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Author: Milton Whitney Publisher: Forgotten Books ISBN: 9781390462753 Category : Business & Economics Languages : en Pages : 82
Book Description
Excerpt from Fertilizers on Soils Used for Oats, Hay, and Miscellaneous Crops The following table gives a complete summary Of the results of the fertilizer tests on oat soils. The first column of figures indicates the number of experiments which have been reported, with each sub stance tried. The actual experiment was usually performed on one twentieth or one-tenth acre plats, but the results are uniformly stated in pounds per acre, both in case Of fertilizers applied and in crop returns, and this unit is retained throughout this bulletin. The second column Of figures shows the relative number of increases to no increase reported from the use Of the several fertilizers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Milton Whitney Publisher: Forgotten Books ISBN: 9781390462753 Category : Business & Economics Languages : en Pages : 82
Book Description
Excerpt from Fertilizers on Soils Used for Oats, Hay, and Miscellaneous Crops The following table gives a complete summary Of the results of the fertilizer tests on oat soils. The first column of figures indicates the number of experiments which have been reported, with each sub stance tried. The actual experiment was usually performed on one twentieth or one-tenth acre plats, but the results are uniformly stated in pounds per acre, both in case Of fertilizers applied and in crop returns, and this unit is retained throughout this bulletin. The second column Of figures shows the relative number of increases to no increase reported from the use Of the several fertilizers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Robert Harcourt Publisher: Forgotten Books ISBN: 9780364797402 Category : Languages : en Pages : 24
Book Description
Excerpt from Fertilizers and Their Use On our comparatively new lands, and in general farm practice where a judicious rotation of crops is followed. And where grain is fed on the farm and the manure properly cared for, it may not be necessary to use commercial fertilizers; but where the nature of the crops grown prevents rotation, and where very little farmyard manure is produced, they may be required. More and more each year it is found that the increased cost of production and the consequent need of producing maximum crops, and the growing demands of the larger towns and cities for garden and fruit products of high quality, are causing market gardeners and fruit growers to consider seriously the advisability of using some form of fertilizer. This has created a demand for information concerning these substances which it has not been easy to fill; for experience has shown that the farmer must posses a wide knowledge of plants, soils and the fertilizers themselves before he can properly use them. To intelligently and economically use fertilizers, it is essential that the farmer understand the needs of the cr0ps, their power to gather the essential plant food constituents from the soil, and the purpose of their growth, i.e., whether the object is to produce an immature plant for early market, or whether maturity is required. He must also know something about the available supply of plant food' tn the soil and the nature of the fertilizer being used. These fertilizers are expensive, and unless they are intelligently applied in conjunction with very thorough cultivation they will not give their best results. They cannot take the place of cultivation; for they are food materials, and can only aid the growth of the plant as they are absorbed by the roots, and these cannot develop fully in a poorly cultivated soil. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Robert Harcourt Publisher: Forgotten Books ISBN: 9781528210188 Category : Business & Economics Languages : en Pages : 40
Book Description
Excerpt from Fertilizers in Relation to Soils and Crop Production Most young plants start from a seed, which contains an embryo, or germ, that is extremely rich in albuminoids, fat, phosphates, and potash. The seed also contains a store of food, in the form of starch, fat, etc, intended to nourish the young plant until the roots and leaves are sufficiently developed to gather their own supplies, The future health and vigor of the plant will depend on: (1) the amount of food available to the tiny rootlets sent out by the young plant: (2) the temperature of the soil, (3) an abundance of sunshine, and (4) a sufficient supply of oxygen. The plant requires oxygen for respiration, and it gives of carbon dioxide as a result of the oxidation of its food, that is, it breathes; it gives off water from its leaves, or lungs, it assimilates food, and it even excretes waste material. In all this it is very similar to the animal. But it even goes further, and collects its food from the simple substances, such as carbon dioxide. Ant. Various soluble salts found in the soil, and from these builds up the complex sugars, starches, fat, and albuminoids which are essential for the life processes of the plant and which are the only foods of the animal. It is subject to im provement by selection and breeding, as is the animal, but, unlike the animal, it is entirely dependent upon the supply of food constituents within its reach, and it has no way of drawing attention to its wants, excepting as its appearance may make them known to the careful and trained observer. A clear conception of the fact that an infant plant, like the infant animal, requires warmth, air. Sunshine, and an abundance of easily absorbed food, will greatly aid in under. Standing the conditions under which it will make the best growth. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Nand Kumar Fageria Publisher: CRC Press ISBN: 142007511X Category : Science Languages : en Pages : 448
Book Description
Put Theory into Practice Scarcity of natural resources, higher costs, higher demand, and concerns about environmental pollution- under these circumstances, improving food supply worldwide with adequate quantity and quality is fundamental. Based on the author's more than forty years of experience, The Use of Nutrients in Crop Plants
Author: National Research Council Publisher: National Academies Press ISBN: 0309045789 Category : Technology & Engineering Languages : en Pages : 456
Book Description
Interest is growing in sustainable agriculture, which involves the use of productive and profitable farming practices that take advantage of natural biological processes to conserve resources, reduce inputs, protect the environment, and enhance public health. Continuing research is helping to demonstrate the ways that many factorsâ€"economics, biology, policy, and traditionâ€"interact in sustainable agriculture systems. This book contains the proceedings of a workshop on the findings of a broad range of research projects funded by the U.S. Department of Agriculture. The areas of study, such as integrated pest management, alternative cropping and tillage systems, and comparisons with more conventional approaches, are essential to developing and adopting profitable and sustainable farming systems.
