Sustainability of organic fertilization of macadamia with macadamia husk‐manure compost

Bittenbender, H.C.; Hue, N. V.; Fleming, Kent; Brown, Hilary

doi:10.1080/00103629809369954

Cited by 22 publications

(13 citation statements)

References 8 publications

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“…Irrigation actually resulted in reduction of first grade kernels by 2.8% in the work of Trochoulias and Johns (1992), apparently due to luxury levels of water consumption. Under drier conditions in Hawaii, however, quality was higher with irrigation (Bittenbender et al 1998).…”

Section: Qualitymentioning

confidence: 99%

Macadamia responses to mild water stress at different phenological stages

Stephenson¹,

Gallagher²,

Doogan³

2003

Aust. J. Agric. Res.

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Abstract. Mild water stress was imposed on bearing macadamia trees in through-draining lysimeters at various phenological stages. Water was withheld until a xylem water potential (Ψ x ) of -1.5 to 2.0 MPa was reached, this being maintained by partial water replenishment at 2-day intervals. Flowering, nut set, nut development, yield, and quality responses were assessed to identify critical, stress-sensitive stages. Stress during nut maturation was particularly detrimental to both yield and quality, although stress during floral development and the premature nut drop also had adverse effects. Low yields were due to reduced nut number and smaller nuts. Lower photosynthesis (c. 2 µmol CO 2 /m 2 .s) at -1.5 MPa would account for reduced yield and poorer quality during nut maturation when energy demands of active oil accumulation are high. Stress at floral initiation was generally not detrimental.Overall, stress restricted growth. The rate of girth growth was significantly lower when stress was applied during the dormant floral initiation stage. When stress coincided with normal periods of vegetative growth, flushing was delayed until after re-watering when greater foliage production was stimulated. Judiciously imposing mild stress may be used to manipulate macadamia phenology, although it may not necessarily conserve water. Further refinement would be needed to develop stress manipulation as a practical and reliable management tool to achieve higher yields.Water should be applied to alleviate stress during critical stages of nut development and maturation. Mild stress after the current crop is mature, however, is unlikely to be detrimental to macadamia yield or quality. It may, in fact, be beneficial through manipulation of flushing patterns that influence yield.A R 0 2 1 0 8 M a c a d a m i a r e s p o n s e s t o mi l d w a t e r s t r e s s . R . A . S t e p h e n s o n e t a l .

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Section: Qualitymentioning

confidence: 99%

Macadamia responses to mild water stress at different phenological stages

Stephenson¹,

Gallagher²,

Doogan³

2003

Aust. J. Agric. Res.

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“…Similarly, superior chlorophyll content recorded in compost augmented pots suggests abundance of chlorophyll synthesis by the leaves and other tissues resulting from adequate nutrient supply and other precursors of chlorophyll. Bittenbender et al (1998) and Naikwade (2014) in separates reports concluded that compost application to nutrient limiting soil improved quality and quantity of both biomass and proximate constituents of maize.…”

Section: Discussionmentioning

confidence: 99%

Growth and proximate composition of Amaranthus cruentus L. on poor soil amended with compost and arbuscular mycorrhiza fungi

Dada

Imade

Anifowose

2017

Int J Recycl Org Waste Agricult

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Purpose The study was carried out to examine growth, shoot yield, dry matter and proximate composition of Amaranthus cruentus on poor soil augmented with compost or AMF either singly or in combination. Methods The experiment was arranged in completely randomized designed in six replicates with four treatments. Four treatments: comprised control and three other amendment types derived from the application of compost made from cattle dung and maize stover, arbuscular mycorrhiza fungi singly or in combination with compost. The treatments were applied a week before sowing to allow for proper mineralization. Growth characteristics, chlorophyll content, ascorbic acid content and proximate composition were assessed. Results The results revealed that the compost supplied sufficient plant nutrients needed for improving biological and economic yields of Amaranthus cruentus . Application of compost significantly (P B 0.05) influenced growth, dry matter and fresh shoot yield of A. cruentus. Applying of combination AMF and compost to nutrient limiting soil had no significant (P C 0.05) effect on yield and yield components of A. cruentus. Proximate composition of A. cruentus was significantly enhanced in pots augmented with compost better than pots amended with the combination of AMF and compost. Conclusions Application of compost to nutrient deficient soil promoted growth, fresh shoot and dry matter yield of A. cruentus. Similarly, proximate composition of the crop was appreciably influenced by compost application.

