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Monday, July 27, 2020 | History

3 edition of Fertilizing for maximum yields of irrigated alfalfa found in the catalog.

Fertilizing for maximum yields of irrigated alfalfa

A. I. Dow

Fertilizing for maximum yields of irrigated alfalfa

by A. I. Dow

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  • 35 Currently reading

Published by Cooperative Extension Service, College of Agriculture, Washington State University in Pullman .
Written in English


Edition Notes

Statement[A.I. Dow].
SeriesExtension mimeo -- 3422., Extension mimeo (Washington State University. Cooperative Extension) -- 3422.
The Physical Object
Pagination7 p.
ID Numbers
Open LibraryOL17611612M
OCLC/WorldCa41822684

But it does ensure you grow higher alfalfa yields of better quality, every season, in a range of challenging environments, using minimal resources. Plus, since alfalfa is such a thirsty, sensitive crop you’ll want to avoid wasting water and nutrients through methods like flood or pivot irrigation. Median alfalfa dry hay yields were about tons per acre for farms that did not irrigate alfalfa in , tons per acre for “partial irrigation” (where all alfalfa was partially irrigated or where some fields were irrigated and others on the farm were not) and tons per acre for farms where all alfalfa fields were irrigated.

  There are several publications that provide additional strategies to alfalfa irrigation, including these three: Soil-Moisture Monitoring: A Simple Method to Improve Alfalfa and Pasture Irrigation Management by the University of California, Davis. Key Irrigation Management Practices for Alfalfa from the University of California, Davis. Alfalfa is well-adapted to many of Utah’s climate and soil conditions. With proper variety selection and favorable irrigation, fertility, pest, and harvest management, Utah farmers have reported yields of 8 and even 10 tons/acre. Management is the key to successful alfalfa production. Supplying the correct amount of nutrients is one important.

The impact of fertilizers containing macro- and micro-nutrients on seed production of alfalfa under irrigation in Saskatchewan was assessed. Trials were conducted on a Sutherland clay loam at Saskatoon, SK, from to , and in a commercial field on Asquith sandy loam near Outlook, SK, from to The effect of soil water on quality and yield of various forage crops has been the subject of a considerable amount of research in the past. The optimum irrigation schedule for a given crop depends on many factors, including rooting habits of the plant, water-holding capacity of the soil, peak water use during the growing season, and climatic.


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Fertilizing for maximum yields of irrigated alfalfa by A. I. Dow Download PDF EPUB FB2

Of sulfur per acre are suggested for irrigated alfalfa. The use of pounds of sulfur per acre once every three years should provide adequate amounts of this nutrient for dry-land alfalfa.

Research has shown that fertilizers containing elemental sulfur are as effective for alfalfa production as those containing Size: KB. Irrigation and long growing seasons increase the yield potential.

In the growing season, researchers at the University of Arizona, Yuma Valley Agricultural Center produced the current world-record alfalfa yield with tons/acre.

Before you get too excited about growing 20 T/ac of alfalfa, you should know thatFile Size: 2MB. Maximum evapotranspiration Maximum yield. Alfalfa - San Joaquin Valley. 30 35 40 0 2 4 6 8 10 12 Crop evapotranspiration (inches) Alfalfa yield (tons per acre) FIguRE Effect of seasonal evapotranspiration on alfalfa yield for the San Joaquin Valley of California (Grimes et al.

that is evaporated into the atmosphere as a result of producing a Size: 2MB. Alfalfa’s response to phosphorus fertilizer the first year increased as applied phosphorus increased, with maximum yield of seven tons per acre at the pounds per acre of P 2 O 5 rate (Table ).

Progress 07/01/02 to 06/30/03 Outputs Phosphorus fertilizer management is an important consideration in Western U.S. alfalfa production. The objective of this project was to compare the effects of phosphorus fertilizer sources, rates and placements on irrigated alfalfa yield and tissue phosphorus concentrations.

Fertilizing established alfalfa Nitrogen Nitrogen fertilizer can provide a small increase in the yield of alfalfa stands when N-fixation is inadequate. However, no research has been done to determine if applying N fertilizer on alfalfa is economical.

It is not clear how. Irrigated alfalfa will produce 5 to 6 tons of dry matter per acre if it receives sufficient amounts of water and nutrients. Climate, soil type and management will all affect the yield a producer can expect from an alfalfa crop.

Alfalfa has a high demand for nutrients compared to other crops. If the soil is too soft, seed-depth control becomes difficult and some seed will be planted too deep. Seeding rate helps ensure yield potential. There is a relatively wide range of recommended alfalfa seeding rates, from as low as 8 to 10 pounds per acre to as high as 18 to 20 pounds per acre.