Author: John Jeavons Publisher: Ten Speed Press ISBN: 0399579192 Category : Gardening Languages : en Pages : 264
Book Description
The world's leading resource on biointensive, sustainable, high-yield organic gardening is thoroughly updated throughout, with new sections on using 12 percent less water and increasing compost power. Long before it was a trend, How to Grow More Vegetables brought backyard ecosystems to life for the home gardener by demonstrating sustainable growing methods for spectacular organic produce on a small but intensive scale. How to Grow More Vegetables has become the go-to reference for food growers at every level, whether home gardeners dedicated to nurturing backyard edibles with minimal water in maximum harmony with nature's cycles, or a small-scale commercial producer interested in optimizing soil fertility and increasing plant productivity. In the ninth edition, author John Jeavons has revised and updated each chapter, including new sections on using less water and increasing compost power.
Author: D.A. Cooke Publisher: Springer Science & Business Media ISBN: 9400903731 Category : Technology & Engineering Languages : en Pages : 683
Book Description
D.A. Cooke and R.K. Scott Sugar beet is one of just two crops (the other being sugar cane) which constitute the only important sources of sucrose - a product with sweeten ing and preserving properties that make it a major component of, or additive to, a vast range of foods, beverages and pharmaceuticals. Sugar, as sucrose is almost invariably called, has been a valued compo nent of the human diet for thousands of years. For the great majority of that time the only source of pure sucrose was the sugar-cane plant, varieties of which are all species or hybrids within the genus Saccharum. The sugar-cane crop was, and is, restricted to tropical and subtropical regions, and until the eighteenth century the sugar produced from it was available in Europe only to the privileged few. However, the expansion of cane production, particularly in the Caribbean area, in the late seventeenth and the eighteenth centuries, and the new sugar-beet crop in Europe in the nineteenth century, meant that sugar became available to an increasing proportion of the world's population.
Author: Food and Agriculture Organization of the United Nations Publisher: Food & Agriculture Org. ISBN: 9251305056 Category : Technology & Engineering Languages : en Pages : 156
Book Description
This document presents key messages and the state-of-the-art of soil pollution, its implications on food safety and human health. It aims to set the basis for further discussion during the forthcoming Global Symposium on Soil Pollution (GSOP18), to be held at FAO HQ from May 2nd to 4th 2018. The publication has been reviewed by the Intergovernmental Technical Panel on Soil (ITPS) and contributing authors. It addresses scientific evidences on soil pollution and highlights the need to assess the extent of soil pollution globally in order to achieve food safety and sustainable development. This is linked to FAO’s strategic objectives, especially SO1, SO2, SO4 and SO5 because of the crucial role of soils to ensure effective nutrient cycling to produce nutritious and safe food, reduce atmospheric CO2 and N2O concentrations and thus mitigate climate change, develop sustainable soil management practices that enhance agricultural resilience to extreme climate events by reducing soil degradation processes. This document will be a reference material for those interested in learning more about sources and effects of soil pollution.
Author: Milton Whitney
Author: Milton Whitney
Author: Milton Whitney
Author: Robert Harcourt
Author: Robert Harcourt
Author: Nand Kumar Fageria
Author: National Research Council
Author: John Jeavons
Author: Ollie Ezekiel Reed
Author: D.A. Cooke
Author: Food and Agriculture Organization of the United Nations