending upon…
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Hydrology & Water Resources Engineering 6 min read
Introduction to Hydrology
Definition of Hydrology Hydro means water, and logy means study. Therefore, in a broad sense hydrology can be defined as…
Hydrology & Water Resources Engineering 16 min read
Fresh Water and its Management in India
India is likely to face a major challenge in the management of freshwater in view of rapidly rising population and…
Hydrology & Water Resources Engineering 11 min read
Water Resources Availability and Requirements of India
“Water is probably the only natural resource to touch all aspects of human civilization – from agricultural and industrial development…
General Concepts 2 min read
Precision planting
Precision planters provide accurate placement of single seeds at equal intervals within rows; the rows are usually spaced widely enough…
General Concepts 1 min read
Drilling
A drill seeder is illustrated in Figure 9.2. Typically, for each row, the seeds are metered from a hopper by…
General Concepts 1 min read
Broadcast seeding
A centrifugal broadcast seeder is shown in Figure 9.1. The seed is metered from a hopper through a variable orifice.…
General Concepts 2 min read
Crop Planting
The growth of a new crop begins with the planting of seed or transplanting of seedlings. After planting, seeds must…
General Concepts 2 min read
Mechanical properties of soils
Shear strength If a soil specimen is subjected to shear stress the shear stress-strain diagram may look like one of…
General Concepts 2 min read
Mechanics of Tillage Tools
Soil texture One aspect of the physical properties of soil, its texture, is described by the percent of particles in…
General Concepts 4 min read
Cultivators
There are basically three types of cultivators: field cultivators, row crop cultivators, and rotary cultivators. Field cultivators are often used…
General Concepts 1 min read
Spike-tooth, tine-tooth, and spring-tooth harrows
These tillage tools are used in the final seedbed preparation. They are also used for post-planting operations to breakup soil…
