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Author:
Publisher: Int. Rice Res. Inst.
ISBN: 9810579497
Category : Plant nutrients
Languages : en
Pages : 148
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Book Description
Author:
Publisher: Int. Rice Res. Inst.
ISBN: 9810579497
Category : Plant nutrients
Languages : en
Pages : 148
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Book Description
Author: Cees Sonneveld
Publisher: Springer Science & Business Media
ISBN: 9048125324
Category : Technology & Engineering
Languages : en
Pages : 432
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Book Description
Greenhouse cultivation is noted for its high uptake of minerals, consistent climatic conditions, exclusion of natural precipitation and control of salt accumulation. Acknowledging that plant nutrition in greenhouse cultivation differs in many essentials from field production, this volume details specific information about testing methods for soils and substrates in a greenhouse environment. It does so while offering a universally applicable analysis. This is based on the composition of the soil and substrate solutions, methods for the interpretation of tissue tests, and crop responses on salinity and water supply in relation to fertilizer application. Fertilizer additions, related to analytical data of soil and substrate samples, are presented for a wide range of vegetable and ornamental crops. The subject is especially apt now as substrate growing offers excellent possibilities for the optimal use of water and nutrients, as well as the potential for sustainable production methods for greenhouse crops.
Author: Marjorie Bogaert-Tullis
Publisher:
ISBN: 9781556720031
Category : Aged
Languages : en
Pages : 56
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Book Description
Author: Achim Dobermann
Publisher: Int. Rice Res. Inst.
ISBN: 9810427425
Category : Nutrition
Languages : en
Pages : 203
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Book Description
Rice ecosystems; Nutrient management; Mineral deficiencies; Mineral toxicities; Tools and information.
Author:
Publisher:
ISBN: 9780983498810
Category : Fertilizers
Languages : en
Pages :
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Book Description
Author: Ipni
Publisher:
ISBN: 9780983498858
Category :
Languages : en
Pages :
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Book Description
Author: United States. Forest Service
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 4
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Book Description
Author: J. W. Schwartz
Publisher:
ISBN:
Category : Acid soils
Languages : en
Pages : 4
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Book Description
Author: Roma Doshi
Publisher:
ISBN: 9781681170954
Category : Crops
Languages : en
Pages : 0
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Book Description
Soil fertility refers to the ability of a soil to supply plant nutrients. Bioavailable phosphorus is the element in soil that is most often lacking. Nitrogen and potassium are also needed in substantial amounts. For this reason these three elements are always identified on a commercial fertilizer analysis. For example a 10-10-15 fertilizer has 10 percent nitrogen. Inorganic fertilizers are generally less expensive and have higher concentrations of nutrients than organic fertilizers. Also, since nitrogen, phosphorus and potassium generally must be in the inorganic forms to be taken up by plants, inorganic fertilizers are generally immediately bioavailable to plants without modification. However, some have criticized the use of inorganic fertilizers, claiming that the water-soluble nitrogen doesn't provide for the long-term needs of the plant and creates water pollution.
Author: Shabtai Bittman
Publisher:
ISBN: 9780968501511
Category : Corn
Languages : en
Pages : 156
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Book Description
