Provided are methods for growing a plant under certain stressed conditions that alter the morphology of the plant. In certain aspects, however, although the plant is altered and may be undesirable for commercial purposed, the plant still produces an adequate number of seeds for breeding purposes. Further, because plants may be smaller in size, they can be grown at higher densities, allowing the production of large populations of plants to be brought under controlled conditions which can exclude pollinating insects and thus increase the genetic purity achievable in a breeding program.

Provided are methods for growing a plant under certain stressed conditions that alter the morphology of the plant. In certain aspects, however, although the plant is altered and may be undesirable for commercial purposed, the plant still produces an adequate number of seeds for breeding purposes. Further, because plants may be smaller in size, they can be grown at higher densities, allowing the production of large populations of plants to be brought under controlled conditions which can exclude pollinating insects and thus increase the genetic purity achievable in a breeding program.

A description is given of an internally hollow fitting for the passage of a liquid, in particular water, with a component to restrain unmovably a pipe of an irrigation system, wherein restraining component of the pipe is carried by a ring nut screwing on an external thread of the at least one end of the fitting.

In an embodiment, yield data representing yields of crops that have been harvested from an agricultural field and field characteristics data representing characteristics of the agricultural field is received and used to determine a plurality of management zone delineation options. Each option, of the plurality of management zone delineation options, comprises zone layout data for an option. The plurality of management zone delineation options is determined by: determining a plurality of count values for a management class count; generating, for each count value, a management delineation option by clustering the yield data from and the field characteristics data, assigning zones to clusters, and including the zones in a management zone delineation option. One or more options from the plurality of management zone delineation options are selected and used to determine one or more planting plans. A graphical representation of the options and the planting plans is displayed for a user.

In an embodiment, yield data representing yields of crops that have been harvested from an agricultural field and field characteristics data representing characteristics of the agricultural field is received and used to determine a plurality of management zone delineation options. Each option, of the plurality of management zone delineation options, comprises zone layout data for an option. The plurality of management zone delineation options is determined by: determining a plurality of count values for a management class count; generating, for each count value, a management delineation option by clustering the yield data from and the field characteristics data, assigning zones to clusters, and including the zones in a management zone delineation option. One or more options from the plurality of management zone delineation options are selected and used to determine one or more planting plans. A graphical representation of the options and the planting plans is displayed for a user.

A turf management system includes an irrigation system for providing water to the turf at a turf site, and an irrigation evaluation system for evaluating the performance of the irrigation system. The irrigation evaluation system segments the turf site into irrigation management units, where each of the irrigation management units includes at least one sprinkler head. Qualities of the turf are measured to generate collected data points. The data points are used by the irrigation evaluation system to compute a value for the turf in each of the irrigation management units. The values can then be used to identify irrigation management units having common characteristics. The values can be used to define irrigation management zones for controlling the irrigation system.

A turf management system includes an irrigation system for providing water to the turf at a turf site, and an irrigation evaluation system for evaluating the performance of the irrigation system. The irrigation evaluation system segments the turf site into irrigation management units, where each of the irrigation management units includes at least one sprinkler head. Qualities of the turf are measured to generate collected data points. The data points are used by the irrigation evaluation system to compute a value for the turf in each of the irrigation management units. The values can then be used to identify irrigation management units having common characteristics. The values can be used to define irrigation management zones for controlling the irrigation system.

The present disclosure is directed to an apparatus for facilitating the delivery of one or more chemical compounds to a stream of a fluid

Adjustment and remote control system with a pressure regulator for irrigation systems to regulate the water pressure at the outlet, and consequently its flow, being crucial to assure the uniformity and the quantity of water as applied. In the adjustment and remote control system for pressure in irrigation systems, the electronic control board is informed of the target pressure at the outlet of the pressure regulator as disclosed in this document; it reads the current pressure of the adjustment and control system by means of the electronic pressure sensor and, if the pressure is lower than the target, a solenoid valve for pressure increase is activated, using the pressure generated by a pressure generator in any given fluid, and, if the pressure is higher, that pressure is reduced.

A system for mounting an adapter on a main flexible pipe for connecting a branch pipe is described, including a fitting having an externally threaded shank and a widened base which can be inserted in a hole of the pipe and can be fixed by a first ring nut screwed on the threaded shank, wherein the system includes a tool for inserting the fitting in the hole and for tightening the first ring nut, and wherein on the adapter a second ring nut is provided for fixing the adapter to the fitting.