However, the irrigation requirement for alfalfa is governed by rainfall and the water holding capacity of the soils growing the crop.

Commonly cited ranges in water requirements for alfalfa are 18 to 36 inches of water per season. Alfalfa is popular because of its hardiness, productivity and high nutritional value. The. objective of this publication is to improve yields of irrigated alfalfa in Saskatchewan for increased economic returns to the producer.

This publication outlines proven production practices and recommendations suited for irrigated alfalfa forage production. Fertilizer requirements vary with production level and are 55 to 65 kg/ha P and 75 to kg/ha K. (Fertilizer requirements (kg nutrient/ha) of high-producing varieties under irrigation; accurate amounts are to be obtained from local research results or to be determined by experiments, soil testing and plant analysis and evaluation of economic.

fertilizer recommendations are based on calibrated relationships between soil test concentrations in the top foot of soil and yield response (Table 2).

Soil test K should generally be in the range of to ppm for optimum alfalfa yield. Potassium fertilizer should also. Improvements of yields were impressive with both and Yields Improve In Irrigated Alfalfa Using NPK Fluids The Fluid Journal • Official Journal of the Fluid Fertilizer Foundation • Winter • Vol.

23, No. 1, Issue #87 Drs. Terry A. Tindall and Galen Mooso Alfalfa continues to be the world class leader for feed value for. Agronomists know that each ton of alfalfa that is harvested removes 15 to 20 pounds of phosphorous and 50 to 60 pounds of potassium.

An average yield of alfalfa can easily remove 60 pounds of phosphorous and pounds of potassium. At these removal rates soil fertility levels can rapidly be reduced to levels that will not support high yields. In: Summers, C.G., Putnam, D.H.

(Eds.) Irrigated Alfalfa Management in Mediterranean and Desert Zones. Chapter 6. University of California Agriculture and Natural Resources, Publication Mikkelsen, R., Managing phosphorus for maximum alfalfa yield and quality. Proceedings of the 34th California Alfalfa Symposium and National.

Chapter 6—Fertilizing Alfalfa for Maximum Production and Quality. Roland D. Meyers, Daniel H. Putnam, Steve B. Orloff and Jerry I. Schmierer “Providing an adequate supply of nutrients is important for alfalfa production and is essential to. maintain high and profitable yields.

The process includes an analysis of which nutrients are needed. Effect of autotoxicity on alfalfa stands when alfalfa is seeded (a) immediately following alfalfa plowdown, (b) 4 weeks later, and (c) after 1 year. b c a 0 weeks 2 weeks 4 weeks fall-killed after corn number of plants/ft 2 0 10 20 30 40 50 0 weeks 2 weeks 4 weeks fall-killed after corn yield (% of check variety) 0 20 40 60 80 plowed no-till.

A fairly common annual yield is 5 tons/A, with 4 cuttings. In the Humid East at one time a 10 ton annual yield was major headlines. Now it is interesting but not all that news worthy. We hear of 18 ton & 10 cuttings as news worthy but probably not big newsin the Irrigated Desert Southwest.

In theory a stand of alfalfa will persist for 30 cuttings. yields than other pastures and can be made into first-class fodder (especially as hay and chaff). Hay yields from well managed irrigated stands are in the range of 10–22 t/ha, with best yields in the order of 25–27 t/ha under exceptional management and growing conditions.

Export of lucerne products (hay, cubes and meal). Fertilizer management of established alfalfa Applying N fertilizer to healthy alfalfa stands is not necessary and not recommended.

However, as mentioned, alfalfa yield tends to decline as the stand gets older. Application of N fertilizer may provide short-term benefit on older stands, but the termination of the stand should be considered. How to irrigate Alfalfa.

Although alfalfa is a drought tolerant plant, it needs certain levels of soil moisture in order to give sustainably high yields for 4 years. As a rule of thumb, soil moisture should never be under 50%.As shown in figure 5, on the average over the last 20 years, yields in the UW alfalfa variety trials have been highest in the first and second production years and then began to decline.

This yield decline has averaged 15% in the third production year and almost 30% in the fourth production year.Fertilizer Proper soil fertility increases alfalfa yield, feed quality and stand life. Fertilizer required at seeding time can either be banded with a grain drill, broadcast, or a combination of the two.

Broadcast fertilizer should be applied before the last tillage and incorporated lightly into the upper 2 -4 inches of soil.

Fertilizer banded.