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“…Organic matter amendments offer multiple benefits by providing a source of essential nutrients and a partial substitute for chemical fertilizer (Bittenbender et al, 1998;Mordoğan et al, 2013;Preusch and Tworkoski, 2003;Roosta and Mohammadi, 2013) while maintaining or improving yields (Amiri and Fallahi, 2009;Baldi et al, 2010;Forge et al, 2013;Sanchez et al, 2003) and improving soil health (Briones et al, 2011;Mathews et al, 2002;van Overbeek et al, 2010). Soils commonly used for orchard production can be at greater risk for carbon loss (Angers et al, 2011).…”

Section: Grower Analysis Of Organic Matter Amendments In California Omentioning

confidence: 99%

“…Soils commonly used for orchard production can be at greater risk for carbon loss (Angers et al, 2011). In orchard crops, an increase in soil carbon has been observed when applying OMA (Bittenbender et al, 1998;Canali et al, 2004;Neilsen et al, 2014) as well as increased infiltration and water holding capacity by reducing soil bulk density and compaction (Cayuela et al, 2004;Mujdeci, 2011;Peck et al, 2011;Walsh et al, 1996). These materials can also control weeds and nematodes and suppress disease during replant (Braun et al, 2010;Brown and Tworkoski, 2004;Sanchez et al, 2003;Stirling et al, 1995).…”

Section: Grower Analysis Of Organic Matter Amendments In California Omentioning

confidence: 99%

“…Composting is the most effective treatment to eliminate pathogens; however, the process increases cost and alters biological and chemical properties of the material (Adler and Sikora, 2003;Albiach et al, 2000;Miller et al, 2013). Cost and logistics associated with OMA transport and application also create a barrier to adoption (Bittenbender et al, 1998). Nutrient availability is an additional concern because supply of nutrients from OMA can be variable and the application of OMA can render other applied nutrients unavailable (Chalk et al, 2013;Fortuna et al, 2003;Sørensen, 2004).…”

Section: Grower Analysis Of Organic Matter Amendments In California Omentioning

confidence: 99%

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Grower Analysis of Organic Matter Amendments in California Orchards

Khalsa

Brown

2017

J of Env Quality

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Organic matter amendments supply crop nutrients and enhance soil health, yet information specific to orchards is lacking. A survey was conducted to analyze use of these materials by California almond [ (Mill.) D.A. Webb] growers. Significant differences were observed for benefits, concerns, and accessibility to manure and green waste sources and between users and nonusers. Use patterns were significantly influenced by heavy and light users, farm size, and geographic region. Enhanced soil biology was the main benefit attributed to organic matter amendments by both users and nonusers. Nonusers showed greater concern for food safety compared to users, and all growers reported greater concern for food safety from manure. The greatest adoption of organic matter amendments occurred on small farms (≤170 ha) located in the north San Joaquin Valley in California. Greater accessibility to manure correlated with presence of dairy farms. Poorer accessibility ratings by nonusers suggest access is a barrier to adoption, as opposed to nonusers having an undesirable view of the practice. Common management included applying organic matter amendments during tree dormancy from manure sources in composted forms with no-till. Heavy users on small farms exhibited the greatest year-to-year consistency and were more flexible with selection of sources and diverse in application methods. Large farms (>170 ha) were less likely to use organic matter amendments every year and less likely to apply them on all their farm area. This study identifies a number of strategies to fill knowledge gaps, increase practice awareness, and overcome barriers to adoption.

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Sustainability of organic fertilization of macadamia with macadamia husk‐manure compost

Cited by 22 publications

References 8 publications

Macadamia responses to mild water stress at different phenological stages

Macadamia responses to mild water stress at different phenological stages

Growth and proximate composition of Amaranthus cruentus L. on poor soil amended with compost and arbuscular mycorrhiza fungi

Grower Analysis of Organic Matter Amendments in California Orchards

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